Mid-USA 2024 Catalog

INDEX 1 2 3 4 5 6 7 8 9 10 11 ELECTRICAL SECTION RED PART NUMBERS INDICATE NEW PARTS 1-148 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL 32 Amp 17833 PERFORMANCE CHARGING SYSTEMS FOR BIG TWIN Model & Year Amp Features Part # Big Twin models 1970/1999 32 Standard spline rotor with two rotor spacers. 17833 (except Twin Cam 32 Performance rotor with rotor spacers 17850 & EFI models) integrated into housing. Softail 2001/2006 38 Standard spline rotor. 17851 Description Dimensions Rpls HD Part # Alternator rotor 1.75” O.D. x .93” thick 29961-85 17852 spacer small Alternator rotor 2.81” O.D. x .219” thick 29960-85 17853 spacer large Replacement Parts • These systems are the perfect choice when building a bike from scratch or when upgrading your weaker charging system. • The alternator rotors feature fully encased sets of magnets that have no way of working loose like OEM rotors are known to do. Instead of having just six long magnets like OEM rotors, these rotors have 12 short magnets to match the number of laminated windings found on the stators. • We offer these systems in either 32 amp or 38 amp depending on your amperage requirements. • Our part number 17850 includes our 17829 performance alternator rotor. • All systems include a chrome plated regulator/rectifier. 17853 17852 Charging Systems & Alternator Rotors HIGH OUTPUT CHARGING SYSTEM AND ROTOR FOR BIG TWIN • This 32 amp system features a series type regulator/rectifier that unloads the stator when the battery is at full charge letting the engine spin easier than the OEM shunt type which creates a constant drag. This not only extends the life of the charging system, it increases fuel mileage and frees up horsepower. • The rotor has been upgraded with an improved method of gluing the magnets to prevent them from coming off like the OEM rotors are known to do. • The rotor can be used as a replacement rotor for the OEM 22 amp and 32 amp charging system, but also works in conjunction with the Compu-fire 32 amp charging system. Part 17827 Part 17826 (Rpls. HD 29985-87) 22 & 32 amp Rotor. Charging System Rotor Fits Big Twin 1970/1999 Note: Will not fit Twin Cam & FLT 1995/1999 with EFI. (Rpls. HD 29957-81B) Fits Big Twin 1981/1999 Note: Will not fit Twin Cam & FLT 1997/1998 with EFI.

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