Outside diameter of pulley: 3in. Keyway: 1/4in. A Belt Size: 5/8in.W B Belt Size: 1/2in.W To be used with A, B V-belts. Bore size is 1in. Engagment RPM
1800-2000. For use up to 8HP. Hilliard Extreme-Duty clutches are
ideal for the everyday demands of go-karts and youth-model
snowmobiles. Thermodynamically designed clutch shoe increases the
clutch's capacity to absorb heat without damaging the clutch
springs, thereby providing a longer service life, even in the most
demanding applications. For use with engines up to 8 HP. USA.
3/4in. bore10 tooth. 41 chain size. Bi-directional operation.
Load-free starting. Overload protection. Easy to install. Integral
key design. Replaceable sprocket. Easy-to-change springs. Tolerates
excessive heat generated by: inexperienced riders, riding with one
foot on brake, riding in soft dirt and tall grass, and frequent
starts and stops. U.S.A.