Thread: G1 big bore kits??
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Old 05-09-2019, 08:39 PM   #5
cgtech
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Yamaha
 
Join Date: Jun 2012
Location: AZ
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Default Re: G1 big bore kits??
Well, that is a tough one to answer.... They did make similar snowmobile motors with bigger bore, but they were also operated exclusively in freezing temps.
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