Carbhub Honda ATV Carburetor Kit — Fits Fourtrax 300/350, Foreman 400/450 & Rancher 350; complete replacement with throttle cable

The Carbhub carburetor kit is a direct-fit replacement for specific Honda Fourtrax, Foreman and Rancher ATVs, delivered as a complete set including throttle cable, filters and fuel line.

If your ATV is experiencing hard starting, poor throttle response, or rough idle due to a worn or clogged carburetor, this Carbhub assembly restores fuel delivery and throttle control with parts matched to Honda part numbers. The unit replaces multiple OEM references and ships with installation items to simplify fitment so you can get back on the trail faster.

Which Honda models and years will this carburetor fit?

This Carbhub carburetor is designed to fit a range of Honda ATVs commonly using the listed OEM part numbers. Double-check your machine’s year and model before ordering to ensure compatibility.

• Fourtrax 300: 1988–2000
• Fourtrax 350: 1986–1987
• Foreman 400: 1997–2004
• Foreman 450: 1998–2004
• Rancher 350: 1987–2000

What’s included in the package and why it matters?

The kit contains the core carburetor plus the common wear items and connectors you’ll need for a smooth installation. Including these accessories reduces trips to the parts store and helps ensure a more reliable rebuild or swap.

• 1x complete carburetor assembly
• 1x black throttle base cover and mounting screw for sealing the cable exit
• 1x replacement throttle cable to reduce stretch or slack issues
• 1x fuel filter, 1x fuel line, 1x air filter (FS-900), 1x oil filter (FS-705)

How does this unit match OEM specifications and part numbers?

The Carbhub assembly is produced to replace multiple Honda part numbers so it can serve several models without modification. Verify the part numbers on your old carburetor or in your service manual to confirm a match.

• Replaces: 16100-HM5-671, 16100-HM5-730, 16100-HM5-850, 16100-HM5-L01
• Also fits: 16100-HC4-013, 16100-HC4-033, 16100-HC4-750, 16100-HC4-840
• Manufactured to align with OEM mounting, throttle, and fuel connections

What should I know before installation?

Because the product line was updated, some early shipments may lack later accessory additions. Inspect the contents on arrival and contact the seller if you receive an older version. Basic hand tools and a clean workspace are recommended for installation.

• Inspect package and parts against the included list before beginning
• Clean mounting surfaces and fuel passages prior to fitting
• Adjust throttle cable free play and check for leaks after installation

Who is this for: This Carbhub carburetor kit is aimed at ATV owners, weekend riders, and small-shop mechanics who need a dependable replacement for worn carburetors on compatible Honda Fourtrax, Foreman or Rancher models. It’s useful for restorations, routine maintenance, or field repairs when an OEM rebuild isn’t available or economical. If you prefer to avoid sourcing multiple small parts separately, the included cable, filters and fuel line make this a practical single-purchase solution.