Keihin Racing USA


Main Jets

1001-806-XXX

For Harley Production butterfly carburetors. Sizes #90-#185 available.      Part No.
Keihin Main Jet


99101-393-XXX

For all Honda VB, VD, and VE series carbs. Honda, Kawasaki, CV and CVK Series carbs. Some Honda PD and PE Series carbs. Main Air Jet for FCR. Sizes #90-#200 available.      Part No.
Keihin Main Jet


99101-357-XXX

For CR, FCR, PJ, PWM, PE, PD, and Harley. Sizes #80-#230 available.     Part No.
Keihin Main Jet


N427-27-XXX

For O.E.M. Harley Davidson CV Carbs. Sizes #150-#220 available.      Part No.
Keihin Main Jet




Main Air Jets

99101-393-XXX

For FCR Carbs.      Part No.
Keihin Main Jet


N424-14-XXX

For CR Carbs. The Main Air Jet meters the air entering the needle jet holder. Use smaller number to richen.      Part No.
Keihin CR Main Air Jet




Pilot Jets

N424-24-XXX

For CR Special Carbs. Sizes #35-#82.      Part No.
Keihin Pilot Jet


N424-21-XXX

For PJ, PWK, PWM, and some smoothbores. Sizes #35-#80.      Part No.
Keihin Pilot Jet


N424-22-XXX

For some Honda PE Series carbs. Sizes #35-#80.      Part No.
Keihin Pilot Jet


N424-26-XXX

For some Honda PE Series carbs. Sizes #35-#80.      Part No.
Keihin Pilot Jet


N424-25-XXX

For some Honda PE Series carbs. Sizes #35-#100.      Part No.
Keihin Pilot Jet




Slow Air Jets (FCR)

99101-ZF5-XXX (99101-124-XXX)

For FCR Carbs. Sizes #45-#15.      Part No.
Keihin Slow Air Jet




Starter Jets (CR)

1001-108-XXX

The starter jet adjusts the richness of the starter valve by metering the amount of fuel entering the float bowl.      Part No.
Keihin Starter Jet


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