CB 2109cc engine

Former Member

I have the dyno sheet from 3/00 and c. 20,000 miles ago. It shows max hp of 149 at 6,500 rpm. The engine was run up to 7,500 rpm on the dyno by Pat Downs of CB. That seems scary high to a new owner (me). Any advice/experience with safe continuous and maximum rpm? Thanks,
Dan

3/20/0911:59 AM

Original Post

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