The Yamaha Warrior features proven four-stroke technology with a mighty 348cc single-cylinder engine. For even more optimal engine performance, the Warrior is equipped with a large 36mm Mikuni carburetor, which features both slide and butterfly valves to increase air flow and fuel delivery. We were able to take real advantage of this unique design by picking up 8% horse power with our Sport Series Slip-On exhaust. The sound increased 4-6 dB, however, if you need to run quiet from time to time, install the HMF Quiet Core for a 2-4 dB cut.
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Exhaust Series We Recommend:
Developed for optimum performance, the Competition Series picks up great horsepower & gives you 3 different levels of power and sound in 1 exhaust.
Other Exhaust Series Available:
|The HMF Performance Series has a specially designed, unrestricted core that allows the exhaust to increase power evenly throughout the entire power curve. It also features the signature HMF sound with industry-leading end cap and color options, giving you a completely custom look. Learn More |
Each HMF Exhaust:
Whenever you add an after-market exhaust system to your machine, tuning your carburetor is, in most cases, an absolute necessity. The proper jets and EFI settings are extremely important for the performance and lifespan of your machine. Tuning Kits
are available to ensure your machine runs at it's top performance and your HMF Warranty remains valid.
Resources for Warrior (87-04)