I looked up the Wiseco website and their overbore kit is 1134, 2mm oversize with a compression of 10.25. Would you consider this to high for the setup I,m running? Sidecar etc. Regards Paul
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you probably should run premium but it will be ok. If you want to lower it put a thicker base gasket on -
On another note, what comp. ratio is considered too high (for street riding/pump gas)? 11:1? 12:1? Just thought I'd ask!
Mitch.Comment
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If you want to be able to buy gas at the pump I would not go over 10.5/1
The new bikes are able to run higher compressions because of advances
in piston & cylinder design, computer controls & being water cooledComment
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