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- Fri Oct 19, 2007 7:35 am
- Forum: Motors - 247cc | 305cc | 337cc | 350cc
- Topic: noise in engine
- Replies: 3
- Views: 3840
noise in engine
I have a 65 305 scrambler I restored last year, but ever since I got the bike running, it has a terrible rattle/knock when you hold the throttle at a steady speed around 30-40mph. Its not a rod or spark knock. It sounds like a piston rattle, but I had my machine shop bore the cyls and I put in new w...