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ORO2U Dirt Catalogue - Section E - Engine and Performance.
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Section E
Index
Crankshaft Repair & Rebuilding
E1 E1 E1 E1
Cylinder Re-Boring
Cylinder Re-Nikasil Plated Bores
Stator Rewinds
Piston Kits
E2-57
- Athena Piston Kits - Namura Piston Kits - Prox Piston Kits - Vertex Piston Kits - Wiseco Piston Kits - Wossner Piston Kits Piston Pin Size Chart
E37
E38-43
E2-8
E44-57
E9-22
E23-36
E58
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
Service
Cylinder Re-Boring • We offer a Reboring service (Not in house). • 10-14 day turn around. • Collection and delivery service available. Cylinder Re-Boring 71-100
Cylinder Re-Nikasil Plated Bores • Nickasil is the process as done by the manufacturers on all barrels. • Very hard finish and long lasting. • Beware of cheap alternatives i.e. Chroming, as not suitable for high performance engines. • Even if your bore is damaged, repair welding can be done before nicklesealing, and
barrel will look like new. • 10-21 day turn around. • Collection and delivery service available. • Any nickle bore barrel can be done. Cylinder Nikasil Re-Plating Cylinder Repair & Re-Plating
71-101 71-101R
Crankshaft Repair & Rebuilding • If you’re prepping your bike for the new season or rebuilding mid-season, you’ll find our services for crank re-builds are unrivaled. • 5-7 day turn around. • Collection and delivery service available. Crankshaft Repair & Rebuilding 71-103
Stator Rewinds • If you have an ignition problem we can solve it without you having to change the whole magneto which could cost you the earth. A stator coil rewind is a top clas solution. • Send it to us and we will have it back to you normally within 4 days or less. Stator Rewinds 71-133
Pj1 Engine Assembly Lube A special extreme pressure lubricant that eliminates all critical wear to engine and transmission components during initial start up of newly rebuilt engines. Assembly lube uses a ozone safe propellant. Engine Assy Lube 01-736
*Please visit our website for current prices
E-mail: [email protected]
www.oro2u.com
E1
Piston Kits
ProX
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low- friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install! ProX Piston Kits
Beta 2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips 56-0166.PX 56-0174.PX 56-0181.PX 56-0181.PX 56-0181.PX
Small End Bearing
RR 50 Enduro RR 125 Enduro RR 250 Enduro
2005 - 16 40.3mm 56-W9850.130.PX 2018 - 21 54mm 56-W035.A.PX
–
56-7941.PROX
56-6306.PROX 56-800.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX
56-R1223.PX 56-R1200.PX 56-R1200.PX 56-R1201.PX
56-783.PX 56-7924.PR 56-7924.PR
2013 - 19 66.4mm 2018 - 19 66.4mm
56-W214.A.PROX 56-W214.A.PROX
Xtrainer 250
RR 300 Enduro RR 300 Enduro
2013 - 17 72mm 56-W9817.A.PX 2018 - 21 72mm 56-W6723.A.PX 2015 - 17 72mm 56-W9817.A.PX 2018 - 21 72mm 56-W6723.A.PX
– – – –
–
–
–
Xtrainer 300 Xtrainer 300
56-R1201.PX
56-0181.PX
56-8020.PROX
–
–
–
4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips 56-0189.PX 56-0181.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX
Small End Bearing
RR 250 Enduro (+2mm Oversize) RR 350 Enduro (Std. Comp. 12.9:1) RR 400 Enduro (Std. Comp. 12.4:1)
2005 - 07 77mm 56-W029_200.PX 2011 - 14 88mm 56-W9818.A.PX 2010 - 14 95mm 56-W9819.A.PX 2005 - 09 89mm 56-W178.A.PX
–
–
– – – – – – – – – –
56-R1202.PX 56-R1203.PX 56-R1204.PX 56-R1204.PX 56-R1203.PX 56-R1205.PX 56-R1205.PX 56-R1206.PX 56-R1206.PX
56-0725.PR 56-7970.PR 56-7967.PR 56-7967.PR 56-7970.PR 56-7970.PR 56-7970.PR
RR 450 Enduro (Std. Comp.) RR 450 Enduro (High Comp.)
2005 - 09 89mm
56-W178.B.PX.HI
RR 450 Enduro (Std. Comp. 12.0:1) RR 498 Enduro (Std. Comp. 12.0:1) RR 520 Enduro (Std. Comp. 12.0:1)
2010 - 14 95mm 56-W9820.A.PX 2012 - 14 100mm 56-W9821.A.PX 2010 - 11 100mm 56-W9821.A.PX 2005 - 09 95mm 56-W4731.A.PX
RR 525 Enduro (Std. Comp.) RR 525 Enduro (High Comp.)
56-7958 56-7958
2005 - 09 95mm
56-W216+00B.PX
GASGAS 2-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1246.PX 56-R1248.PX 56-R1227.PX 56-R1207.PX 56-R1200.PX 56-R1201.PX 56-R1201.PX 56-R1201.PX Piston Rings 56-R1208.PX 56-R1225.PX 56-R1278.PX 56-R1278.PX 56-R1202.PX 56-R1202.PX 56-R1209.PX 56-R1209.PX 56-R1203.PX 56-R1203.PX
Piston Pin
Piston Clips 56-0166.PX 56-0166.PX 56-0170.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX Piston Clips 56-0175.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0181.PX 56-0181.PX 56-0182.PX 56-0182.PX 56-0185.PX 56-0185.PX
Small End Bearing
2021 2021 2021
MC 50 MC 65 MC 85
39.5mm 56-W802.A.PX 45mm 56-W313.A.PX 47mm 56-W012.A.PX
56-7941.PROX
56-6513.PROX 56-6307.PROX 56-821.PROX 56-802.PROX 56-8020.PROX 56-802.PROX 56-8020.PROX 56-8020.PROX
MC/EC/XC 250
1997 - 19 66.4mm
56-W157.A.PROX 56-W214.A.PROX
56-781.PR
2021
EC 250
66.4mm
56-7924.PROX
EC/XC 300
2000 - 19 72mm 56-W159.A.PX
56-781.PR
2021 2021
EC 300 EX 300
72mm 56-W9984.A.PX 72mm 56-W9984.A.PX
56-6950.PROX
4-Stroke Models
Years
Size
Piston Kit
Piston Pin 56-0718.PR
Small End Bearing
EC 250F (Std. Comp. 12.5:1) EC 250F (Std. Comp. 13.8:1) EX 250F (Std. Comp. 14.4:1) MC 250F (Std. Comp. 14.4:1) EC 350F (Std. Comp. 13.5:1) EX 350F (Std. Comp. 14.2:1) EC 450F (Std. Comp. 12.5:1)
2010 - 15 77mm 56-W188.A.PX
– – – – – – – – – –
2021 2021 2021 2021 2021
78mm 56-W954.A.PX 78mm 56-W265.A.PX 78mm 56-W265.A.PX 88mm 56-W4735_00A.PX 88mm 56-W4735_00A.PX
56-6500.PROX 56-6500.PROX 56-6500.PROX 56-0725.PROX 56-0725.PROX
2013 - 15 95mm 56-W222.A.PX 2013 - 15 95mm 56-W223.B.PX
56-0726.PR 56-0726.PR
