Piston Kits
Vertex
Vertex Piston Kits VERTEX pistons have an outstanding reputation for quality and performance. Each gravtiy cast piston is created with only premium aluminium alloys utilizing an 12-21% silicon content. The silicon content in VERTEX pistons is crucial to the quality of the piston - it’s critical in decreasing thermal expansion which, when an
engine reaches normal operating temperatures, can change the geometry of the piston. Controlling this expansion means VERTEX pistons can be run at tighter tolerances for more power, less noise and a longer lifespan of the piston.
KAWASAKI Models - 4 Stroke KX 250F - KXE 250F Std. Comp. 12.6:1 KX 250F - KXE 250F High Comp. 13.3:1
Piston Type Years Size
Piston Kit
Piston Rings Piston Pin
Piston Clips
2004 - 05 77mm 2004 - 06 77mm
.V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V .V
715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 711195 715380 711229 711229 711195 711229 711229 711229 711195 711229 711195 711195 711195
22982A 23114A
56-R9414 56-R9414 56-R9359 56-R9360 56-R9367 56-R9362 56-R9414 56-R9414 56-R9414 56-R9414 56-R9414 56-R9360 56-R9414 56-R9414 56-R9414 56-R9360 56-R9414 56-R9414 56-R9414 56-R9360 56-R9414 56-R9414 56-R9414 56-R9360 56-R9406 56-R9406 56-R9406 56-R9361 56-R9406 56-R9406
72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72075 72075 72075 72075 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090
KX 250F - KXE 250F Std. Comp. 12.6:1 (Big Bore) KX 250F - KXE 250F High Comp. 12.6:1 (Big Bore) KX 250F - KXE 250F Std. Comp. 12.6:1 (Big Bore XL) KX 250F - KXE 250F Std. Comp. 12.6:1 (Big Bore XXL)
2004 - 09 79mm 22982200
2004 - 09 80mm 2004 - 09 83mm 2004 - 09 84mm 2006 - 08 77mm
23405A
23245600 23231700
KX 250F - KXE 250F Std. Comp. 13.5:1 KX 250F - KXE 250F Std. Comp. 13.2:1 KX 250F - KXE 250F High Comp. 13.9:1 KX 250F - KXE 250F Std. Comp. 13.2:1 KX 250F - KXE 250F High Comp. 13.9:1
23259A 23259A 23458A 23566A 23567A 23680A 23646A 23647A 23732A 23654A 24020A 24021A 24023A 24032A 24267A 24268A 24269A 24237A 24456A 24457A 24458A 24637A 24509A 24515A 24628A 24629A 24716A 22951A 23550A
2009
77mm
2008 - 09 77mm
2010 2010 2010
77mm 77mm 80mm
KX 250F - KXE 250F Std. Comp. 13.2:1 (Big Bore)
KX 250F - KXE 250F Std. Comp. 13.5:1 KX 250F - KXE 250F High Comp. 14.2:1 KX 250F - KXE 250F Hi- Comp. 14.5:1
2011 - 14 77mm 2011 - 14 77mm
GP Racer Choice 2011 - 14 77mm
KX 250F - KXE 250F Std. Comp. 13.5:1 (Big Bore)
2011 - 14 80mm 2015 - 16 77mm 2015 - 16 77mm
KX 250F - KXE 250F Std. Comp. 13.8:1 KX 250F - KXE 250F High Comp. 14.3:1 KX 250F - KXE 250F Hi Comp. 14.8:1
.EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH
GP Racer Choice 2015 - 16 77mm
KX 250F - KXE 250F Std. Comp. 13.8:1 (Big Bore)
2015 - 16 80mm 2017 - 19 77mm 2017 - 19 77mm
KX 250F Std. Comp. 13.4:1 KX 250F High Comp. 14.3:1 KX 250F High Comp. 13.9:1
GP Racer Choice 2017 - 19 77mm
KX 250F Std. Comp. 13.4:1 (Big Bore)
2017 - 19 80mm
2020 2020
78mm 78mm 78mm
KX 250F Std. Comp. 14.2:1
KX 250F High. Comp. KX 250F High. Comp. KX 250F (Big Bore)
GP Racer Choice 2020
2020 - 24 81mm 2021 - 22 78mm 2021 - 22 78mm 2023 - 24 78mm
. VERTEX 711195
.V .V
715441 715441
KX 250 Std. Comp. 14.1:1 KX 250 High. Comp. 15.05:1 KX 250 Std. Comp. 14.1:1
590278000005 715441 590278000005 715441 590278000004 715441
GP Racer Choice 2023 - 24 78mm
KX 250 High Comp.
2025 - 26 78mm 2003 - 04 90mm 2003 - 04 90mm 2003 - 04 91mm 2003 - 04 92mm 2008 - 10 96mm 2006 - 10 96mm 2006 - 08 96mm 2006 - 08 96mm 2009 - 12 96mm 2009 - 12 96mm
KX 250 / X
KLX 400 Std. Comp. 12.2:1 KLX 400 High Comp. 13.5:1
.V .V .V .V
711140 711140 711140 711140 711144 711144 711144 711144 711144 711144 711197 715379 715379 711197 715379 715379 711208 715379 715379 715379 711197 715471 711241 711241
56-R9415 56-R9415 56-R9416 56-R9417
KLX 400 (Big Bore) KLX 400 (Big Bore XL)
22973100 22973200
KLX 450R Std. Comp. 12.0:1 KLX 450R High Comp. 13.0:1
.V .V
23242A 23243A 23242A 23243A 23445A 23446A 23733A 23857A 23858A 23874A 24018A 24019A 24022A 24031A 23857A 23858A 23874A 24368A 24376A 24377A 24698A
56-R918 56-R918
KX 450F - KXE 450F Std. Comp. 12.0:1 KX 450F - KXE 450F High Comp. 12.0:1
.V .V
56-R918 56-R918
KX 450F Std. Comp. 12.7:1 KX 450F High Comp. 13.2:1 KX 450F High Comp. 13.8:1 KX 450F Std. Comp. 12.5:1 KX 450F High Comp. 13.6:1 KX 450F High Comp. 13.8:1 KX 450F Std. Comp. 12.5:1 KX 450F High Comp. 13.0:1 KX 450F High Comp. 13.5:1
.V .V
56-R918 56-R918
GP Racer Choice 2009 - 12 96mm
.V .V
56-R918 56-R918
2013 - 14 96mm 2013 - 14 96mm 2013 - 14 96mm
.V
56-R918
.V
56-R918
2015 2015
96mm 96mm 96mm
.V .V .V .V .V
56-R9376 56-R9376 56-R9376 56-R9374 56-R9376
GP Racer Choice 2015
KX 450F Std. Comp. 12.5:1 (Big Bore)
2009 - 15 98mm 2016 - 18 96mm 2016 - 18 96mm
KX 450F Std. Comp. 12.8:1 KX 450F High Comp. 13.9:1 KX 450F High Comp. 14.1:1 KX 450 Std. Comp. 12.5:1 KX 450 High Comp. 13.5:1 KX 450 High Comp. 13.0:1
.V .V
56-R918 56-R918
GP Racer Choice 2016 - 18 96mm
2019 - 23 96mm 2019 - 23 96mm
.V .V .V .V
56-R9376 56-R9376 56-R9376 56-R9376
GP Racer Choice 2019 - 23 96mm
2024 - 26 96mm
KX 450 / X
* Note; Most Kits are available from standard size up to +2.00mm over size *
*Please visit our website for current prices
E-mail: sales@oro2u.com
www.oro2u.com
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