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.
BETA Models - 2 Stroke RK6 Enduro-K50-ST50
Piston Type
Years
Size
Piston Kit
Piston Rings 56-R9030.V 56-R9030.V 56-R9307.V 56-R9311.V 56-R9311.V 56-R9312.V 56-R9312.V 56-R9031.V 56-R9032.V 53010006640 53010006640 53010007300 56-R9312.V 56-R9312.V 53010007300
Piston Pin
Piston Clips
Small End Bearing
1995 - 97 39.5mm 22171A 1998 - 02 39.5mm 22525AB 2018 - 23 54mm 56-W8813.A.V
715036 715036 711127
72065 72025 72071 72047 72047 72047 72047 72047 72047 72047 72047 72047 72047 72047 72047
RK6 Enduro
RR 125 RR 200 RR 250 RR 250 RR 300 RR 300
56-800.VERTEX 56-844.VERTEX 56-8020.VERTEX 56-8020.VERTEX 56-8020.VERTEX 56-8020.VERTEX
2019 - 23 62mm 24521A 2013 - 17 66.4mm 24390A 2018 - 23 66.4mm 24384A 2013 - 17 72mm 24391A 2018 - 21 72mm 24385A 1995 - 97 72.5mm 22176A
56-7924.V 56-7924.V 56-7924.V 56-7924.V
Tecno-ALP Trial Zero 270 Trial Xtrainer 250 2T Xtrainer 250 2T
711125 711125 715372 715372 715372 715372 715372 715372
76mm 22436A 66.4mm 24390A
2017
2018 - 23 66.4mm 24384A 2022 - 23 73mm 24569A 2015 - 17 72mm 24391A 2018 - 21 72mm 24385A 2022 - 23 73mm 24569A
56-8020.VERTEX 56-8020.VERTEX
RR 300 2T
Xtrainer 300 2T Xtrainer 300 2T Xtrainer 300 2T
56-8020.VERTEX
Models - 4 Stroke
Years Size
Piston Kit
Piston Rings Piston Pin 56-R9303.5400 715262
Piston Clips
Small End Bearing
RR 125-RE-ALP Motard-Urban
2006 - 12 54mm 23349 2005 - 07 75mm 22978A 2005 - 07 75mm 22980A 2005 - 07 77mm 22979200 2016 - 23 88mm 24386A 2016 - 23 88mm 24387A 2015 - 23 95mm 24388A 2005 - 09 89mm 23329A 2005 - 09 89mm 23340A 2015 - 23 100mm 24389A 2005 - 09 95mm 22942A 2005 - 09 95mm 22969A 2005 - 08 97mm 22958200 2005 - 08 98mm 22958300
72049 72075 72075 72075 72098 72098 72099 72075 72075 72099 72075 72075 72075 72075
- - - - - - - - - - - - - -
56-R9309.V 56-R9309.V 56-R917.V 56-R9313.V 56-R9313.V 56-R9314.V 56-R9315.V 56-R9315.V 56-R9316.V 56-R915.V 56-R915.V 56-R9318.V 56-R9319.V
711140 711140 711140 715431 715431 715436 715108 715108 415436 711140 711140 711140 711140
RR 250 Std Comp. RR 250 Hi Comp. RR 250 Big Bore.
RR 350 RR 390 RR 430
RR 450 Std Comp. 11.0:1 RR 450 Hi Comp. 12.0:1
RR 480
RR 525 Std Comp. 11.0:1 RR 525 Hi Comp. 12.0:1
RR 525 Std Comp. 11.0:1 (Big Bore) RR 525 Std Comp. 11.0:1 (Big Bore XL)
CAGIVA Models - 2 Stroke
Piston Type
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
Cross 125 Cross 125 Cross 250
1984 - 88 1988 - 91
56mm 56mm
21600A 21889A
56-R902.V 56-R902.V 56-R912.V
711121 711121 711125
72027 72027 72048
1985 - 91 70mm 21757AB
COBRA Models - 2 Stroke
Piston Type
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
CX 50SR
2006 - 17 39mm 24105A 2007 - 09 44.5mm 24107AB 2010 - 11 43mm 24106AB 2012 - 16 44.5mm 24107AB
CX 65 CX 65 CX 65
*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
E44
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