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Old 01-11-2011, 05:51 PM
Bob Mac 18704 Bob Mac 18704 is offline
Motorized Bicycle Elite Member
Join Date: Jan 2010
Location: penna.
Posts: 127
Default Re: Preplexing Engine Issue

I second the muffler theory.It even states in the install instructions that the muffler is short lived, because of the oil. Another plus for the use of opti-2. Much less oil going into the exhaust to plug the muffler. The newer mufflers come apart or can be cut apart cleaned out and then rewelded. Good luck
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