NEW Carburetor YAMAHA MOTO-4 YFM 225 CARBURETOR. AFTERMARKET CARBURETOR REPLACES YOUR OLD OEM. Replaces existing stock Carburetor, Just replace and ride again. Give your machine the new power and torque it really deserves, and have more fun with the NEW power at your finger tips. BRAND NEW. 1x Carburetor. EPA Approved. Carburetor mostly fits: YAMAHA MODELS. 1986 – 1988 MOTO-4 YFM 225.