laffoonparts TRX90 Carburetor Kit for Honda TRX90/TRX90EX — Complete Replacement w/ Air & Fuel Filters (1993–2014)

laffoonparts TRX90 carburetor kit replaces worn OEM units to restore fuel delivery and improve throttle response for Honda TRX90/TRX90EX Sportrax models.

If your FourTrax 90 shows poor throttle, hard starting, or uneven idling, a fresh carburetor plus new air and fuel filters can address common wear-related issues. This replacement assembly corresponds to OEM part numbers 16100-HP2-673 and 16100HP2673 and is supplied as a complete kit so you can swap the whole fuel intake system without hunting for extra pieces.

Will this fit my Honda TRX90 or TRX90EX?

This laffoonparts kit covers a broad range of small Honda ATVs. Confirm fitment by matching your engine model and OEM part number listed in your service manual or on the existing carburetor.

• Compatible with TRX90 (Sportrax) model years 1993–2005.
• Compatible with TRX90EX / FourTrax 90 model years 2006–2014.
• OEM reference numbers: 16100-HP2-673, 16100HP2673 — verify before ordering.

How does this kit improve engine performance?

Replacing an aged carburetor and clogged filters restores proper air–fuel mixture and combustion efficiency. That can reduce stumbling, improve throttle response, and make cold starts easier without major engine work.

• New carburetor corrects issues from internal rust and worn components.
• Fresh air and fuel filters prevent debris from entering the carb and engine.
• Designed to deliver the intended fuel metering for everyday riding conditions.

What comes in the package and what tools will I need?

The kit ships complete with the carburetor and replacement filters plus small mounting hardware to simplify installation. Most home mechanics can install it with basic hand tools in a garage or driveway.

• Included: 1 carburetor, 1 air filter, 1 fuel filter, and required accessories as shown in photos.
• Typical tools: screwdrivers, pliers, socket or wrench set, and possibly a gasket scraper.
• Allow time for fuel line reconnection and a brief idle adjustment after installation.

Are there any installation tips or important notes?

Double-check hoses and clamps for wear when replacing the carb to avoid leaks. If you’re unsure about compatibility, consult your parts diagram or contact the seller to prevent incorrect purchases.

• Confirm engine model and part number before buying.
• Replace worn gaskets and hoses during installation for best results.
• Run the engine and fine-tune idle mixture and throttle response after fitting.

Who is this for: This laffoonparts TRX90 carburetor kit is intended for owners and DIY mechanics restoring performance on Honda TRX90 or TRX90EX Sportrax / FourTrax 90 ATVs built between 1993 and 2014. It’s suited for riders wanting a direct-replacement carburetor assembly with filters included so the machine returns to reliable running without needing a full engine overhaul.