(High Comp. 13.0:1)
2021 2021
EX 450F (Std. Comp. 12.75:1) MC 450F (Std. Comp. 12.75:1)
95mm 56-W956.A.PX 95mm 56-W956.A.PX
56-7959.PROX 56-7959.PROX
*Please visit our website for current prices E2
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
ProX
Piston Kits
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install! ProX Piston Kits
honda 2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
QR 50
All
40.75mm 56-W9925.075.PX
–
–
–
–
CR 80 (79cc) CR 80 (82cc)
1986 - 02 46mm 56-W041.PX 1986 - 02 47mm 56-W643.B.PX 2003 - 07 47.5mm 56-W833.B.PX
56-R1210.PX 56-R1211.PX 56-R1212.PX
56-7930.PR 56-7930.PR 56-7930.PR 56-722.PR 56-722.PR 56-722.PR 56-722.PR
56-0170.PX 56-0170.PX 56-0170.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0176.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX
56-821.PROX 56-821.PROX
CR 85 CR 125 CR 125 CR 125 CR 125 MTX 125 CR 250 CR 250 CR 250 CR 250 CR 480 CR 500
–
1988 - 91 54mm
56-W564+P0.PX
–
56-8142.PROX 56-8142.PROX 56-8142.PROX 56-8142.PROX
1992 - 03 54mm 56-W676.A.PX
56-R1239.PX 56-R1240.PX 56-R1213.00
2004
54mm
56-W840+00A.PX
2005 - 07 54mm 56-W859.A.PX 1988 - 90 56mm 56-W905.B.PX 1986 - 96 66.4mm 56-W614.A.PX 1997 - 01 66.4mm 56-W702.A.PX
–
–
–
56-R1215.00 56-R1215.00 56-R1215.00 56-R1216.00 56-R1222.PX 56-R1222.PX
56-7924.PR 56-7924.PR 56-7924.PR 56-7924.PR
56-6373.PROX 56-6373.PROX 56-6373.PROX 56-6373.PROX
2002 - 04 66.4mm 2005 - 07 66.4mm
56-W801+00A.PX 56-W860+00A.PX
1982 - 83 89mm 56-W636.000.PX 1982 - 01 89mm 56-W636.000.PX
–
–
–
56-0738.PR
56-0187.PX
56-7999.PROX
4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin 56-0706.PR 56-0706.PR
Piston Clips 56-0169.PX 56-0169.PX 56-0174.PX 56-0174.PX 56-0170.PX 56-0170.PX 56-0170.PX
Small End Bearing
CRF 70 XR 70 XL 125 XL 125 S
2004 - 12 47mm 56-W9822.000.PX 1997 - 03 47mm 56-W9822.000.PX 1977 - 83 56.5mm 56-W9852.000.PX
– – – –
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– –
56.5mm 56-W9823.000.PX
CRF 150R (Std. Comp. 11.7:1) CRF 150R (High Comp. 12.2:1) CRF 150R (Std. Comp. 11.7:1) XR 200 (Std. Comp. 10.0:1) XR 200R (Std. Comp. 10.0:1) CRF 230F (Std. Comp. 9.0:1) CRF 230L (Std. Comp. 9.0:1) CRF 250R (Std. Comp. 12.9:1)
2007 - 09 66mm 2007 - 09 66mm
56-W4915+00A.P 56-W4924+00B.P
56-R1214.PX 56-R1214.PX 56-R1214.PX
56-7965.PR 56-7965.PR 56-7965.PR
2012 - 21 66mm 56-W914.B.PX 1980 - 84 65.5mm 56-W4156.000.PX 1981 - 02 65.5mm 56-W4156.000.PX
– – – –
– – – – – – –
– – – –
2003 - 19 65.5mm 2008 - 09 65.5mm
56-W4816+000.P 56-W4816+000.P
2004 - 07 78mm 56-W4829.A.PX
56-R1217.PX 56-R1217.PX 56-R1217.PX 56-R1268.PX 56-R1218.PX 56-R1268.PX 56-R1268.PX 56-R1276.PX 56-R1276.PX 56-R1276.PX 56-R1276.PX 56-R1217.PX
56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0175.PX 56-0175.PX 56-0175.PX 56-0175.PX 56-0176.PX
(High Comp. 13.5:1)
2004 - 07 78mm 2008 - 09 78mm
56-W4829.A.PXH 56-W4829.A.PXH
CRF 250R (Std. Comp. 13.5:1) CRF 250R (Std. Comp. 13.2:1)
2010 - 13 76.8mm 56-W950.A.PX
56-7952.PR 56-7952.PR 56-7952.PR 56-7952.PR 56-7952.PR 56-7952.PR 56-7952.PR 56-7952.PR
(High Comp. 14.2:1)
2010 - 13 76.8mm
56-W950.A.PX.HC
CRF 250R (Std. Comp. 13.2:1)
2014 - 15 76.8mm 56-W958.A.PX 2016 - 17 76.8mm 56-W8800.A.PX 2018 - 19 79mm 56-W8806.A.PX 2020 - 21 79mm 56-W4788.A.PX
CRF 250R CRF 250R
CRF 250R (Std. Comp. 13.9:1)
CRF 250RX
2019
79mm 56-W8806.A.PX
2020 - 21 79mm 56-W4788.A.PX 2004 - 17 78mm 56-W4829.A.PX 2001 - 12 73mm 56-W9824.000.PX
CRF 250RX (Std. Comp. 13.9:1) CRF 250X (Std. Comp. 12.9:1) XR 250 Tornado (Std. Comp. 9.3:1)
– –
–
–
XR 400 (Std. Comp. 9.3:1)
1996 - 04 85mm
56-W4606+000.P
56-R1241.PX 56-R1272.PX 56-R1219.PX 56-R1219.PX 56-R1220.PX 56-R1221.PX 56-R1221.PX
56-0737.PR
56-0188.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX
CRF 450L CRF 450R
2019
96mm 56-W8811.A.PX
56-0749.PROX
2002 - 03 96mm 56-W4820.A.PX23 2004 - 08 96mm 56-W4820.A.PX48 2009 - 12 96mm 56-W4978.A.PX 2013 - 16 96mm 56-W916.A.PX 2017 - 21 96mm 56-W9949.A.PX 2002 - 08 99mm 56-W4820_300.PX 2017 - 21 96mm 56-W9949.A.PX 2005 - 17 96mm 56-W4820.A.PX48 2019 - 21 96mm 56-W8811.A.PX
56-0731.PR 56-0731.PR
CRF 450R (Std. Comp. 12.0:1) CRF 450R (Std. Comp. 12.0:1) CRF 450R (Std. Comp. 12.5:1) CRF 450R (Std. Comp. 13.5:1)
–
56-7959.PROX 56-7959.PROX 56-7959.PROX 56-7959.PROX
CRF 450R (Big Bore)
–
56-R1221.PX 56-R1219.PX 56-R1272.PX
CRF 450RX (Std. Comp. 13.5:1) CRF 450X (Std. Comp. 12.0:1) CRF 450X (Std. Comp. 12.0:1) XL/XR 500R (Std. Comp. 9.3:1) XR 600R (Std. Comp. 9.0:1) XR 650L (Std. Comp. 8.3:1) XR 650R (Std. Comp. 10.0:1)
56-0731.PR
56-0749.PROX
1979 - 82 89mm
56-W310+000.PX
– – – –
–
–
1985 - 00 97mm 56-W4366.000.PX 1993 - 19 100mm 56-W4562.000.PX 2000 - 07 100mm 56-W4715.00B.PX
56-0746.PR
56-0195.PX 56-0194.PX
– –
–
*Please visit our website for current prices
E3
E-mail: [email protected]
www.oro2u.com
Piston Kits
ProX
ProX Piston Kits
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install!
Husaberg 2-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1223.PX 56-R1200.PX 56-R1226.PX
Piston Pin 56-783.PX
Piston Clips 56-0174.PX 56-0181.PX 56-0183.PX Piston Clips 56-0176.PX 56-0176.PX 56-0176.PX 56-0181.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX
Small End Bearing
TE 125 TE 250 TE 300
2012 - 14 54mm 56-W035.A.PX
56-800.PROX 56-8020.PROX 56-8020.PROX
2011 - 14 66.4mm
56-W214.A.PROX
– –
2011 - 14 72mm 56-W854.A.PX
4-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1224.PX
Piston Pin 56-0717.PR 56-0717.PR
Small End Bearing
FE 250 (Std. Comp. 13.2:1)
2013 2013 2014
76mm 76mm
56-W4730+00A.P 56-W4734+00A.P
– – – – – – – – –
(High Comp.)
