Re: puch polini 4 petal porting ??

tweeder /
This single post is part of a larger thread. Start from the top or view this post in context.

I get how it helps when the reeds are open... more flow into the crank case... but at BDC isn't this essentailly what would be happening?

This single post is part of a larger thread. Start from the top or view this post in context.

Want to reply to this thread?

We'd love to have you join the discussion, but first you'll need to login (or create an account).