Drive Belt,Primary 8mm 138T BT 1985-Later 5 Spd W/45/68 Pulley 1-5/8" Wide Bdl-138K, 78138X41
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.
Belt Drives Ltd.
Replacement 1 5/8" wide Kevlar Reinforced Belt
Fits 45-68 tooth combination - 138 teeth
Fits Big Twin 5 speed Late 1985/Later with electric start
Note: Due to the numerous variables of misalignment and improper tensioning upon installation, there is no warranty on belts.