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Description
Take your performance to new heights with a Jet Kit for your vehicles. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. These Jet Kits take the guesswork out of tuning your vehicles.
Whether you’re rolling with a stock vehicles or you’ve made some modifications, our Jet Kit will optimize your air/fuel ratio to eliminate rough spots and help you take control of your vehicles’s power. You can go with a Stage 1 Jet Kit to give your stock engine a 5% boost of horsepower or send it all the way up to Stage 3 if you’ve already made major modifications to your vehicles.
STAGE 1 DETAILS
Perfect for vehicles with a stock engine using the stock airbox, air filter, and pipes. Stage 1 Jet Kits are engineered to improve throttle response and deliver approximately 5% more horsepower than stock. These kits are fully adjustable to allow the use of well-designed aftermarket pipes and stock replacement air filters, like K&N.
STAGE 2 DETAILS
If you’ve made slight modifications to your vehicles, but still crave more performance, a Stage 2 Jet Kit is the solution. With a Stage 2 Jet Kit, you could see power gains of approximately 8%. This kit is intended for vehicles with stock or mildly tuned engines using a well - designed aftermarket pipe with a modified airbox and a stock replacement air filter.
FEATURES
- 5-8% power range.
- Fully adjustable.
- Increases power and drivability.
- For carbureted vehicles only.
Technical Specifications
- MFG. Part Number 3243
Vehicle Information
Yamaha Warrior 350 ATV (1987-2004)
The Yamaha Warrior 350, produced from 1987 to 2004, was a highly popular sport all-terrain vehicle (ATV) renowned for its robust performance and user-friendly design. It was powered by a consistent 348cc, 4-stroke, single-cylinder, air-cooled engine, delivering 19 horsepower across all model years. This engine featured a SOHC valve configuration, a carburetor intake, and was paired with a 6-speed manual transmission including reverse. While maintaining its core engine specifications, the Warrior 350 underwent several evolutionary changes throughout its 17-year production. Early models (1987-1988) featured a backup pull starter, different rocker arms, and unique A-arms with replaceable ball joints (1987 only). Significant updates in 1989 included moving the engine back for improved stability and a redesigned swingarm. Further modifications in 1994 and 2002 addressed carburetor design, headlight styles, and brake master cylinder features, alongside variations in the electrical system configurations. The model was discontinued in 2004, succeeded by the Raptor 350. FAQ:
Q: Is this product compatible with my Yamaha Warrior 350?
A: To ensure perfect compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Oil Filter | Clean. Replace if necessary. | Generally recommended to replace whenever engine oil is changed. |
| Belt | Not applicable | The Yamaha Warrior 350 uses a drive chain, not a belt. |
| Spark Plug | Inspect regularly | Adjust gap and clean. Replace if necessary if showing signs of wear or damage. |
| Air Filter | Every 20-40 hours | More often in wet or dusty areas. Replace if necessary. |
| Engine Oil | Replace regularly | Change engine oil (warm engine before draining). Consult owner's manual for precise intervals. |
| Coolant | Not applicable | The engine is air-cooled and does not use liquid coolant. |