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Old 01-19-2012, 06:55 PM
dmb dmb is offline
Motorized Bicycle Elite Member
Join Date: Dec 2010
Location: lakewood ca
Posts: 1,348
Default Re: Getting all 3 Horse Power out of your GT-5 Sky? (tear down)

lotsa room for big valves in their scotto, but too big will ruin botton end just like too big of two stroke ports can do the same thing. a happy medium is best for single speed motors. recon chris im looking to see how you unshroud the transfers, maybe relieving the piston crown?
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