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Here is a progress report.

I gave the carb a good clean and replaced the 35 pilot jet with a 30.

When I unscrew the idle air screw (when it is rich at one turned unscrewed), I now have success with the engine speed rising to a peak and then dropping as it gets too lean. Maximum revs and smoothness is at about 2 1/2 turns out


But I found a 230 main jet with the 2.0 main air jet.

From what I read, it seems most find the 240 main jet better.

The engine seems to run fine and pull well at 1/2 to full throttle.

Should I go to a 240 or should I perhaps raise the needle a notch and see how the bike performs?

or should I drop the needle until I get surging at 1/2 throttle and poor performance then raise the needle one notch


With thanks

Dennis


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