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Old 10-13-2008, 11:26 AM
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jerseykat1 jerseykat1 is offline
Motorized Bicycle Elite Member
Join Date: Sep 2008
Location: North Plainfield, NJ
Posts: 134
Default Re: i think my "80cc" has issues. top speed only 28mph with shifter kit...

it wont even rev very high in neutral. its almost like there is a rev limiter on the engine, the vibration isnt too bad at all. when i last pulled the plug out it was black and moist (earlier today) i since switched to regular (seemed to make it slower) and added a little less oil to the mix (the blue stuff) so i should be around 24:1 if not closer to 30:1 using 87 octane. i am now after screwing around with the carb last night and some tinkering this morning only getting 25 mph, and the engine wont rev very high at all, when i first got the kit it would rev really high. i am going to take it out to get my lunch in a minute then take a look at the plug when i get back.
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