1992 XR200R
65.5MM Bore and 57.8MM stroke
MY engine is a Zongshen CB350
65MM bore and 67MM stroke.
My TDC clearance is roughly 0.072" ot 1.84MM
The honda piston is about 3.56mm taller than my stock Zongshen piston.
I wonder is I can mill down the piston to make it work. I am near the top of the cylinder now when the piston is at TDC. I can reassemble and take a definite measurement of the piston when it is at TDC.
At best, I think I have 0.085" clearance when assembled with the stock head and base gaskets.
Is there a thicker base gasket I can run?
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Gio X31 Paid $440 for the bike new in the crate! Currently a modified, high compression, head turning MONSTER!
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