Re: Largest size for an exhaust 0.71 bore or?

Dirty30 Dillon /
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Ken's got 3 videos that are somehow a response to any question.

He was asking a technical question, not for opinions or advice on how to build his bike to ride in the Midwest.

If you want a Scientific approach, Alex Degnes' (2strokestuffing) cylinder examples and calcs are just about the most wild you can manage. Read back through some of Jbots threads too to see trial and error for aux exh ports and such.

In reality, a safe place to start is 2/3 bore and massage from there.

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