Carburetors & Parts

Brand Name: BoyesenManufacturer Part Number: APC-3QS Product Description: Boyesen QuickStart - HOT ENGINE KICK STARTING IS NO LONGER A PROBLEM Available for ALL Keihin FCR-equipped MX/Off-road and ATV models. The Patented performance of the proven...

Instant response to throttle movementsReduced hot engine stallingImproved low end performanceNo modification required, simply bolt onFits all Keihin FCR motorcycle and ATV carburetors As always, 21 Motorsports offers FAST and FREE shipping on BOYESEN...

Fiber single-stage replacement reedsEnhance performance at all rpmMatched to OEM specificationsLast longer and better value than other stock reeds on the market As always, 21 Motorsports offers FAST and FREE shipping on BOYESEN part number SSF003...

This setup for two carburetors will get your engine running smoothlyComes with Vacuum gauges, Hoses, Adaptors, Mounting plate, InstructionsTwo sets required for four carburetor modelsProperly synced carburetors are essential for engines with multiple...

The Fuel Adjustment Screw Mag makes dialing in your carb quick and easy. Made from CNC Machined 6061 for precise adjustments. No tools needed to adjust. Fits Keihin FCR carburetors. As always, 21 Motorsports offers FAST and FREE shipping on FACTORY...

Heres an inexpensive kit as an alternative to the costly OEM assemblyTo prevent afterburn generated by a lean fuel mixture when closing the throttle, the cut-off valve temporarily closes the slow-jet air passage, creating an instantly richer...

CARB SLIDE DIAPHRAGMSMade in Japan. Sold ea As always, 21 Motorsports offers FAST and FREE shipping on K&L part number 18-2807. Please look around to find more great items from K&L and all the other great and parts you love!

Each kit contains float bowl gasket (or o-ring), float valve assembly (or float needle) and o-rings to rebuild one OEM carburetor body.Made in Japan. As always, 21 Motorsports offers FAST and FREE shipping on K&L part number 18-2412. Please look around...

Each kit contains float bowl gasket (or o-ring), float valve assembly (or float needle) and o-rings to rebuild one OEM carburetor body.Made in Japan. As always, 21 Motorsports offers FAST and FREE shipping on K&L part number 18-2417. Please look around...

Each kit contains float bowl gasket (or o-ring), float valve assembly (or float needle) and o-rings to rebuild one OEM carburetor body.Made in Japan. As always, 21 Motorsports offers FAST and FREE shipping on K&L part number 18-2416. Please look around...

Each kit contains float bowl gasket (or o-ring), float valve assembly (or float needle) and o-rings to rebuild one OEM carburetor body.Made in Japan. As always, 21 Motorsports offers FAST and FREE shipping on K&L part number 18-2418. Please look around...

Each kit contains float bowl gasket (or o-ring), float valve assembly (or float needle) and o-rings to rebuild one OEM carburetor body.Made in Japan. As always, 21 Motorsports offers FAST and FREE shipping on K&L part number 18-2419. Please look around...