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!
KAWASAKI 2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
KX 60 KX 65
1983 - 04 43mm 2000 - 26 44.5mm 1988 - 00 47mm 1990 - 00 48mm 2001 - 13 48.5mm 2014 - 25 48.5mm 1995 - 13 52.5mm 2014 - 21 52.5mm 2022 - 25 52.5mm 1995 - 97 54mm 1999 - 00 54mm 2001 - 02 54mm 2003 - 08 54mm 1986 - 06 66mm 1992 - 95 67.4mm 1990 - 91 67.4mm 1992 - 04 67.4mm 2005 - 08 66.4mm 1988 - 04 86mm
.A.PX .A.PX 47.PX +A.PX .A.PX
.PX .PX .PX .PX .PX .PX
.PR .PR .PR .PR .PR
.PX .PX .PX .PX .PX .PX
.PROX .PROX
56-W648 56-W752 56-W644 56-W644 56-W782 56-W879 56-W651 56-W651
56-R1228 56-R1229 56-R1230 56-R1231 56-R1232 56-R1233
56-0748 56-0748 56-7988 56-7988 56-7988
56-0166 56-0166 56-0170 56-0170 56-0170 56-0170
56-6308 56-6308 56-823 56-823 56-823 56-823 56-823 56-823 56-823 56-800 56-800 56-800 56-800
KX 80 (79cc) KX 80 (82cc)
.PROX .PROX .PROX .PROX .PROX .PROX .PROX
KX 85 KX 85
.00A.PX
– – – – –
KX 100 KX 100 KX 112 KX 125 KX 125 KX 125 KX 125
.A.PX
–
– – –
.A.PX1 .A.PX1 .D.PX
.PX .PX
56-R1271 56-R1271
56-W651 56-W652 56-W741 56-W783 56-W834 56-W597 56-W607 56-W607
–
.PX .PX .PX .PX .PX
.PROX.KX .PROX.KX .PROX.KX .PROX.KX
56-0174 56-0174 56-0174 56-0174 56-0176
+00D.PX +00B.PX
.PX .PX .PX .PX .PX .PX .PX .PX .PX
.PR .PR .PR
56-R1234 56-R1234 56-R1234 56-R1235 56-R1236 56-R1236 56-R1237 56-R1238 56-R1242
56-0713 56-0713 56-0713
.A.PX
KDX 200
+0A.PX +00B.PX +00B.PX
– – – – – –
.PROX
56-8061
KDX 250 E
–
–
KX 250 KX 250 KX 250 KX 500
.PX .PX .PX
.PROX .PROX .PROX
56-0180 56-0181 56-0181
56-881 56-881 56-881 56-8050
.B.PX .B.PX .A.PX
56-W617 56-W844 56-W575
–
.PROX
KAWASAKI 4-Stroke Models
Years
Size
Piston Kit 56-W4842 56-W4920
Piston Rings
Piston Pin
Piston Clips
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. 13.4:1) KX 250 (Std. Comp. 14.2:1) KX 250 (Std. Comp. 14.1:1) KX 250 (Std. Comp. 14.1:1)
2004 - 05 77mm 2006 - 09 77mm
.A.PX .A.PX
.PX .PX .PX .PX
.PR .PR
.PX .PX
– – – – – – – – – – – – – – – – – – – – – – – –
56-R1243 56-R1244 56-R1245 56-R1244
56-7968 56-7968
56-0176 56-0176
2010
77mm
.A.PX .A.PX .A.PX
– – –
.PX .PX
56-W953 56-W952 56-W331
56-0176 56-0176
2011 - 14 77mm 2015 - 16 77mm 2017 - 19 77mm
.PX .PX .PX .PX
.PX .PX
56-R1245 56-R1245 56-R1225 56-R1281
56-0176 56-0175
.A.PX .A.PX .A.PX .A.PX .A.PX .A.PX .A.PX .A.PX .A.PX
56-6500.PROX 56-6500.PROX 56-6500.PROX
56-W8807 56-W8817 56-W8820 56-W4983 56-W8839 56-W8820 56-W4983 56-W8839 56-W4713
2020
78mm
.PX .PX
56-0175 56-0175
2021 - 22 78mm 2023 - 24 78mm 2025 - 26 78mm 2021 - 22 78mm 2023 - 24 78mm 2025 - 26 78mm
.PX .PX .PX .PX .PX
.PX .PX
56-R1281 56-R1281 56-R1281 56-R1281 56-R1281
56-0175 56-0175
KX 250 (Comp. 14.0:1)
KX 250X (Std. Comp. 14.1:1) KX 250X (Std. Comp. 14.1:1)
56-6500.PROX
.PX .PX
56-0175 56-0175
KX 250 (Comp. 14.0:1)
.PX .PX
56-0175 56-0187
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 450 (Std. Comp. 12.5:1) KX 450X (Std. Comp. 12.5:1) KX 450 (Std. Comp. 12.5:1) KLX 450R (Std. Comp. 12.0:1)
2003
90mm
–
–
2006 - 08 96mm 2009 - 12 96mm 2013 - 14 96mm
.A.PX
.PX .PX .PX .PX .PX .PX
.PR .PR
.PX .PX
56-W212
56-R1219 56-R1221 56-R1221 56-R1221 56-R1221 56-R1221
56-0731 56-7959
56-0185 56-0185
.A.PX
56-W4980
.A.PX .A.PX .A.PX
.PR .PR .PR
.PX .PX
56-W965 56-W330 56-W965
56-7959 56-7959 56-7959
56-0185 56-0185
2015
96mm
2016 - 18 96mm 2019 - 23 96mm 2024 - 26 96mm 2021 - 23 96mm 2024 - 26 96mm 2008 - 21 96mm
.PX .PX
56-0185 56-0185
.A.PX .A.PX .A.PX .A.PX
–
56-W8809 56-W4098 56-W8809 56-W4098
.PX
56-0185
.PX .PX
56-0185 56-0185
.A.PX
.PX
.PR
56-W212
56-R1219
56-0731
*Please visit our website for current prices
E-mail: sales@oro2u.com
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