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54001 1084 Gear Set 1990-1993
Big Twin with 9:66 Gear Set
54002 1084 Gear Set 1994-1997
Big Twin with 10:102 Gear Set
54003 1084 Gear Set 1998 Later
Big Twin with 10:102 Gear
Set
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Compu-Fire
1084 Gear Set
The Compu-Fire 1084 gear sets are engineered to increase
the starter motor torque by lowering the gear ratio of the
pinion gear to the clutch ring gear. When used as a replacement
for the 9:66 ratio gear sets, a 15% increase in torque is
obtained. They are also used as replacements for the weak
10:102 ratio gear sets which are prone to breaking on late
model Big Twins.
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Voltage Regulators
The Compu-Fire voltage regulators have series type circuitry
which allows both the stator and regulator to operate at
a lower temperature by controlling the stator output. When
the battery reaches full charge, the stator output is switched
off by the regulator. The output voltage of the regulator
is calibrated to meet the charging requirements of modern
maintenance free batteries. The regulators are available
in a chrome billet or black finned case.
55120 32 AMP 1989-1999
Black Finned Big Twin Case, OE P/N 74519-88A
55121 22 AMP 1981-1988 Black Finned
Big Twin Case, OE P/N 74516-86
55125 22 AMP 1991-1999 Black Finned
Sportster Case, OE P/N 74523-91
55130 32 AMP 1989-1999 Chrome Billet
Big Twins & Case
Aftermarket
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3Phase Charging System
38 Amp Replaced
by 40 Amp 3Phase Charging System
The Compu-Fire 40 AMP 3 Phase charging systems provide 25
AMPS at idle and 40 AMPS continuously above 2800 RPM. The
unique narrow rotor and stator combination fits Softail/Dyna
primary cases and the voltage regulator bolts on without
any frame modifications. The precision balanced vented
rotor keeps the stator cooler in closed primary systems
to maintain maximum output under all high current draw
conditions. The large flanged seal spacer provides maximum
support for the rotor and the voltage regulator output
is calibrated to 14.25 volts from idle on up.
55560 1981-1999
EVO Big Twin includes vented rotor (aftermarket engine, closed
primary systems)
55565 2003 to 2006
Twin Cam
(includes vented rotor)
55570 1981-1999 EVO Big Twin with belt primary drive (includes non vented rotor,
aftermarket engine)
55575 2003 to 2006
Twin Cam Engines with belt primary drive
(includes non vented rotor)
P/N 55566 1999 to 2002 Twin Cam and Aft/Mkt Twin Cam engines*
with closed primary systems. Includes vented rotor.
P/N 55576 1999 to 2002 Twin Cam and Aft/Mkt Twin Cam engines*
with belt type primary systems. Includes non-vented rotor.
* Check with Aft/Mkt engine supplier for charging system
fitment.
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Mechanical
Advance Ignition Modules
The Compu-Fire mechanical advance modules are used to convert points type ignitions
to electronic ignitions in 1970 and later Big Twins and Sportsters. They may
also replace the Prestolite type modules and H-D electronic advance modules with
the addition of an OE style mechanical advancer.
20100 Dual Fire Module 1970-Up Big
Use with Blue Rotor Twins and (included) Sportsters with points ignition
20200 Single Fire Module 1970-Up Big
Use with Red Rotor Twins and (included) Sportsters with points ignition
P/N 50108 is replacement trigger rotor for Compu-Fire Electronic
Advance Ignition Modules.
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Selectable Advance
Ignition Modules
The Compu-Fire selectable advance
curve ignition modules are the most user friendly ignitions on the
market. They feature a NEW range of advance curves to meet the needs of
engines from stock to wild. The large rotary switches allow advance
curve and RPM limiter selection. Easy installation is made possible with
a built in LED static timing light. The modules feature extended
temperature and low voltage operation with soft start circuitry for easy
starting. The modules operate with single fire or dual fire coils and
the VOES is tuneable.
Use with P/N 51105 Tach Adapter for single fire coil tach signal.
20600 Ignition Module
Kit for stock to mild performance
1970-Later Big Twins and Sportsters (except Twin Cam)
21835 Street High Compression Ignition Module
1970-Later Big Twins and Sportsters for electric start (except Twin Cam)
21835K5 Street High
Compression Ignition Module for kick start
1970-Later Big Twins and Sportsters with kick start
21860 Super Sport
Race Ignition Module 1970-Later Big Twins and Sportsters with selectable
retard* (except Twin Cam)
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32 AMP Charging Systems
55520 32 AMP 1981-1999 (Narrow Stator/Rotor) EVO Big Twins
55522 32 AMP 1998-Later Twin Cam (w/carb)
55540 32 AMP EVO Style (Narrow Stator/Rotor) Aftermarket Engines
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The Compu-Fire charging systems include the three components
necessary to keep the battery charged for Evo and Twin Cam
engines. The systems include a custom wound stator with the
correct engine case plug, a precision balanced rotor with the
magnets permanently attached and the splined center hole designed
to properly fit either OE or Aftermarket engines, and a black
finned series type voltage regulator with the voltage output
calibrated to meet maintenance free battery requirements.
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Compu-Fire Alternator Rotors
The Compu-Fire rotors are stamped from a magnetic grade high iron content ferrous steel. The magnets are permanently attached with a proprietary gluing process and then the assembly is dynamically balanced to exceed factory specifications. The splined hole is properly sized to fit either OE or Aftermarket engines and spacer washers are supplied to fit all applications.
55600 32 AMP 1981-1999 OE P/N H-D EVO Engines 29957-81B
55650 32 AMP 1981-1999 Rep. for EVO - Big Twin System (aftermarket) 55540
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The
words Harley-Davidson®, Big Twin, Evolution, Softail, FXR
and Sportster™ are registered trademarks of
Harley-Davidson, Inc, Milwaukee, WI Copyright © 1997 |
