Choosing the right carburetor for a stock Honda or Yamaha 350 ATV can boost starting reliability, throttle response, and overall performance without major modifications. Below is a curated guide to five compatible carburetor kits and replacements designed to fit popular 350cc models from Honda and Yamaha. Each entry highlights fitment, standout features, and how it may impact power delivery and reliability for daily riding, climbing, and work tasks.
| Product | Brand | Key Benefit |
|---|---|---|
| XIKOBY Racing TRX350 Carburetor Kit | XIKOBY | Wide fitment for Rancher/TRX models; improved starting and smoother idle |
| Carbhub Carburetor for Honda Fourtrax | Carbhub | Direct replacement parts with multiple compatible part numbers |
| Carburetor Replacement for Yamaha Big Bear / Moto-4 | Autoparts | Yamaha Big Bear and Moto-4 compatibility restoration |
| SVKZGFZ Carburetor for Yamaha Wolverine / Big Bear | SVKZGFZ | Specific fitment for common Yamaha 350/400 family ATVs |
| YFM350 Carb Fits Yamaha Moto-4 / Warrior | ATRACYPART | Multiple Yamaha models including Moto-4 and Warrior lines |
XIKOBY Racing TRX350 Carburetor Kit For Rancher 350

The XIKOBY TRX350 carburetor kit is designed to fit a broad range of Honda Rancher and TRX350 family models from 2000 to 2006, with added compatibility for related four-wheelers. The kit includes a carburetor with a female heater plug, choke cable, valve, and plunger components to address common failure points. With a focus on high‑performance idle and crisp response, the kit targets easier cold starts and smoother daily operation. The included parts facilitate a more reliable rebuild for older ATVs seeking factory-like behavior.
Fitment notes emphasize alignment with TRX350ES/TRX350FE/TRX350FM/TRX350TE/TRX350TM Rancher 2000-2006, and additional compatibility with older and related models. The advertised performance gains center on eliminating choking needs and improving throttle feel, plus the potential for better top-end response due to a cleaner air-fuel mix. This can be especially helpful when the engine is under load or at higher elevations where fuel metering is critical.
Carbhub Carburetor For Honda Fourtrax 300-350

The Carbhub carburetor is presented as a versatile replacement option with part numbers aligned to multiple Honda models within the Fourtrax family. It covers the 16100-HM5-671, -730, -850 variants and related 16100 series replacements, enabling compatibility with Honda Fourtrax 300/350 and Foreman 400/450 ranges. This kit offers a straightforward rebuild path for owners seeking to restore factory performance without extensive tuning. The emphasis is on reliable metering and fitment to ensure a smooth throttle transition and steady idle across common riding scenarios.
Feature notes indicate a broad compatibility map, which helps reduce online shopping guesswork for weekend warriors and those maintaining older machines. While not as flashy as race-ready units, the Carbhub kit can provide consistent performance and simplify maintenance with a single, widely compatible carburetor solution.
Carburetor Replacement for Yamaha Big Bear 350 / Moto-4

This replacement carburetor targets Yamaha’s Big Bear 350 and Moto-4 350 models from the late 1980s and 1990s. It covers fitment for Yamaha 1987-1998 era 350-class ATVs, delivering restoration options for owners seeking to bring a tired carb back to spec. The listing notes compatibility with the 1987-1995 Moto-4 350 and the 1987-2004 Warrior 350, along with related Kodiak and Wolverine platforms in certain years. Potential benefits include easier starting and steadier low-end response, with a focus on reliable fuel metering for classic Yamahas.
In practice, this type of carburetor replacement helps maintain the smooth, dependable performance riders expect from stock 350 ATVs without resorting to more invasive engine work. It is best suited for riders who value durability and straightforward maintenance in older machines.
SVKZGFZ Carburetor For Yamaha Wolverine / Big Bear 350

The SVKZGFZ version targets Yamaha Wolverine 350 YFM350 and Big Bear 350 YFM350 platforms across multiple model years. It lists fitment for the 1996-2005 Wolverine (and 1999 Big Bear) lineups with 4×4 configurations, addressing common wear points in older ATVs. The description provides specific compatibility notes and a set of size metrics (outer and inner diameters) to help potential buyers verify fitment against intake and air paths. The emphasis is on restoring reliable fuel delivery and consistent idle without extensive tuning, especially for rugged or mixed-terrain use.
Viewers should compare the listed diameters with their intake manifold and air filter housings to ensure a clean, leak-free seal. This carburetor is best suited for riders who want an economical rebuild path that maintains factory-like performance on Yamaha 350 family machines.
YFM350 Carb Fits Yamaha Moto-4 / Warrior

This ATRACYPART offering covers several Yamaha 350-class models, including Moto-4 350 YFM350, Warrior 350 YFM350, and various Kodiak/Wolverine derivatives. The kit presents a complete carburetor solution with compatible intake manifold, spark plug, air filter, and additional hardware. Fitment notes emphasize alignment with 1987-1990 and 1992-1995 Yamaha Moto-4 350, 1987-2004 Warrior 350, and 1987-1998 Big Bear 350 family. The diameter specifications for the intake and air filter sides are provided to guide compatibility checks with OEM components.
Riders who perform periodic carburetor replacements can benefit from the bundled parts kit, which supports easier installation and a comprehensive rebuild path to restore factory-like performance.
Buying Guide: Key Considerations For Carburetor Upgrades On Stock 350 ATVs
- Model compatibility: Check year ranges and model designations (TRX Rancher, Fourtrax, Wolverine, Warrior, Moto-4, etc.) to ensure the carburetor is specified for your exact ATV.
- Intake and air system fit: Compare intake manifold diameters and air filter housing interfaces (inner and outer diameters) to avoid leaks and poor seals that impair performance.
- Choke and start behavior: Some kits emphasize easier cold starts and no-long-warm-up operation. Consider your climate and riding conditions when evaluating these claims.
- Included components: Assess whether the kit provides a full rebuild set (manifold, gaskets, spark plug, air filter, etc.) or a bare carburetor. A complete kit can simplify maintenance.
- Cost vs. benefit: A higher-priced kit may offer broader compatibility and better idle quality, while a simpler replacement may be adequate for maintenance-focused riders.
- Installation complexity: Some units are direct replacements; others may require tuning or ancillary parts (fuel lines, seals). Plan for any required tools and adjustments.
- Riding style and terrain: For steep climbs, soft sand, or rough terrain, a carburetor with reliable metering and a clean air intake can improve throttle response and reliability.
- Warranty and return policy: Confirm the seller’s warranty terms and the ability to return if the fitment or performance does not meet expectations.
In sum, choosing a carburetor for a stock 350 ATV should start with precise model compatibility, then weigh the benefits of smoother idle, easier starting, and improved throttle response against installation effort and ongoing maintenance considerations. The products above offer a spectrum of fitments and features to help maintain or refresh 350-class ATVs from Honda and Yamaha without major engine work.