2009 Yamaha 550 Grizzly FI 4x4 ATV Drive Belt [Super Duty] Designed for Higher Horsepower and Big Bore ATV / UTVs Close Tolerance Due to Dedicated Drum Construction Gives Clutching Efficiency Compatibility: 2009 Yamaha 550 Grizzly FI 4x4 Replaces Drive Belt O.E.M. Part #: 28P-17641-0000 We Carry Standard, Super and Severe Duty Drive Belts. Check Our Store For More Options.