Piston Kits
Vertex
Vertex Piston Kits - 2 Stroke As the OE supplier of 2-stroke pistons to KTM, Vertex pistons has an outstanding reputation for quality and performance. Each gravity 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. Vertex Piston Kits - 4 Stroke When it comes to power and performance, Vertex 4 stroke pistons are hard to beat. Forged to the highest quality 2618 aluminium alloy, Vertex pistons are perfectly suited to handle the rigors and high pressures of todays modern 4-stroke engines. To aid in the break-in process, and reduce wear, Vertex pistons utilizes a unique Molybdenum Disulphide (MOS2) coating on the piston skirt.
HONDA Models - 4 Stroke
Piston Type Years Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
CRF 125R
2007
60mm 23353A
715378 715029 715029 715029 715084 715029 715029 715029 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 715380 711195 715380 715441 715380 715380 715380 715380 711195 711195 711195 715380 715380 715380 711195 711195 711195 711229 711229 715441 715441 715441
72093 72093 72093 72093 72093 72093 72093 72093 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72106 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
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2007 - 09 2007 - 09
66mm 66mm
23302A 23304A
56-R9355.V 56-R9355.V 56-R9356.V 56-R9357.V 56-R9355.V 56-R9355.V 56-R9356.V 56-R9358.V 56-R9358.V 56-R9358.V 56-R9358.V 56-R9359.V 56-R9361.V 56-R9361.V 56-R9362.V 56-R9363.V 56-R9358.V 56-R9364.V 56-R9364.V 56-R9364.V 56-R9359.V 56-R9360.V 56-R9361.V 56-R9367.V 56-R9364.V 56-R9364.V 56-R9364.V 56-R9365.V 56-R9366.V 56-R9364.V 56-R9364.V 56-R9364.V 56-R9368.V 56-R9368.V 56-R9368.V 56-R9361.V 56-R9369.V 56-R9368.V 56-R9368.V 56-R9368.V
CRF 150R Std. Comp. 11.7:1 CRF 150R High Comp. 12.2:1 CRF 150R (Big Bore) CRF 150R (Big Bore XL) CRF 150R Std. Comp. 11.7:1 CRF 150R High Comp. 12.2:1
2007 - 09 68mm 23520A 2007 - 09 72mm 23309600
2012 - 23 66mm 2012 - 23 66mm
23759A 23304A
2012 - 23 68mm 23868A 2004 - 07 78mm 22983A 2004 - 07 78mm 23113A 2008 - 09 78mm 23443A 2008 - 09 78mm 23444A 2004 - 09 79mm 23461A 2004 - 09 80mm 22983200 2004 - 09 81mm 23535A 2004 - 09 84mm 23232600 2004 - 09 85mm 23318700
CRF 150R Std. Comp. 11.7:1 (Big Bore)
CRF 250R Std. Comp. 12.9:1 CRF 250R High Comp. 13.4:1 CRF 250R Std. Comp. 13.0:1 CRF 250R High Comp. 13.5:1
CRF 250R Std Comp. 13.0:1 (Big Bore) CRF 250R Std. Comp. 13.0:1 (Big Bore) CRF 250R Std. Comp. 13.0:1 (Big Bore)
CRF 250R (Big Bore XL) CRF 250R (Big Bore XXL) CRF 250R High Comp. 13.7:1 CRF 250R Std. Comp. 13.2:1 CRF 250R High Comp. 14.1:1 CRF 250R High Comp. 14.6:1
GP Racer Choice 2009
78mm 23529A
2010 - 13 76.8mm 23510A 2010 - 13 76.8mm 23561A
GP Racer Choice 2010 - 13 76.8mm 23730A
2010 - 13 79mm 23589A
CRF 250R High Comp. 13.5:1 (Big Bore) CRF 250R High Comp. 14.1 (Big Bore) CRF 250R Std. Comp. 13.2:1 (Big Bore) CRF 250R Std. Comp. 13.2:1 (Big Bore)
GP Racer Choice 2010 - 13 80mm 23788A
2010 - 17 80mm 23653A 2010 - 17 83mm 23702A 2014 - 15 76.8mm 23961A 2014 - 15 76.8mm 23962A
CRF 250R Std. Comp. 13.5:1 CRF 250R High Comp. 14.1:1 CRF 250R High Comp. 14.6:1 CRF 250R High Comp. 13.9:1
GP Racer Choice 2014 - 15 76.8mm 23963A
US-Pro US-Pro
2015 - 17 76.8mm 24080A 2015 - 17 80mm 24081A 2016 - 17 76.8mm 24119A
CRF 250R Std. Comp. 14.6:1 (Big Bore)
CRF 250R Std. Comp. 13.8:1 CRF 250R Std. Comp. 14.0:1 CRF 250R High Comp. 14.3:1 CRF 250R Std. Comp. 13.9:1 CRF 250R High Comp. 14.6:1 CRF 250R High Comp. 14.2:1
GP Racer Choice 2016 - 17 76.8mm 24121A
2016 - 17 76.8mm 24120A 2018 - 19 79mm 24273A 2018 - 19 79mm 24274A
GP Racer Choice 2018 - 19 79mm 24275A
2018 - 20 81mm 24322A 2018 - 20 82mm 24348A 2020 - 21 79mm 24516A 2020 - 21 79mm 24454A
CRF 250R Std. Comp. 13.9:1 (Big Bore) CRF 250R Std. Comp. 13.9:1 (Big Bore) CRF 250R Std. Comp. 13.9:1 CRF 250R High Comp. 14.4:1 CRF 250R High Comp. 14.1:1 CRF 250R Comp. 13.9:1 (Big Bore) CRF 250R Comp. 13.9:1 (Big Bore) CRF 250R Std. Comp. 13.8:1 CRF 250R High Comp. 14.4:1 CRF 250R High Comp. 14.1:1 CRF 250R Comp. 13.9:1 (Big Bore) CRF 250R Comp. 13.9:1 (Big Bore) CRF 250RX Std. Comp. 13.85:1
GP Racer Choice 2020 - 21 79mm 24518A
2020 - 21 81mm 24322A 2020 - 21 82mm 24348A 2022 - 23 79mm 24575A 2022 - 23 79mm 24579A
56-R9361.VER 711229 56-R9369.VER 711195 56-R9503.VER 715441 56-R9503.VER 715441 56-R9503.VER 715441 56-R9361.VER 711229 56-R9369.VER 711195 590279000003 715441 590279000003 715441 590279000003 715441
GP Racer Choice 2022 - 23 79mm 24580A
2022 - 23 81mm 24322A 2022 - 23 82mm 24348A 2020 - 21 79mm 24516A 2020 - 21 79mm 24517A
CRF 250RX High Comp. 14.4:1 CRF 250RX High Comp. 14.1:1
GP Racer Choice 2020 - 21 79mm 24518A
*Please visit our website for current prices
* Note; Most Kits are available from standard size up to +2.00mm over size *
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
E46
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