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View Full Version : What size jet to run..



3x440ex
07-07-2003, 09:34 AM
What size jet would you run with these mods..

Chock removed from carb.
Airbox lid removed with w/b air filter.
Head ported.
w/b all around cam
w/b pro meg exhaust.

stock bore/ stock compresion

I'm running a 175 main now... my low end sucks but pulls good around half throtle...

Thanks in advance.

AtvMxRider
07-07-2003, 09:38 AM
I would run a 165 main and a 42 pilot.