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Old 08-30-2015, 09:23 AM
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donphantasmo donphantasmo is offline
Motorized Bicycle Elite Member
Join Date: Oct 2010
Location: Middleburg, FL
Posts: 359
Default Re: 80cc bike really slow

I would change the fuel, make sure the oil mixture is right, change the spark plug. Also, check the gearing, as well. Start with the fuel, oil and spark plug. And go from there.
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