–
FE 250 FE 350 FE 390 FE 450 FE 450 FX 450 FE 501
78mm 56-W954.A.PX
56-R1225.PX 56-R1202.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX
–
2013 - 14 88mm 56-W960.A.PX 2010 - 12 95mm 56-W4739.B.PX 2009 - 12 95mm 56-W243.A.PX 2013 - 14 95mm 56-W968.A.PX 2010 - 12 95mm 56-W243.A.PX 2013 - 14 95mm 56-W9847.B.PX
56-0725.PR 56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR
husqvarna 2-Stroke Models Years
Size
Piston Kit
Piston Rings 56-R1246.PX 56-R1248.PX 56-R1227.PX 56-R1223.PX 56-R1223.PX 56-R1223.PX 56-R1277.PX 56-R1215.00 56-R1215.00 56-R1200.PX 56-R1200.PX 56-R1200.PX 56-R1226.PX 56-R1201.PX 56-R1201.PX 56-R1201.PX 56-R1201.PX Piston Rings 56-R1225.PX 56-R1225.PX 56-R1225.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX
Piston Pin
Piston Clips
Small End Bearing
2017 - 21 39.5mm 56-W802.A.PX 2017 - 21 45mm 56-W313.A.PX 2014 - 21 47mm 56-W012.A.PX 2014 - 21 54mm 56-W035.A.PX 2014 - 16 54mm 56-W035.A.PX 2017 - 19 54mm 56-W035.A.PX 2017 - 20 58mm 56-W6720.A.PX
TC 50 TC 65 TC 85
– – –
–
56-6306.PROX 56-6307.PROX 56-821.PROX 56-800.PROX 56-800.PROX 56-800.PROX 56-800.PROX 56-800.PROX 56-8021.PROX 56-8021.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX
56-0166.PX 56-0170.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0183.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX Piston Clips 56-0176.PX 56-0176.PX 56-0176.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX
TC 125 TE 125 TX 125
56-783.PX 56-783.PX 56-783.PX
TE 150/150i TE 150/150i
–
2021
58mm 56-W053.A.PX
CR 250 WR 250 TC 250 TE 250 TE 250i TE 300 TE 300 TE 300i TX 300 TX 300i
1998 - 05 66.4mm 56-W702.A.PX 1998 - 13 66.4mm 56-W702.A.PX
56-7924.PR 56-7924.PR 56-7924.PR 56-7924.PR 56-7924.PR
2014 - 21 66.4mm 2014 - 21 66.4mm 2018 - 21 66.4mm
56-W214.A.PROX 56-W214.A.PROX 56-W214.A.PROX
2014 - 16 72mm 56-W854.A.PX
– – – –
2017
72mm 56-W9947.A.PX
2018 - 21 72mm 56-W9984.A.PX 2017 - 18 72mm 56-W9947.A.PX 2019 - 21 72mm 56-W9984.A.PX
56-6950.PROX
4-Stroke Models
Size
Piston Kit
Piston Pin
Small End Bearing
Years
FC 250 (Std. Comp. 13.9:1) FC 250 (Std. Comp. 14.4:1) FE 250 (Std. Comp. 13.9:1) FC 350 (Std. Comp. 13.5:1)
2014 - 15 78mm 56-W954.A.PX 2016 - 21 78mm 56-W265.A.PX 2014 - 21 78mm 56-W954.A.PX 2014 - 15 88mm 56-W4735_00A.PX
56-6500.PROX 56-6500.PROX 56-6500.PROX
– – – – – – – – – – – – – – – – –
56-0725.PR 56-0725.PR 56-0725.PR 56-0725.PR
(High Comp. 14.5:1)
2014 - 15 88mm
56-W4736+00B.PX
2016 - 21 88mm 56-W4735_00A.PX 2014 - 16 88mm 56-W960.A.PX 2017 - 19 88mm 56-W9932.A.PX 2020 - 21 88mm 56-W4735_00A.PX 2017 - 21 88mm 56-W4735_00A.PX 2014 - 21 95mm 56-W956.A.PX 2014 - 19 95mm 56-W968.A.PX
FC 350 (Std. Comp. 13.5:1) FE 350 (Std. Comp. 12.3:1) FE 350 (Std. Comp. 12.3:1) FE 350 (Std. Comp. 13.5:1) FX 350 (Std. Comp. 14.1:1) FC 450 (Std. Comp. 12.6:1) FE 450 (Std. Comp. 11.9:1) FE 450 (Std. Comp. 12.75:1) FS 450 (Std. Comp. 12.6:1) FX 450 (Std. Comp. 12.6:1) FE 501 (Std. Comp. 11.8:1) FE 501 (Std. Comp. 12.75:1)
–
–
56-0725.PROX 56-0725.PROX 56-7959.PROX 56-7959.PROX 56-7959.PROX 56-7959.PROX 56-7959.PROX
56-0181.PX 56-0181.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX
2020
95mm 56-W8815.A.PX
2015 - 21 95mm 56-W956.A.PX 2017 - 21 95mm 56-W956.A.PX 2014 - 19 95mm 56-W9847.B.PX 2020 - 21 95mm 56-W8816.A.PX
*Please visit our website for current prices E4
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
ProX
Piston Kits
ProX Piston Kits
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low- friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in stand - ard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install!
kawasaki 2-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1228.PX 56-R1229.PX 56-R1230.PX 56-R1231.PX 56-R1232.PX 56-R1233.PX
Piston Pin 56-0748.PR 56-0748.PR 56-7988.PR 56-7988.PR 56-7988.PR
Piston Clips 56-0167.PX 56-0167.PX 56-0170.PX 56-0170.PX 56-0170.PX 56-0170.PX
Small End Bearing 56-6308.PROX 56-6308.PROX 56-823.PROX 56-823.PROX 56-823.PROX 56-823.PROX 56-823.PROX 56-823.PROX 56-800.PROX.KX 56-800.PROX.KX 56-800.PROX.KX 56-800.PROX.KX 56-800.PROX.KX 56-8061.PROX
KX 60 KX 65
1983 - 04 43mm 56-W648.A.PX 2000 - 21 44.5mm 56-W752.A.PX 1988 - 00 47mm 56-W644 47.PX
KX 80 (79cc) KX 80 (82cc)
1990 - 00 48mm
56-W644+A.PX
KX 85 KX 85
2001 - 13 48.5mm 56-W782.A.PX 2014 - 21 48.5mm 56-W879.00A.PX 1995 - 13 52.5mm 56-W651.A.PX 2014 - 21 52.5mm 56-W651.A.PX1
– – –
KX 100 KX 100 KX 125 KX 125 KX 125 KX 125 KX 125
–
– –
56-R1271.PX
1994
54mm
56-W640+00D.PX
– –
56-0713.PR
56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0176.PX
1995 - 97 54mm 1999 - 00 54mm 2001 - 02 54mm
56-W652.D.PX
–
56-W741+00D.PX 56-W783+00B.PX
56-R1234.PX 56-R1234.PX 56-R1234.PX 56-R1235.PX 56-R1236.PX 56-R1236.PX 56-R1237.PX 56-R1238.PX 56-R1242.PX Piston Rings 56-R1243.PX 56-R1244.PX 56-R1245.PX 56-R1244.PX 56-R1245.PX 56-R1245.PX 56-R1245.PX 56-R1225.PX 56-R1225.PX 56-R1225.PX
56-0713.PR 56-0713.PR 56-0713.PR
2003 - 08 54mm 56-W834.A.PX
KDX 200
