REPLACEMENT PRIMARY BELTS FOR BIG TWIN

All replacement primary belts are fiberglass reinforced HTD type rubber belts (except 77511, 77548 & 77533 that are KEVLAR® reinforced) supplied to us straight from the manufacturer to ensure a positive fit every time. If the needed belt length is not known, determine the number of pulley teeth combination and width for the correct belt.
1937/1984 4 speed with open primary kickstart. 1 1/2" wide. Pulley teeth combo 47 & 76. Belt teeth 144.
By: BELT DRIVES LTD