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Yamaha Wolverine 450 Exhaust | HMF Performance Series

  • Yamaha Wolverine 450 Exhaust | HMF Performance Series
  • Yamaha Wolverine 450 Exhaust | HMF Performance Series
  • Yamaha Wolverine 450 Exhaust | HMF Performance Series

Yamaha® Wolverine 450

The Yamaha Wolverine 450 4x4 combines features like 4WD and a fully automatic transmission with light weight, sport-tuned adjustable suspension. With the liquid-cooled 421cc engine, we were able to pick up 8% more horse power with the Performance Series Slip-On exhaust. With the HMF Quiet Core installed, the sound saw a 2-4dB decrease.

Fuel tuning is required learn more

Fuel Tuning is absolutely required when installing an HMF Exhaust on this machine. Failure to tune the engine can cause excessive damage to the exhaust system and engine, while voiding the warranty on your exhaust and possibly on your machine. (check with local dealer). See the tuning settings below for the proper fuel tuning solution on your machine.

Exhaust Systems

Yamaha® Wolverine 450 ATV Accessories

Tuning

Recommended Tuning
140 Mikuni (or equivalent) Small 

HMF Basic Jet Kit Includes
140, 145, 150 Mikuni (or equivalent) Small

Low Speed Fuel

Going down on the number scale will reduce low speed fuel. Going up on the number scale will increase low speed fuel.

Mid Range Fuel

Going down on the number scale will reduce mid range fuel. Going up on the number scale will increase mid range fuel.

High End Fuel

Going down on the number scale will reduce high end fuel. Going up on the number scale will increase high end fuel.

Green Lower Switch Point

Going down on the number scale will turn green mode on earlier. Going up on the number scale will turn green mode on later. These modes typically will not need adjusted from their base setting.

Yellow Lower Switch Point

Going down on the number scale will turn yellow mode on earlier. Going up on the number scale will turn yellow mode on later. These modes typically will not need adjusted from their base setting.

Red Lower Switch Point

Going down on the number scale will turn red mode on earlier. Going up on the number scale will turn red mode on later. These modes typically will not need adjusted from their base setting.

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