1986 - 06 66mm 1992 - 95 67.4mm 1990 - 91 67.4mm
56-W597+0A.PX 56-W607+00B.PX 56-W607+00B.PX
– – – – – –
KDX 250 E
–
–
KX 250 KX 250 KX 250 KX 500
56-0180.PX 56-0181.PX 56-0181.PX
56-881.PROX 56-881.PROX 56-881.PROX 56-8050.PROX
1992 - 04 67.4mm 56-W617.B.PX 2005 - 08 66.4mm 56-W844.B.PX 1988 - 04 86mm 56-W575.A.PX
–
4-Stroke Models
Years
Size
Piston Kit
Piston Pin 56-7968.PR 56-7968.PR
Piston Clips 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0175.PX 56-0175.PX 56-0175.PX 56-0175.PX 56-0175.PX 56-0187.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX
Small End Bearing
KX 250F (Std. Comp. 12.6:1) KX 250F (Std. Comp. 13.5:1) KX 250F (Std. Comp. 13.2:1) KX 250F (Std. Comp. 13.5:1) KX 250F (Std. Comp. 13.8:1) KX 250F (Std. Comp. 13.8:1)
2004 - 05 77mm 56-W4842.A.PX 2006 - 09 77mm 56-W4920.A.PX
– – – – – – – – – – – – – – – – –
2010
77mm 56-W953.A.PX
– – –
2011 - 14 77mm 56-W952.A.PX 2015 - 16 77mm 56-W331.A.PX 2017 - 19 77mm 56-W9952.A.PX
56-6500.PROX 56-6500.PROX 56-6500.PROX 56-6500.PROX 56-6500.PROX
77mm 56-W8807.A.PX ** 78mm 56-W8817.A.PX 78mm 56-W8820.A.PX 78mm 56-W8820.A.PX 90mm 56-W4713.A.PX
(Std. Comp. 13.4:1)
2018 2020 2021 2021 2003
KX 250 (Std. Comp. 14.2:1) KX 250 (Std. Comp. 14.1:1) KX 250XC (Std. Comp. 14.1:1) KLX 400R (Std. Comp. 12.2:1) KX 450F (Std. Comp. 12.0:1) KX 450F (Std. Comp. 12.5:1) KX 450F (Std. Comp. 12.5:1) KX 450F (Std. Comp. 12.8:1) KX 450F (Std. Comp. 12.8:1) KX 450 (Std. Comp. 12.5:1) KX 450XC (Std. Comp. 12.5:1) KLX 450R (Std. Comp. 12.0:1)
–
–
2006 - 08 96mm 56-W212.A.PX 2009 - 12 96mm 56-W4980.A.PX 2013 - 14 96mm 56-W965.A.PX
56-R1219.PX 56-R1221.PX 56-R1221.PX 56-R1221.PX 56-R1221.PX 56-R1221.PX
56-0731.PR 56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR
2015
96mm 56-W330.A.PX
2016 - 18 96mm 56-W965.A.PX 2019 - 21 96mm 56-W8809.A.PX
–
2021
96mm 56-W8809.A.PX
2008 - 21 96mm 56-W212.A.PX
56-R1219.PX
56-0731.PR
56-0185.PX
–
** This piston is only to be used in 2018 models
*Please visit our website for current prices
E5
E-mail: [email protected]
www.oro2u.com
Piston Kits
ProX
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low- friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install! ProX Piston Kits
kTM 2-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1246.PX 56-R1246.PX 56-R1246.PX 56-R1247.PX 56-R1248.PX 56-R1248.PX 56-R1227.PX 56-R1249.PX 56-R1250.PX 56-R1223.PX 56-R1249.PX 56-R1223.PX 56-R1223.PX 56-R1251.PX 56-R1277.PX
Piston Pin 56-7941.PR 56-7941.PR
Piston Clips 56-0166.PX 56-0166.PX
Small End Bearing
50 Adventure
2002 - 08 39.5mm 56-W803.A.PX 2001 - 08 39.5mm 56-W803.A.PX 2009 - 21 39.5mm 56-W802.A.PX 1997 - 99 43.5mm 56-W312.A.PX 2000 - 08 45mm 56-W746.A.PX 2009 - 21 45mm 56-W313.A.PX 2003 - 21 47mm 56-W012.A.PX
–
50 SX 50 SX 60 SX 65 SX 65 SX 85 SX
56-6306.PROX 56-6306.PROX 56-6307.PROX 56-6307.PROX 56-6307.PROX 56-821.PROX 56-800.PROX 56-800.PROX 56-800.PROX 56-800.PROX 56-800.PROX
– – – – –
–
56-0166.PX 56-0166.PX 56-0166.PX 56-0170.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX
54.25mm 56-W740.A.PX
56-783.PX 56-783.PX 56-783.PX 56-783.PX 56-783.PX 56-783.PX
125 SX 125 SX 125 SX
1994 - 00
2001 - 06 54mm 56-W010.A.PX 2007 - 21 54mm 56-W035.A.PX
125 EXC 125 EXC 125 XC-W
1994 - 00
54.25mm 56-W740.A.PX
2001 - 16 54mm 56-W035.A.PX 2017 - 19 54mm 56-W035.A.PX
–
144 SX
2008 2020 2021
56mm 56-W036.B.PX 58mm 56-W035.A.PX 58mm 56-W053.A.PX
– – – –
56-800.PROX 56-800.PROX
150 EXC TPi 150 EXC TPi
–
–
–
150 SX 150 SX
2009 - 15 56mm 56-W036.B.PX 2016 - 21 58mm 56-W6720.A.PX 2017 - 19 58mm 56-W6720.A.PX 1998 - 16 64mm 56-W770.A.PX 1996 - 99 67.5mm 56-W694.B.PX
56-R1251.PX 56-R1277.PX
56-0174.PX
56-800.PROX 56-800.PROX 56-800.PROX 56-820.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX 56-8020.PROX
56-0601.PX 56-0601.PX
– –
150 XC-W 200 EXC
–
56-R1252.PX
–
56-0176.PX 56-0183.PX 56-0181.PX 56-0181.PX 56-0183.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0183.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX
250 SX 250 SX 250 SX
–
56-0724.PR 56-7924.PR 56-7924.PR 56-0724.PR 56-781.PR 56-7924.PR 56-7924.PR
2000 - 02 66.4mm 2003 - 21 66.4mm
56-W774.D.PX
56-R1253.PX 56-R1200.PX
56-W214.A.PROX
250 EXC 250 EXC 250 EXC
1996 - 99 67.5mm 56-W694.B.PX
–
2000 - 05 66.4mm 2006 - 21 66.4mm 2014 - 17 66.4mm 1996 - 03 72mm
56-W753.B.PROX 56-W214.A.PROX 56-W214.A.PROX 56-W712+00A.PX
56-R1207.PX 56-R1200.PX 56-R1200.PX 56-R1201.PX 56-R1226.PX 56-R1201.PX 56-R1201.PX
250 R Freeride
300 EXC 300 EXC 300 EXC
– – – –
2004 - 16 72mm 56-W854.A.PX
2017
72mm 56-W9947.A.PX
–
2018 - 21 72mm 56-W9984.A.PX
300 EXC TPI 360 SX/EXC 380 SX/EXC
56-8020.PROX 56-8020.PROX 56-8020.PROX
1996 - 97 78mm 1998 - 02 78mm
56-W747+00C.PX 56-W748+00C.PX
– –
56-7905.PR 56-7905.PR
*Please visit our website for current prices E6
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
ProX
Piston Kits
ProX Piston Kits
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low- friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install!
