What's the pin to crown measurement? And the shape of the crown? Identical to the NSR?

No good having and extra 1500rpm if the compression ratio is incorrect (could just be low compression allowing over-rev) or a poor mis-match between crown shape and combustion chamber.

Great if the RM pistons are a direct replacement, but I would be shocked if they are. Even the OEM barrels, heads, and pistons need optimising for best performance, and they are manufactured to work together.
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Andy.
NSR-WORLD.COM

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