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Old 05-21-2015, 12:50 PM
dtv5403 dtv5403 is offline
Motorized Bicycle Elite Member
Join Date: May 2015
Location: USA
Posts: 324
Default Re: what are these engines made of?

A buddy of mine had this happen to his first engine, a black 48cc skyhaek with the round head. It ran for over a year and that clutch arm cover never gave any issues. Rings gave out, but the clutch worked just fine snf the clutch arm cover was fine.
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