kTM 4-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1224.PX 56-R1224.PX 56-R1254.PX 56-R1225.PX 56-R1225.PX 56-R1224.PX 56-R1254.PX 56-R1225.PX 56-R1225.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1202.PX 56-R1203.PX 56-R1204.PX 56-R1204.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1206.PX 56-R1206.PX 56-R1255.PX 56-R1255.PX 56-R1203.PX 56-R1206.PX 56-R1206.PX 56-R1255.PX 56-R1255.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1203.PX 56-R1206.PX 56-R1206.PX 56-R1206.PX 56-R1206.PX 56-R1206.PX 56-R1206.PX
Piston Pin
Piston Clips 56-0176.PX 56-0176.PX 56-0176.PX
Small End Bearing
250 EXC-F (Std. Comp. 12.8:1)
2007 - 11 76mm 2012 - 13 76mm 2007 - 13 76mm
56-W4730+00A.P 56-W4730+00A.P 56-W4734+00A.P
56-7931.PROX 56-7931.PROX 56-7931.PROX
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
(Std. Comp. 13.2:1) (High Comp. 13.3:1)
2014 - 21 78mm 56-W954.A.PX 2018 - 20 78mm 56-W954.A.PX
250 EXC-F (Std. Comp. 13.9:1) 250 F Freeride (Std. Comp. 12.8:1) 250 SX-F (Std. Comp. 12.8:1)
–
–
56-6500.PROX
56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0185.PX 56-0187.PX 56-0187.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0187.PX 56-0187.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0187.PX 56-0187.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0193.PX 56-0193.PX 56-0193.PX 56-0193.PX 56-0187.PX 56-0187.PX 56-0187.PX 56-0193.PX 56-0193.PX
2006 - 12 76mm 2006 - 12 76mm
56-W4730+00A.P 56-W4734+00A.P
56-0717.PR 56-0717.PR
(High Comp. 13.3:1)
250 SX-F (Std. Comp. 13.9:1) 250 SX-F (Std. Comp. 14.4:1) 350 EXC-F (Std. Comp. 12.3:1) 350 EXC-F (Std. Comp. 12.3:1) 350 EXC-F (Std. Comp. 13.5:1) 350 SX-F (Std. Comp. 13.5:1)
2013 - 15 78mm 56-W954.A.PX 2016 - 21 78mm 56-W265.A.PX 2012 - 16 88mm 56-W960.A.PX 2017 - 19 88mm 56-W9932.A.PX 2020 - 21 88mm 56-W4735.A.PX
56-6500.PROX 56-6500.PROX 56-0725.PROX 56-0725.PROX 56-0725.PROX
2011 - 15 88mm 2011 - 15 88mm 2016 - 19 88mm 2020 - 21 88mm
56-W4735+00A.P 56-W4736+00B.P 56-W4735+00A.P 56-W4735+00A.P
56-0725.PR 56-0725.PR 56-0725.PR 56-0725.PR 56-0725.PR 56-7959.PR
(High Comp. 14.5:1)
350 SX-F (Std. Comp. 14.0:1)
(Std. Comp. 14.2:1)
350 Freeride (Std. Comp. 12.3:1) 400 EXC (Std. Comp. 11.1:1) 450 EXC-R (Std. Comp. 11.0:1)
2012 - 17 88mm 56-W960.A.PX 2009 - 11 95mm 56-W4739.B.PX 2003 - 07 89mm 56-W178.A.PX
– –
(High Comp. 12.0:1)
2003 - 07 89mm
56-W178.B.PX.HI
450 EXC-R (Std. Comp. 11.9:1) 450 EXC (Std. Comp. 11.8:1) 450 EXC-F (Std. Comp. 11.8:1) 450 SM-R (Std. Comp. 12.0:1)
2008 - 11 95mm 56-W243.A.PX 2012 - 16 95mm 56-W968.A.PX 2017 - 20 95mm 56-W968.A.PX 2004 - 07 95mm 56-W4805.B.PX 2004 - 07 95mm 56-W4806.B.PX 2008 - 12 97mm 56-W107.B.PX 2008 - 12 97mm 56-W244.A.PX 2013 - 14 95mm 56-W956.A.PX 2003 - 06 95mm 56-W4805.B.PX 2003 - 06 95mm 56-W4806.B.PX 2007 - 12 97mm 56-W107.B.PX 2007 - 12 97mm 56-W244.A.PX 2013 - 19 95mm 56-W956.A.PX 2020 - 21 95mm 56-W956.A.PX 2012 - 16 95mm 56-W9847.B.PX 2017 - 19 95mm 56-W9847.B.PX 2020 - 21 95mm 56-W8816.A.PX 2000 - 02 95mm 56-W4731.A.PX
56-7959.PR 56-7959.PR 56-7959.PR
56-7958 56-7958
(High Comp. 13.0:1)
450 SM-R (Std. Comp. 12.5:1)
56-7959.PR 56-7959.PR 56-7959.PR
(High Comp. 13.5:1)
450 SM-R (Std. Comp. 12.6:1) 450 SX (Std. Comp. 12.0:1)
56-7958 56-7958
(High Comp. 13.0:1)
450 SX-F (Std. Comp. 12.5:1)
56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR
(High Comp. 13.5:1)
450 SX-F (Std. Comp. 12.6:1)
(Std. Comp. 12.75:1)
500 EXC (Std. Comp. 11.8:1) 500 EXC-F (Std. Comp. 11.8:1) 500 EXC-F (Std. Comp. 12.75:1) 520 SX/EXC (Std. Comp. 11.0:1)
56-7959.PROX
56-7958 56-7958 56-7958 56-7958 56-7958 56-7958
(High Comp. 12.5:1)
2000 - 02 95mm
56-W216+00B.PX
525 SX/EXC (Std. Comp. 11.0:1)
2003 - 07 95mm 56-W4731.A.PX
(High Comp. 12.5:1)
2003 - 07 95mm
56-W216+00B.PX
525 SM-R (Std. Comp. 11.0:1)
2004 - 05 95mm 56-W4731.A.PX
(High Comp. 12.5:1)
2004 - 05 95mm 1994 - 97 101mm 1998 - 01 101mm 2002 - 07 101mm
56-W216+00B.PX 56-W181.A.PROX 56-W181.A.PROX 56-W181.A.PROX 56-W181.A.PROX
620 LC4, Duke (Std. Comp. 11.7:1)
– – – – – – – – –
– – – –
620 SC (Std. Comp. 11.7:1) 620 SXC (Std. Comp. 11.7:1)
640 LC4, Duke II (Std. Comp. 11.7:1) 1998 - 07 101mm
690 Enduro/R (Std. Comp. 11.8:1) 690 Supermoto (Std. Comp. 11.8:1) 690 SMC (Std. Comp. 11.8:1) 990 Adventure (Std. Comp. 11.5:1)
2008 - 11 102mm 56-W9831.B.PX 2007 - 09 102mm 56-W9831.B.PX 2008 - 11 102mm 56-W9831.B.PX 2006 - 08 101mm 56-W9832.B.PX
56-0736.PR 56-0736.PR 56-0736.PR 56-0742.PR 56-0742.PR
990 Adventure/R (Std. Comp. 11.5:1) 2009 - 12 101mm 56-W9833.B.PX
*Please visit our website for current prices
E-mail: [email protected]
www.oro2u.com
E7
Piston Kits
ProX
ProX Piston Kits
ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low- friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install!
