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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
How far can the Cylinder base be shaved?
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[QUOTE="thumper135, post: 1368706, member: 110851"] yes the old piston is flat. the old piston is no longer available to compare, it was a 56mm while the new piston is 62mm. the ring end locks on the new piston are exactly how they were on the old piston, apart from the diameter of the new piston which is bigger than the stock, there are not many differences apart from the thicker 2nd ring on the new piston. the old piston was 26mm in height from pin center to piston top lip, the new piston on the other hand is 2mm shorter than the old piston height (24mm) [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
How far can the Cylinder base be shaved?
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