Ultimax 144-4740U4 Ultimax Pro Belt - 1 31/64in. x 48 1/8in. graphics-grip-tape They have excellent torque retention

They have excellent torque retention properties and will not extrude under high torque load

2014-2021 Yamaha FJR1300ES

1981-1983 Moto-Ski Mirage II

1999-2000 Yamaha WR400F

Smooth hard bore helps prevent interior build up

Ultimax 144-4740U4 Ultimax Pro Belt - 1 31/64in. x 48 1/8in. graphics-grip-tape They have excellent torque retentionUltimax 3 has evolved into Ultimax Pro. Belt features a thicker cross section so more surface area contacts the clutch; this means less slippage over a broader speed range for quicker acceleration. New cog design dissipates heat and aids flexibility. Cooler running belts mean better performance and longer lasting belts. Run cool, run long, run fast with Ultimax Pro. Vehicle Fitment: 1999 Polaris 440 XCR 2000 2002 Polaris 500 RMK 1999 2000 Polaris 500