2-Stroke Models RIEJU
Years
Size
Piston Kit
Piston Rings 56-R1201.PX
Piston Pin
Piston Clips 56-0181.PX
Small End Bearing
2021
MR 300 Pro / Racing / Ranger
72mm 56-W159.A.PX
56-781.PROX
56-802.PROX
2-Stroke Models SHERCO
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips 56-0166.PX 56-0174.PX 56-0174.PX 56-0181.PX
Small End Bearing
50 SE / SM 125 SC-R 125 SE-R 250 SC-R
2003 - 19 40.3mm 56-W9850.130.PX
–
56-7941.PROX 56-729.PROX 56-729.PROX 56-781.PROX
56-6306.PROX 56-8142.PROX 56-8142.PROX 56-6373.PROX 56-6373.PROX 56-6373.PROX 56-6373.PROX 56-6373.PROX
2019
54mm 56-W9845.A.PX
2018 - 21 54mm 56-W9845.A.PX
–
2019
66.34mm 56-W9989.A.PX
56-R1207.PX
250 SE / SE-R 250 SE / SE-R
2014 - 16 66.34mm 56-W9988.A.PX 2017 - 21 66.34mm 56-W9989.A.PX
–
–
–
56-R1207.PX 56-R1201.PX 56-R1201.PX
56-781.PROX
56-0181.PX 56-0181.PX 56-0181.PX
300 SC-R
2019
72mm 56-W9990.A.PX
– –
2016 - 21 72mm 56-W9990.A.PX
300 SE / SE-R
4-Stroke Models 250 SE F / SE F-R
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
2014 - 18 76mm 56-W9986.A.PX 2014 - 18 76mm 56-W9986.A.PX 2014 - 17 84mm 56-W9987.A.PX 2014 - 17 84mm 56-W9987.A.PX
– – – –
– – – –
– – – –
– – – –
2.5 SE i-FR
300 SE F / SE F-R
3.0 SE i-FR
SUZUKI 2-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1228.PX 56-R1229.PX 56-R1256.PX 56-R1257.PX
Piston Pin
Piston Clips 56-0167.PX 56-0167.PX 56-0170.PX 56-0170.PX 56-0174.PX 56-0174.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX Piston Clips 56-0176.PX 56-0176.PX 56-0176.PX 56-0187.PX 56-0187.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX 56-0185.PX
Small End Bearing
RM 60 RM 65
2003
43mm 56-W648.A.PX
– –
56-6308.PROX 56-6308.PROX
2003 - 05 44.5mm 56-W752.A.PX
RM 80 (82cc)
1991 - 01 47.5mm
56-W645+P0.PX
56-715.PR 56-715.PR
–
2002 - 21 48mm 56-W806.A.PX
RM 85 RM 100 RM 125 RM 125 RM 250 RM 250 RM 250 RM 250
56-821.PROX 56-823.PROX 56-800.PROX 56-800.PROX 56-8090.PROX 56-8090.PROX 56-8090.PROX 56-8090.PROX
2003
52.5mm 56-W651.A.PX
2000 - 03 54mm 56-W754.A.PX 2004 - 11 54mm 56-W835.A.PX
56-R1258.PX 56-R1258.PX
56-0715.PR 56-0715.PR
1989 - 95 67mm
56-W642.00D.PX
–
–
1996 - 97 66.4mm 56-W614.A.PX
56-R1215.00 56-R1215.00 56-R1259.PX Piston Rings 56-R1243.PX 56-R1260.PX 56-R1245.PX 56-R1261.PX 56-R1261.PX 56-R1221.PX 56-R1221.PX 56-R1221.PX 56-R1221.PX 56-R1221.PX
56-7924.PR 56-7924.PR
1998
66.4mm 56-W702.A.PX
2003 - 12 66.4mm 56-W742.A.PX
–
4-Stroke Models
Years
Size
Piston Kit
Piston Pin 56-7968.PR
Small End Bearing
RM-Z 250 (Std. Comp. 12.6:1) RM-Z 250 (Std. Comp. 13.4:1) RM-Z 250 (Std. Comp. 13.4:1) DR-Z 400 (Std. Comp. 12.2:1) DR-Z 400 (High Comp. 13.5:1) RM-Z 450 (Std. Comp. 12.2:1)
2004 - 06 77mm 56-W4842.A.PX 2007 - 09 77mm 56-W4921.A.PX 2010 - 21 77mm 56-W951.A.PX 2000 - 20 90mm 56-W4713.A.PX
– – – – – – – – – –
–
56-6500.PR
– –
2000 - 20 90mm
56-W4713.PX.HC
2008 - 12 96mm 56-W4953.B.PX 2008 - 12 96mm 56-W307.B.PX 2013 - 21 96mm 56-W4955.B.PX 2010 - 19 96mm 56-W4953.B.PX 2010 - 19 96mm 56-W307.B.PX
56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR 56-7959.PR
(High Comp)
RM-Z 450 (Std. Comp. 12.5:1) RMX 450 Z (Std. Comp. 12.2:1)
(High Comp. 13.2:1)
*Please visit our website for current prices E7a
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
ProX
Piston Kits
TM
2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin 56-783.PX
Piston Clips 56-0174.PX
Small End Bearing
MX/EN 125 MX/EN 144 MX/EN 250 MX/EN 300
1992 - 13 54mm
56-W016.C.PROX
–
56-814.PROX 56-814.PROX 56-6373.PROX 56-6373.PROX
2008 - 14 56mm 56-W9840.B.PX 1999 - 16 66.4mm 56-W020.C.PX 2002 - 16 72mm 56-W032.C.PX
56-R1262.PX
– – –
– – –
– –
YAMAHA
2-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1263.PX 56-R1280.PX 56-R1264.PX
Piston Pin 56-7979.PR
Piston Clips 56-0165.PX
Small End Bearing
1981 - 21 40mm
PW 50 YZ 65 YZ 85 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 IT 175 YZ 250 YZ 250
56-W938+000.PX
56-7996.PROX 56-822.PROX 56-821.PROX 56-815.PROX 56-815.PROX 56-815.PROX 56-836.PROX 56-814.PROX 56-814.PROX 56-814.PROX 56-814.PROX
2018 - 21 43.5mm 56-W9991.A.PX 2002 - 21 47.5mm 56-W805.A.PX
–
–
56-7930.PR 56-721.DR 56-721.DR 56-726.PR 56-0714.PR 56-0714.PR 56-0714.PR 56-0715.PR 56-0715.PR
56-0170.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX 56-0174.PX
56-W503+000_PX *** 56-W629+00B.PX 56-W647+00A.PX
1983
56mm
– – –
1990 - 93 56mm 1994 - 96 54mm
1997 - 00 54mm 56-W726.A.PX
56-R1265.PX 56-R1265.PX 56-R1250.PX 56-R1266.PX 56-R1266.PX
2001
54mm 56-W726.A.PX
2002 - 04 54mm 56-W797.A.PX 2005 - 21 54mm 56-W845.A.PX 2020 - 21 54mm 56-W845.A.PX 1982 - 83 68mm 56-W9859.200.PX ** 1988 - 98 68mm 56-W677.B.PX 1999 - 21 66.4mm 56-W742.A.PX 2016 - 21 66.4mm 56-W742.A.PX 1988 - 97 68mm 56-W677.B.PX
– –
– –
–
–
56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX Piston Clips 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0176.PX 56-0181.PX 56-0181.PX 56-0185.PX 56-0185.PX 56-0182.PX 56-0182.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0181.PX 56-0182.PX 56-0182.PX 56-0181.PX 56-0181.PX 56-0181.PX
56-8090.PROX
56-R1259.PX 56-R1259.PX
56-0729.PR 56-0729.PR
56-8010.PX 56-8010.PX
YZ 250X WR 250
–
–
56-8090.PROX
4-Stroke Models
Years
Size
Piston Kit
Piston Rings 56-R1208.PX 56-R1208.PX 56-R1208.PX 56-R1245.PX 56-R1245.PX 56-R1245.PX 56-R1245.PX 56-R1245.PX 56-R1245.PX 56-R1208.PX 56-R1245.PX 56-R1245.PX 56-R1245.PX
Piston Pin 56-0718.PR 56-0718.PR 56-7966.PR 56-6500.PR 56-6500.PR 56-6500.PR 56-6500.PR 56-6500.PR 56-6500.PR 56-0718.PR 56-6500.PR 56-6500.PR 56-6500.PR
