Jetting Question

1 reply to this topic
  • Idaho450

Posted April 02, 2008 - 07:11 PM


So how exactly do you tell when your needle setting and main jet are just right, not too lean, not too rich?

I think I've got the pilot/fuel screw adjustment figured out.


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  • dazzabb

Posted April 03, 2008 - 12:16 AM


Good question, I have pondered this also.

I believe the only EXACT way is to get the bike on the dyno and have the sensors analysing the gases.

No bike dyno's where I live so its just trial and error for the best throttle response and good old plug colour at various throttle openings.


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