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Old 09-14-2011, 05:33 PM
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biknut biknut is offline
Motorized Bicycle Elite Member
Join Date: Sep 2010
Location: Dallas
Posts: 6,280
Default Re: spark plug keeps poppimg out

Use your throttle to control your speed. First problem solved.

Either you're not tightening your spark plug enough, or your spark plug hole is stripped. It the hole turns out to be stripped, the easiest thing to do is buy a head. Probably better get a head gasket too.

Fixing your wheel is easy. You need to adjust the bearing end play. It would probably be a good idea to grease the hub at the same time. If you have a coaster brake this might help.
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