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Palero · June 13th, 2016, 10:48 AM

YEAR: 2007 ( PreGen 250F EX250F )

INTAKE MODIFICATIONS: Airbox removal and K&N R-0990

EXHAUST MODIFICATIONS: OEM Exhaust

JET KIT OR STOCK? Spare Jets

BRAND OF JET KIT? FACTORYPRO FACTORY PRO

MAIN JET: 108 Factory Pro / Keihin (I'm told sizing is identical)

NEEDLE AND CLIP POSITION: Stock needles with 5 Factory Pro washers

MIXTURE SCREW SETTINGS: 3.75

ELEVATION: 300ft to 500 ft

MISCELLANEOUS INFORMATION ABOUT YOUR BIKE’S JETTING SETUP: No 110 FactoryPro/Keihin available to try. Bike requires little choke in Southern California 75 - 90 degree Fahrenheit weather. Bike would not start with 112 jet.
Pilot left at size 38. Size 40 pilot was too rich-- bike would idle at 0 turns on mixture screw with 40s.
Mixture set via highest idle + 1/8 richer method

June 13th, 2016, 10:48 AM	#134
Palero ninjette.org member Name: Mike Location: Los Angeles, California Join Date: Aug 2011 Motorcycle(s): 1988 Honda Hawk GT 1989 EX250F (Died from left-turning car) 2011 EX250J (Died from SAME left-turning car) Posts: 51	YEAR: 2007 ( PreGen 250F EX250F ) INTAKE MODIFICATIONS: Airbox removal and K&N R-0990 EXHAUST MODIFICATIONS: OEM Exhaust JET KIT OR STOCK? Spare Jets BRAND OF JET KIT? FACTORYPRO FACTORY PRO MAIN JET: 108 Factory Pro / Keihin (I'm told sizing is identical) NEEDLE AND CLIP POSITION: Stock needles with 5 Factory Pro washers MIXTURE SCREW SETTINGS: 3.75 ELEVATION: 300ft to 500 ft MISCELLANEOUS INFORMATION ABOUT YOUR BIKE’S JETTING SETUP: No 110 FactoryPro/Keihin available to try. Bike requires little choke in Southern California 75 - 90 degree Fahrenheit weather. Bike would not start with 112 jet. Pilot left at size 38. Size 40 pilot was too rich-- bike would idle at 0 turns on mixture screw with 40s. Mixture set via highest idle + 1/8 richer method __________________________________________________ Looking to take some motorcycle classes this Summer?