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YEAR: 2007 ( PreGen 250F EX250F )
INTAKE MODIFICATIONS: Airbox removal and K&N R-0990
EXHAUST MODIFICATIONS: Yoshimura R&D GP270SSC Full Exhaust (no baffles)
JET KIT OR STOCK? Spare Jets
BRAND OF JET KIT? FACTORYPRO FACTORY PRO
MAIN JET: 115 Factory Pro / Keihin (I'm told sizing is identical)
NEEDLE AND CLIP POSITION: Stock needles with 5 Factory Pro washers
PILOT JET: 40
MIXTURE SCREW SETTINGS: 2.5
ELEVATION: 300ft to 500 ft
MISCELLANEOUS INFORMATION ABOUT YOUR BIKE’S JETTING SETUP:
I should be using a 118 main and 45 pilot. Ordered jets from Jets R Us June 4. Still waiting on ETA & shipping confirmation.
Mixture set via highest idle + 1/8 richer method
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Looking to take some motorcycle classes this Summer?
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