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FXR Charging System

References

FXR Charging System References

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Sources

  1. Harley-Davidson, 1984-1986 FXR Models Parts Catalog 99439-86A, alternator and regulator pages 20 and 21 (rotor 29957-81B, stator 29965-81A, regulator 74516-86, bracket 74529-79, all 1984 on; locking plates 29988-73 and screws 2653 for 1984 and early 1985 FXRS and FXRT; screws 2712 and rotor spacers 29960-85 and 29961-85 from late 1985) and battery pages 130 and 131 (battery 65991-82A, 1984 on). Link
  2. Harley-Davidson, 1987-1990 1340cc Parts Catalog 99450-90A, alternator and regulator pages 50 and 51 (FXR 1987 and 1988: stator 29965-81A, regulator 74516-86; FXR 1989 and 1990: stator 29970-88A, regulator 74519-88, stator screws 2720; rotor 29957-81B for all) and battery page 260 (FXR 1987 to 1990: battery 65991-82A). On the Harley-Davidson Service Information Portal. Link
  3. Harley-Davidson parts fiche (Bunbury KTM parts finder), alternator and regulator and battery pages for every FXR model listed, 1982 to 2000, with Harley's current numbers: rotor 29957-81B every year; stator 29965-81C 1982 to 1988 and 29970-88D, "32 amp, single phase", 1989 to 2000; regulator 74516-86 1982 to 1988, 74519-88B 1989 to 1994, chrome kit 74537-93A with ground wire 70041-95 on the 1999 to 2000 FXR2, FXR3 and FXR4; rotor spacer 29960-91A from 1991; battery 65991-82B, "20AH/sealed". Link
  4. Cycle World, "Harley-Davidson FXRT" road test, August 1983. Link
  5. Harley-Davidson, 1982 FLT and FXR Owner's Manual, part no. 99465-82, page 54: alternator output controlled by the control module at the front of the engine. On the Harley-Davidson Service Information Portal. Link
  6. Harley-Davidson, 1985 FLT and FXR Owner's Manual, part no. 99465-85, page 71 (the FXR battery is under the seat) and page 72 (regulator at the front of the engine). On the Harley-Davidson Service Information Portal. Link
  7. Harley-Davidson, 1987 All Models Owner's Manual, part no. 99466-87, page 13 (FXRT with the touring models) and page 35 (FXR models): battery 12 volt, 22 amp hours. On the Harley-Davidson Service Information Portal. Link
  8. Harley-Davidson, 1988 All Models Owner's Manual, part no. 99466-88, page 14 ("FXRT, 19 amp. hr.") and page 40 (FXR, FXRS, FXLR, FXRS-SP: battery 12 volt, 19 amp hours). On the Harley-Davidson Service Information Portal. Link
  9. Harley-Davidson, 1990 All Models Owner's Manual, part no. 99466-90, page 18 ("FXRT, 19 amp. hr.") and page 50 (FXR models: battery 12 volt, 19 amp hours). The 1989 book, 99466-89, prints the same on pages 18 and 46. On the Harley-Davidson Service Information Portal. Link
  10. Harley-Davidson, 1994 All Models Owner's Manual, part no. 99466-94A, page 45: Dyna and FXR models, battery 12 volt, 19 amp hours. On the Harley-Davidson Service Information Portal. Link
  11. Harley-Davidson, 1999 FXR3 Owner's Manual, part no. 99568-99, page 79 (voltage regulator at the front of the engine) and page 100 (battery 12 volt, 19 amp hours). The FXR2 book, 99479-99, matches. On the Harley-Davidson Service Information Portal. Link
  12. Harley-Davidson, 2000 FXR4 Owner's Manual, part no. 99569-00, page 108: battery 12 volt, 19 amp hours. On the Harley-Davidson Service Information Portal. Link
  13. Kip Woodring, "Motorhead Memo: Charge it", Rider Magazine, February 20, 2011: 1981 to 1988 Big Twins 22 amps, 1989 on 32 amps; single phase; a 32 amp system makes about 15 amps at 1,000 rpm and 32 amps (432 watts at 13.5 volts) at 5,000 rpm. Link
  14. Cycle Electric Inc., "Diagnosing Alternator Charging System Problems": 22 amp single phase about 24 volts AC per 1,000 rpm, 32 amp single phase about 18; the plugs tell the systems apart; stator shorts and opens; rotor trouble rare on stock engines. Link
  15. J&P Cycles team, "Step By Step Instructions For Testing Your Harley's Charging System", RevZilla Common Tread, April 5, 2021. Link
  16. HarleyTechTalk forum, "startor plug seaping": primary oil wicks up the stator wires into the plug, the pins burn and corrode. Link
  17. r/Harley, "FXR Charging system woes. Advice needed." (June 2016): burnt regulator plug pins on a 22 amp FXR, oil in the stator plug. Link
  18. V-Twin Forum, "Battery" thread on an early 1985 FXRT with the stock 22 amp system: to go to 32 amps only a stator and regulator are needed, the rotor is the same. Link
  19. V-Twin Manufacturing Big Twin catalog, regulators: 74516-86 replaces the 22 amp regulator on 1982 to 1988 FXR; 74519-88A on 1989 and later 32 amp carbureted Big Twins. Link

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