Fits: 1998 Yamaha YFM600FW Grizzly 4×4 ATVDrive BeltDrive BeltSize:1998 Yamaha YFM600FW Grizzly 4×4 ATVDrive Belt For 1998 Yamaha YFM600FW Grizzly 4×4 ATV OEM construction drop-in belt with no clutching adjustmentsTested under econditions in controlled environments as well as race vehiclesViability testing completed to match shift curvesDynamometer testing proves belts outlast other high-performance belts by as much as five timesAdvanced aramid tensile cords and reinforced fiber loaded undercord are used in construction for durability and dependibilityFlat-top or top-cog constructionProprietary measuring technology ensures exact fitConstruction utilizes double and single cog configurations to match OEM belt designs maximizing heat control and flexibility Drive BeltDrive Belt