Carburetor For Yamaha YFM350 Moto-4 1987-1990 1992-1995, Big Bear 350 1987-1998

Carburetor for Yamaha YFM350

This carburetor is a replacement fuel delivery unit for Yamaha YFM350 Moto-4 and Big Bear 350 ATVs, mixing air and fuel for the engine across the 1987 through 1998 model years.

Overview

This carburetor for Yamaha YFM350 is a complete replacement unit that meters fuel and air into the engine on Moto-4 and Big Bear 350 ATVs. It is built for riders reviving or servicing older Yamaha 350 machines that need a fresh carburetor instead of a rebuild, and it mounts in the factory intake position.

Built For Performance

• Cast body with internal passages sized for the 350cc single-cylinder engine
• Throttle slide that moves smoothly through the full range
• Float bowl and needle valve assembly for consistent fuel level
• Idle and mixture adjustment screws for tuning
• Mounting flanges and hose fittings that match the stock intake setup

Fits These Machines

• for Yamaha Moto-4 350 (1987-1990)
• for Yamaha Moto-4 350 (1992-1995)
• for Yamaha Big Bear 350 (1987-1998)

On-The-Job Use

• Restoring an older Moto-4 or Big Bear that has sat unused
• Replacing a carburetor with worn jets or a sticking slide
• Routine fuel system service on a 350cc Yamaha ATV
• Getting a trail machine running again after long storage

Specs At A Glance

Good To Know

Q: Is this an original Yamaha carburetor? A: No, this is an aftermarket carburetor made to fit Yamaha YFM350 models. It is not manufactured by Yamaha.

Q: Will it need adjustment after install? A: Most replacement carburetors benefit from idle and mixture tuning once installed. Check the jetting against your altitude and confirm your exact model year before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.