Moose Offroad Carburetor Repair Kit (OEM Jet Sizes) 1003-0665 - Yamaha YFM400 Big Bear 2000-2012

Product Description

Restore optimal fuel delivery to your ATV with the Moose Offroad 1003-0665 carburetor repair kit. Built explicitly for heavy-duty off-road utility applications, this complete rebuild bundle provides all the necessary components to service worn carburetors and eliminate engine hesitation or rough idling.

Engineered to withstand contemporary fuel blends, this kit utilizes NBR rubber material across all O-rings and rubber gaskets to deliver superior resistance against ethanol deterioration. By exchanging tired original components with precision-matched parts, you ensure reliable fuel metering and consistent engine performance across any terrain.

Top Features: Moose Offroad Carburetor Repair Kit

• NBR rubber material used on all O-rings and gaskets provides excellent resistance to ethanol-blended fuels
• Includes all essential O-rings, gaskets, jets, and the slide needle
• Equipped with a mixture screw, float bowl screws, float valve needle, and seat for a complete internal overhaul
• Pre-configured with OEM jet sizes to preserve factory tuning parameters

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: Does this kit come configured with factory-spec jets?
A: Yes, this repair kit includes OEM jet sizes to maintain proper fuel calibration for your machine.

Q: Are the replacement gaskets resistant to ethanol fuel?
A: Yes, all O-rings and rubber gaskets are constructed from NBR rubber, which offers high resistance to the ethanol present in modern gasoline.

Expert Pro-Tip: When servicing utility ATV carburetors, thoroughly clean all internal fuel circuits and air jets in an ultrasonic cleaner, then blow them out with compressed air before installing new components. Ensure that float height is precisely adjusted to factory specifications to prevent fuel overflow or starvation under steep inclines.

Recommended Pairings:

• All Quads/ATV Performance Parts
• Yamaha 4-Stroke Performance Parts
• Motorcycle Tools

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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