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rejetting after piston swap


biglaaa

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Jetting for 65/70* won't be enough for 20*

Sure it will, motor won't need the extra fuel with a hole in each piston.

 

 

OP, ride it and get it nice and dialed to where you feel comfortable with it.

Then once weather starts to change and temp drops, you will need to jet to compensate. Pilot not so much, it'll probably be fine down to 40 ish with air screw adjustments, but every 15-20 degrees colder will need to see a needle and main change.

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