Small End Bearing
YZ 250F (Std. Comp. 12.5:1) YZ 250F (Std. Comp. 13.5:1) YZ 250F (Std. Comp. 13.5:1) YZ 250F (Std. Comp. 13.5:1) YZ 250F (Std. Comp. 13.5:1) YZ 250F (Std. Comp. 13.8:1) YZ 250FX (Std. Comp. 13.5:1) YZ 250FX (Std. Comp. 13.5:1) YZ 250FX (Std. Comp. 13.8:1) WR 250F (Std. Comp. 12.5:1) WR 250F (Std. Comp. 13.5:1) WR 250F (Std. Comp. 13.5:1) WR 250F (Std. Comp. 13.8:1) YZ 400F (Std. Comp. 12.5:1) WR 400F (Std. Comp. 12.5:1) YZ 426 F (Std. Comp. 12.5:1) WR 426 F (Std. Comp. 12.5:1) YZ 450 F (Std. Comp. 12.5:1)
2001 - 07 77mm 56-W188.A.PX 2008 - 11 77mm 56-W4952.A.PX 2012 - 13 77mm 56-W108.00A.PX 2014 - 15 77mm 56-W4961.A.PX 2016 - 18 77mm 56-W4966.A.PX 2019 - 21 77mm 56-W8812.A.PX 2015 - 16 77mm 56-W4961.A.PX 2017 - 19 77mm 56-W4966.A.PX 2020 - 21 77mm 56-W8812.A.PX 2001 - 13 77mm 56-W188.A.PX 2015 - 17 77mm 56-W4961.A.PX 2018 - 19 77mm 56-W4966.A.PX 2020 - 21 77mm 56-W8812.A.PX 1998 - 99 92mm 56-W4649.B.PX 1998 - 00 92mm 56-W4649.B.PX
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
– –
– –
2000 - 02 95mm 2001 - 02 95mm
56-W4693+00B.P 56-W4693+00B.P
56-R1209.PX 56-R1209.PX 56-R1209.PX 56-R1209.PX 56-R1267.PX 56-R1255.PX 56-R1267.PX 56-R1267.PX 56-R1255.PX 56-R1267.PX 56-R1267.PX 56-R1209.PX 56-R1209.PX 56-R1255.PX 56-R1267.PX 56-R1267.PX
56-0732.PR 56-0732.PR 56-0726.PR 56-0726.PR 56-0725.PR 56-0725.PR
2003 - 09 95mm 56-W222.A.PX 2003 - 09 95mm 56-W223.B.PX 2010 - 13 97mm 56-W261.B.PX 2014 - 17 97mm 56-W4963.B.PX 2018 - 19 97mm 56-W4965.A.PX 2020 - 21 97mm 56-W4787.A.PX 2016 - 18 97mm 56-W4963.B.PX
(High Comp. 13.0:1)
YZ 450 F (Std. Comp. 12.5:1) YZ 450 F (Std. Comp. 12.5:1) YZ 450 F (Std. Comp. 12.8:1) YZ 450 F (Std. Comp. 13.0:1) YZ 450 FX (Std. Comp. 12.5:1) YZ 450 FX (Std. Comp. 12.8:1) YZ 450 FX (Std. Comp. 13.0:1) WR 450 F (Std. Comp. 12.5:1)
– –
56-0725.PR
2019 - 20 97mm
56-W4965.A.PROX
– –
2021
97mm 56-W4787.A.PX
2003 - 15 95mm 56-W222.A.PX 2003 - 15 95mm 56-W223.B.PX 2016 - 18 97mm 56-W4963.B.PX
56-0726.PR 56-0726.PR 56-0725.PR
(High Comp. 13.0:1)
WR 450 F (Std. Comp. 12.5:1) WR 450 F (Std. Comp. 12.8:1) WR 450 F (Std. Comp. 13.0:1) XT 500 (Std. Comp. 9.0:1)
2019 - 20 97mm
56-W4965.A.PROX
– – –
2021
97mm 56-W4787.A.PX
1976 - 81 87mm
56-W4045+000.P
– –
–
XT/TT 600
1984 - 04 95mm 56-W4596.000.PX
56-0744.PR
56-0191.PX
**Only available in +2mm oversize ***Only available in oversizes
*Please visit our website for current prices
E-mail: [email protected]
www.oro2u.com
E7b
Piston Kits
Wiseco
Wiseco 2-Stroke Piston Kits
Wiseco 4-Stroke Piston Kits
All Purpose Riding Pro Lite® • Great Value for Fun Factor
Ideal for Multi Purpose Riding Forged Series • Great Value for all around riding types • Every Day Ride/Race Power You can Feel! • Forged for Optimized Strength and Life • ArmorGlide® Skirt Coating Reduces Friction and Noise for More Horsepower on most applications • Wide Range of Bore and Compression Ratio Options
Endurance / High RPM GP Series™ • Optimized Race Features for Top End Power • Electra-Coated Dome, Ring Groove & Pin Bore for Extended Life • ArmorGlide® Skirt Coating Reduces Friction and Noise for More Horsepower Potential • Upgrade Ti Nitride Ring Package for Lower Coefficient of Friction and Wear
• Feel the Difference on the Track or in the Woods • Extra Lightening Operations for Instant Throttle Response • Strong Optimized Forging Design • Lightweight Pin, Rings and clip included
BETA 2-Stroke Models
Piston Type ArmorGlide ArmorGlide ArmorGlide
Years
Size
Piston Kit
Piston Rings 56-R406.WI 56-R406.WI 56-R406.WI
Piston Pin
Piston Clips 56-0153.WI 56-0153.WI 56-0153.WI
Small End Bearing
300 RR Enduro 300 RR Enduro
2013 - 17 72mm 56-W9817.WI 2018 - 19 72mm 56-W6723.WI 2015 - 17 72mm 56-W9817.WI
56-714
– – –
56-7983.WI
300 Xtrainer
56-714
4-Stroke Models
Piston Type
Years
Size
Piston Kit
Piston Rings 56-R280.WI
Piston Pin
Piston Clips 56-0153.WI
Small End Bearing
350 RR Enduro Comp. 12.9:1 ArmorGlide 400 RR Enduro Comp. 12.4:1 ArmorGlide 450 RR Enduro Comp. 12.0:1 ArmorGlide 498 RR Enduro Comp. 12.0:1 ArmorGlide
2011 - 14 88mm 56-W9818.WI 2010 - 14 95mm 56-W9819.WI 2010 - 14 95mm 56-W9820.WI 2012 - 14 100mm 56-W9821.WI
– – – –
– – – –
56-R054 56-R054 56-R533
56-000 56-000 56-000
GASGAS 2-Stroke Models
Piston Type
Years
Size
Piston Kit
Piston Rings
Piston Pin 56-729.WI
Piston Clips
Small End Bearing
Pro-Lite
EC / MC 125 EC / MC 125
2000 - 01 54mm 56-W726_000_WI
–
56-002 56-002
56-814.WI 56-814.WI
GP Series
2002 - 11 54mm
56-W676.PO.WI.G
56-R405+PO.1.WI 56-722.WI
EC 200
2000 - 14 62.5mm 56-W848.WI 2014 - 17 62.5mm 56-W848.WI 1997 - 14 66.4mm 56-W157.WI 2014 - 18 66.4mm 56-W157.WI 1997 - 08 66.4mm 56-W157.WI 2000 - 14 72mm 56-W159.WI 2014 - 18 72mm 56-W159.WI
56-R319 56-R319
56-7919 56-7919 56-781 56-781 56-781 56-781 56-781
56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI Piston Clips 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI
– –
EC 200 R
EC 250
56-R420.2.WI 56-R420.2.WI 56-R420.2.WI 56-R406.WI 56-R406.WI Piston Rings 56-R301.WI.Y 56-R316.WI 56-R305.WI 56-R305.WI
56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI
EC 250 R
MC / SM 250
EC 300
EC 300 R
4-Stroke Models EC 250F Comp. 12.5:1
Piston Type
Years
Size
Piston Kit
Piston Pin
Small End Bearing
2010 - 15 77mm 56-W188.WI
56-7966 56-7966
– – – –
High Comp 13.5:1
2010 - 15 77mm
56-W188.WI.HC
EC 450F Comp. 12.3:1
ArmorGlide
2013 - 15 95mm 56-W4785.WI
56-7929.WI 56-7929.WI
High Comp. 12.3:1
2013 - 15 95mm
56-W4785.WI.HC
Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size.
