Vertex
Piston Kits
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. When it comes to power and perforance, Vertex pistons are hard to beat. Forged to the highest quality 2618 aluminium alloy. To aid in the break-in process, and reduce wear, Vertex pistons utilizes a unique Molybdenum Disulphide (MOS2) coating on the piston skirt.
KTM Models - 4 Stroke
Piston Type Years Size
Piston Kit
Piston Rings 56-R9315.V 56-R9315.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9400.V 56-R915.V 56-R915.V 56-R9318.V 56-R9430.V 56-R9430.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9402.V 56-R9402.V
Piston Pin
Piston Clips
Small End Bearing
EXC 450F Std. Comp. 11.0:1 EXC 450F High Comp. 12.0:1 EXC 450F Std. Comp. 11.8:1 EXC 450F High Comp. 12.3:1 EXC 450F Std. Comp. 11.8:1 EXC 450F High Comp. 12.8:1 EXC 450R Std. Comp. 11.9:1 EXC 450R High Comp. 12.8:1
2003 - 07 89mm 23329A 2003 - 07 89mm 23340A 2012 - 16 95mm 23859A 2012 - 16 95mm 23860A 2017 - 23 95mm 24209A 2017 - 23 95mm 24211A 2008 - 11 95mm 23379A 2008 - 11 95mm 23380A 2008 - 11 102mm 23368700 2003 - 06 95mm 22941A 2003 - 06 95mm 22968A 2003 - 06 97mm 22957200 2007 - 12 97mm 23342A 2007 - 12 97mm 23343A 2013 - 15 95mm 23849A 2013 - 15 95mm 23850A
715108 715108 715436 715436 715471 715471 715400 715400 715400 711140 711140 711140 715400 715400 715436 715436 715436 711197 711197 711197
72075 72075 72099 72099 72099 72099 72090 72090 72090 72075 72075 72075 72090 72090 72099 72099 72099 72099 72099 72099 72099 72099 72073 72075 72075 72075 72075 72075 72075 72090 72090 72090
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
EXC 450R Std. Comp 11.9:1 (Big Bore XL)
SX 450F Std. Comp. 12.0:1 SX 450F High Comp. 13.0:1
SX 450F Std. Comp. 12.0:1 (Big Bore)
SX 450F Std. Comp. 12.5:1 SX 450F High Comp. 13.2:1 SX 450F Std. Comp. 12.6:1 SX 450F High Comp. 13.2:1 SX 450F High Comp. 13.5:1 SX 450F Std. Comp. 12.6:1 SX 450F High Comp. 13.6:1 SX 450F High Comp. 13.3:1
GP Racer Choice 2013 - 15 95mm 23871A
2016 - 22 95mm 24099A 2016 - 22 95mm 24112A
GP Racer Choice 2016 - 22 95mm 24113A
2023
SX 450F
95mm 24618A
590295000004 715471
EXC 500 Std. Comp. 11.8:1 SX-F 505 High Comp. 13.5:1 SX-EXC 520 Std. Comp, 11.0:1
2012 - 23 95mm 23762A 2008 - 09 100mm 23417A 2000 - 02 95mm 22942A 2000 - 02 97mm 22958200 2000 - 02 98mm 22958300 2003 - 07 95mm 22942A 2003 - 07 97mm 22958200 2003 - 07 98mm 22958300 2008 - 11 95mm 23381A 2008 - 11 95mm 23382A 2008 - 11 102mm 23369700
56-R9402.V 56-R9316.V 56-R915.V 56-R9318.V 56-R9318.V 56-R915.V 56-R9318.V 56-R9318.V 56-R9402.V 56-R9402.V 56-R9400.V
711197 711174 711140 711140 711140 711140 711140 711140 715400 715400 715400
SX-EXC 520 Std. Comp. 11.0:1 (Big Bore) SX-EXC 520 Std. Comp. 11.0:1 (Big Bore XL)
SX-EXC 525 Std. Comp. 11.0:1
SX-EXC 525 Std. Comp. 11.0:1 (Big Bore) SX-EXC 525 Std. Comp. 11.0:1 (Big Bore XL)
EXC 530R Std. Comp. 11.9:1 EXC 530R High Comp. 12.7:1
EXC 530R Std. Comp. 11.9:1 (Big Bore XL)
RIEJU Models - 2 Stroke
Piston Type Years Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
MR 250 MR 300
2021 2021
66.4mm 23249A 72mm 23761A
56-R9311.VER 715372
72074 72074
56-R9312.V
715372
SHERCO Models - 2 Stroke
Piston Type Years Size
Piston Kit
Piston Rings 56-R9405.V 56-R908.V 56-R9455.V 56-R9032.V
Piston Pin
Piston Clips
Small End Bearing
Trial 125 Trial 200 Trial 250 Trail 290 SE 250R SE 300R
56mm
22623A
715242 715258 711125 711125
72058 72058 72060 72047 72074 72074
64mm 22624A 72.8mm 22674A 76mm 22625A
2017 - 23 66.4mm 24621A 2016 - 23 72mm 24622A
56-R9311.VER 71161 56-R9312.VER 71161
* 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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