Carbhub TRX300 Carburetor for Honda FourTrax 300 TRX300 - Reliable Fit

In this review the Carbhub TRX300 Carburetor is assessed as a practical replacement for older Honda FourTrax 300 models; it is aimed at owners needing a direct-fit carburetor with useful extra parts included. The bottom line is that this carb works well for routine replacement on 1988-2000 TRX300 2x4 and TRX300FW 4x4 machines because it matches multiple OEM part numbers and comes with a package of accessories that simplify install and initial setup.

Key Features

• Compatibility: Fits Honda FourTrax 300 TRX300 2x4 and TRX300FW 4x4 models from 1988 through 2000 so buyers can confidently match their year and drivetrain.
• Multiple replace part numbers: Covers several OEM part numbers including 16100-HM5-671 and 16100-HC4-840, reducing the risk of ordering the wrong unit for older ATVs.
• Accessory kit included: Ships with a black throttle base cover, air filter, spark plug, oil filter, fuel filter, screws and a plunger choke starter valve kit so basic service parts are ready for installation.
• Updated version notice: The item has been upgraded with additional accessories, and seller support is available if customers receive an older version, helping resolve version mismatches.
• Straightforward installation: Reviewers report a good fit and relatively easy swap on late 1990s machines, which saves time compared with sourcing parts individually.

Who It's For

This carburetor is best for FourTrax 300 owners who need a direct replacement rather than a rebuild, particularly those with models from 1988 to 2000 who value having an accessory kit included for a single-stop repair. Mechanics and DIYers who want a unit that lists multiple OEM numbers will appreciate the compatibility guidance when restoring or maintaining older ATVs.

It is less suitable for users who require a factory-new sealed OEM box or who have observed fuel inlet or leakage issues in similar aftermarket carbs and need a guaranteed leak-free warranty solution; such buyers may prefer to check return policies and ask the seller about the most recent upgraded version before purchase.

Pros & Cons

Pros

• Good compatibility across multiple TRX300 years and both 2x4 and 4x4 variants, minimizing fitment guesswork.
• The included air filter, spark plug and filters make the package high value for a single repair job.
• Many customers report straightforward installation and an accurate fit on 1998 and 1999 models.
• Replacement numbers listed help match the part to older machines without disassembly.

Cons

• Some buyers reported fuel leakage and issues with the fuel inlet orientation, so careful inspection at receipt and testing are advisable.
• Because versions were updated, a small risk exists of receiving an older variant unless you confirm the upgraded accessory set with the seller first.

Specifications

Model fit	Honda FourTrax 300 TRX300 1988-2000
Compatible variants	TRX300 2x4 and TRX300FW 4x4
Replaces part numbers	16100-HM5-671, HM5-730, HM5-850, HM5-L01, HC4-013, HC4-033, HC4-750, HC4-840
Package contents	Carburetor, black throttle base cover, air filter, spark plug, oil filter, fuel filter, throttle base cover screws, plunger choke kit
Intended use	Replacement carburetor for maintenance or repair

Our Verdict

The Carbhub TRX300 Carburetor is a practical, value-focused replacement for FourTrax 300 owners who want a compatible unit plus basic service parts in one shipment. It is a sensible choice for DIYers and mechanics restoring 1988-2000 TRX300 models, though cautious inspection for leaks and confirmation of the upgraded accessory version are recommended before installation.

Frequently Asked Questions

Will this carb fit my 1998 Honda FourTrax 300?
Yes, it is listed as compatible with 1998 TRX300 models and other years from 1988 through 2000 for both 2x4 and TRX300FW 4x4 variants.

What comes in the package?
The box includes the carburetor, a black throttle base cover, air filter, spark plug, oil filter, fuel filter, two throttle base cover screws and a plunger choke starter valve kit.

What if I receive an older version without the extras?
The seller notes the product was updated and asks customers to contact them if they receive an older version so they can resolve the discrepancy or provide support.