*Please visit our website for current prices E8
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
Wiseco
Piston Kits
honda 2-Stroke Models
Years
Piston Type
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
CR 80 CR 80
1983 1984
49.5mm 49.5mm
56-W493+000.WI 56-W509+000.WI
56-R490 56-R490 56-R401 56-R002 56-R002 56-R470 56-R525 56-R525
56-7903 56-7903 56-708 56-708 56-708
56-005.WI 56-005.WI
56-811.WI 56-811.WI 56-821.WI 56-821.WI 56-821.WI 56-821.WI 56-821.WI 56-821.WI 56-813.WI 56-807.WI 56-813.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-828.WI 56-828.WI
CR 80 (International Bore)
Pro-Lite Pro-Lite
1986 - 02 1986 - 02
46mm 56-W041_WI 47mm 56-W643.A.WI
56-003 56-003 56-003 56-003 56-003 56-003 56-003 56-003 56-003 56-002 56-002 56-002 56-002 56-002 56-002 56-002
GP Series 1986 - 02 GP Series 1993 - 06
47mm
56-W643.A.WI.GP
CR 80 CR 85
52mm 56-W833_450.WI
56-715.WI 56-715.WI 56-715.WI
Pro-Lite
2003 - 07
47.5mm 56-W833.WI
GP Series 2003 - 07
47.5mm 55.5mm
56-W833.WI.GP 56-W448+P0.WI 56-W563+000_WI
CR 125 CR 125 CR 125 CR 125 CR 125 CR 125
1980 - 84
56-R006.WI
56-711
1985 - 86 Pro-Lite
54mm
2126CD
56-7904
Pro-Lite
1987
54mm 56-W553.WI
56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R487.WI
56-715.WI 56-729.WI 56-729.WI 56-729.WI 56-722.WI 56-722.WI 56-722.WI 56-722.WI
1988 - 89 Pro-Lite 1990 - 91 Pro-Lite 1992 - 03 Pro-Lite
54mm 54mm
56-W564+P0_WI 56-W595+00A_WI
54mm 56-W676.P0.WI
1995 - 03 GP /ArmorGlide 54mm
56-W676.P0.WI.G
Pro-Lite
CR 125
2004
54mm 56-W840.WI 54mm 56-W859.WI
2005 - 07 Pro-Lite
2004 - 07 GP /ArmorGlide 54mm 56-W841.WI
CR 250 CR 250 CR 250 CR 250
1978 - 80 1981 - 83
70mm 66mm
56-W431+P0_WI 56-W466+P0_WI
56-724
56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI
56-R489 56-R489
S257
1984 - 85 Pro-Lite 1986 - 96 Pro-Lite 1997 - 01 Pro-Lite 1997 - 01 GP Series 2002 - 04 Pro-Lite
66mm 56-W526.P0_WI 66.4mm 56-W614.WI 66.4mm 56-W702.WI 66.4mm 56-W768.WI
56-7905.WI
56-R420.2.WI 56-R420.2.WI
56-781 56-781 56-781 56-781 56-781 56-781
CR 250 (Flat Top) 2-Ring
Single Ring
56-R441
CR 250
66.4mm
56-W801+00A_WI
56-R420.2.WI 56-R420.2.WI
2002 - 04 GP /ArmorGlide 66.4mm 56-W133.WI
2005 - 07 GP /ArmorGlide 66.4mm
CR 250 CR 480 CR 500
56-W860+00A_WI
56-R441
1982 - 83 ArmorGlide 1984 - 01 ArmorGlide
89mm 56-W636.000.WI ++ 89mm 56-W636.000.WI +++
56-R871.00 56-R871.00
56-7940.WI 56-7940.WI
56-000 56-000
4-Stroke Models
Years
Piston Type
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
XR 50
1988 - 08 2004 - 13 1979 - 91 1992 - 03 2004 - 13
39mm 39mm 48mm 48mm 48mm 66mm
56-W4798+000.WI 56-W4798+000.WI 56-W4665+P2 ** O/S 56-W4665+P2 ** O/S 56-W4665+P2 ** O/S 56-W4915+000.WI
56-R515 56-R515
56-7951 56-7951 56-7946 56-7946 56-7946
56-006.WI 56-006.WI 56-006.WI 56-006.WI 56-006.WI
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
CRF 50F
XR 80
– – –
XR 80R CRF 80F
CRF 150R Comp. 11.7:1 CRF 150R Hi-Comp. 12.2:1 CRF 150R Comp. 11.7:1
2007 - 09 ArmorGlide 2007 - 09 ArmorGlide 2012 - 20 ArmorGlide
56-R529 56-R529 56-R529 56-R201 56-R201 56-R201
56-7965.WI 56-7965.WI 56-7965.WI
56-003 56-003 56-003 56-002 56-002 56-002 56-002 56-007 56-007 56-007 56-007 56-007 56-007 56-007
66mm 56-W4924.WI 66mm 56-W914.WI 65.5mm 56-W4156.000.WI 65.5mm 56-W4156.000.WI 65.5mm 56-W4156.000.WI
XR 185 Comp. 10:1 XR 200R Comp. 10:1 XR 200R Comp. 10:1 CRF 230F Comp. 11:1 XR 250 Radial Head
1986 - 02 1980 - 83 1986 - 02
56-7907 56-7907 56-7907
2003 - 17 ArmorGlide
65.5mm
56-W4816+000.WI
56-R516.WI
56-722.WI 56-7936.WI
1984 - 85 1991 - 96 1986 - 04 1984 - 87
75mm 56-W4329.000.WI
56-R030 56-R031 56-R031 56-R030 56-R055 56-R314
XR 250L XR 250R
73mm 73mm
56-W4466+000.WI 56-W4466+000.WI
56-7908 56-7908
XL 250 Radial Head
75mm 56-W4329.000.WI 76mm 56-W9703.76.WI 78mm 56-W9703.78.WI 81mm 56-W9703.81.WI 78mm 56-W4829.WI 78mm 56-W4852.WI
56-7936.WI 56-7977.WI 56-7977.WI 56-7977.WI 56-7952.WI 56-7952.WI 56-7931.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI
CRF 250L Comp. 11.5:1
2013 - 16 ArmorGlide 2013 - 16 ArmorGlide 2013 - 14 ArmorGlide 2004 - 07 ArmorGlide 2004 - 07 ArmorGlide 2004 - 09 ArmorGlide 2008 - 09 ArmorGlide 2008 - 09 ArmorGlide 2010 - 13 ArmorGlide 2010 - 13 ArmorGlide 2010 - 13 ArmorGlide 2014 - 15 ArmorGlide 2014 - 15 ArmorGlide 2016 - 17 ArmorGlide 2016 - 17 ArmorGlide
Big Bore 263cc Big Bore 283.5cc
CRF 250R Comp 12.9:1
56-R517 56-R517
56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI
Hi-Comp 13.5:1
Big Bore
82mm
56-W4830+400.WI
CRF 250R Comp 13.1:1
78mm 56-W4949.WI 78mm 56-W4972.WI
56-R517 56-R517 56-R534 56-R534 56-R056 56-R534 56-R534 56-R534 56-R534
Comp 13.6:1
CRF 250R Comp 13.2:1
76.8mm 76.8mm
56-W950.WI.AR 56-W950.WI.HC
Hi-Comp 14.2:1
Big Bore
79mm 56-W950_220.WI
CRF 250R Comp 13.2:1
76.8mm 76.8mm
56-W958.WI.AR 56-W958.WI.ARH
Hi-Comp 14:1
CRF 250R Comp 13.2:1
76.8mm 56-W8800.WI
Hi-Comp 14:1
76.8mm
56-W8800.WI.HCA
++ Piston has pre-drilled oil hole. +++ Piston has no oil holes. ** These Pistons are available in oversize only. Please Note All over sizes of Piston Kit #56-W448 CR125 1980-84 Wiseco do not include a piston pin E-mail: [email protected]
Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size.
*Please visit our website for current prices
www.oro2u.com
E9