DRIVE TRAIN SECTION RED PART NUMBERS INDICATE NEW PARTS 7-72 1 2 3 4 5 6 7 8 9 10 11 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL Belt Drive Kits Belt See 7-78 for replacement clutch parts and 7-79 for replacement starter ring gears. These kits are truly a custom builders delight. Manufactured by Belt Drives Limited (BDL) for unsurpassed quality in the motorcycle industry. All kits include BDL’s “quiet clutch” with Kevlar© fiber plates that virtually eliminates the clutch rattle that is normally associated with open belt drives. Kits are available with your choice of clutch spring, coil type or diaphragm type as listed. Our one piece, CNCmachined billet aluminum motor plate features a double row sealed bearing for maximum strength on the mainshaft. The starter ring gear pocket is recessed into the plate and the starter housing is designed to cover most of the open area of the gear. A side guard is held in place with hex stand-offs and button head allens. We also include a special starter gear. The 4 speed kit is designed for use with ratchet top transmission, 1991/Later starter motor and a 1979/Later 4 speed clutch release arm 44208. Simple modifications will have to be made to the clutch release arm and a small cut out of the oil tank bracket will be needed for starter motor clearance on FX models. Includes instructions. Softail kits include a two piece front pulley consisting of a 3” wide pulley and a splined steel insert. By replacing the included insert with a longer one, found on 7-80 , along with the corresponding alternator mount and offset transmission mounting plate, you can install these belt drive kits on frames designed for wide tire applications. Description Clutch Type Part # Big Twin 4 speed models 1970/1978 with forward controls. Use with 1991/Later OEM starter motor. Coil Spring 77000 47-76 tooth combination. Big Twin 4 speed models 1970/1978 with forward controls. Includes All Balls high torque Coil Spring 77033 1.4 kilowatt starter motor. 47-76 tooth combination. Softail models 1990/2006. 47-72 tooth combination. Coil Spring 77025 Dyna models 1991/2005 with forward controls. 47-72 tooth combination. Coil Spring 77040 FLT 1990/2006 & FXR 1990/1994 models with forward controls. 48-72 tooth combination. Coil Spring 77034 ELECTRIC START 3” 8MM OPEN PRIMARY BELT DRIVE KITS FOR BIG TWIN REPLACEMENT PART Complete Kits Note: Due to the numerous variables of misalignment and improper tensioning upon installation, there is no warranty on belts. Starter Drive Gear Description Part # Replacement Belt. Fits 77025, & 77040 141 teeth. 77522 Replacement Belt. Fits 77000 & 77033. 144 teeth. 77504 Starter Drive Shaft/Gear. Fits 5 speed 3” open belt drive kits. 77300 Starter housing. Fits Softail, Dyna, FLT & FXR kits. 77371 Mainshaft support bearing for motor plate (except Shovelhead). 77399 Mainshaft support bearing c-clip. 77398 Pulley Covers, includes double stick tape and screws for mounting. 77330 Fits 5 speed 3” open drives. Front Pulley without splined insert, 47 tooth. Fits Softail kits 77025, & 77040 77332. Rear Pulley, includes starter gear, installed bearing & round clutch dogs. 77429 72 tooth.Fits 77025, 77034, & 77040. Includes Quiet Clutch Shown Installed 77025
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