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Old 07-23-2012, 04:18 PM
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maurtis maurtis is offline
Motorized Bicycle Elite Member
Join Date: Dec 2011
Location: Kyle, TX
Posts: 707
Default Re: Fourstroking @ WOT... help.

My RB80 did that at high RPM with the stock jet (about a 70) and SBP HD air filter. Going to a 68 jet caused me to only 4 stroke on WOT just after startup. After about 2 miles, no 4 stroking anywhere.
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