Jetting Recommendations / Yamaha
The Big Bear 400 features Yamaha’s proven air-cooled, torque-producing 386cc SOHC four-stroke e...
The Yamaha Bruin 350 comes in a 2x4 and 4x4 model and features a 348cc, 4-Stroke Single, Air/Oi...
The Yamaha Grizzly 348cc, 4-stroke, air-/oil-cooled single; SOHC. We developed the HMF Perfor...
The Yamaha Grizzly 450 is not just a Grizzly 700 with a smaller motor thrown in; it’s an entire...
The engine of the Yamaha Grizzly 550 EFI used the 700cc engine as its base. With redesigning th...
The Yamaha Grizzly 600 was the first installment to the Grizzly family. We took full advantage...
The Yamaha Grizzly 660 has a patented five-valve cylinder engine design that produces a potent ...
Powered by an electronically fuel-injected 686cc liquid-cooled, four-stroke engine that's based...
The Yamaha Kodiak 400 has a liquid-cooled, 401cc, SOHC, 4-stroke engine that is the best-perfor...
The lightweight mid-size Yamaha Kodiak 450 comes fully loaded with all of the features you need...
When we were working with t he Raptor 125, we saw the need for an engine mod. With the changes...
The Yamaha Raptor 250 revolutionized the market when it was released with class leading horsepo...
The Yamaha Raptor 350 is a torquey, powerful, and super-durable air/oil-cooled SOHC 348cc four-...
During aggressive riding, the Yamaha Raptor 660's commonplace motor can, without trouble, outri...
America's best selling ATV, the Yamaha Raptor 700 features a 686cc fuel-injected engine that ma...
Spark Arrestor is not included. Call 866.HMF.PIPE if you would like one installed. ...
The Yamaha Warrior features proven four-stroke technology with a mighty 348cc single-cylinder e...
The Yamaha Wolverine 350 comes features a 421cc liquid-cooled 4-stroke; SOHC, 2 valve engine. ...
The Yamaha Wolverine 350 sports an air/oil-cooled 348cc engine feeding Yamaha's Ultramatic tran...
The Yamaha Wolverine 450 4x4 combines features like 4WD and a fully automatic transmission with...
