Battery Specifications:

• Amphere Hour Capacity

36 and 48

• Catalog Number

974 and 1904

• Cold Cranking Amperes

390 and 550

• Replacement Model

26R-50S

• Reserve Capacity Minutes

71

• Test Load Amperes

190 and 220

Drive Belt Tension:

• Drive Belt Deflection-New Belt

5-7 mm at 10 kg

0.20-0.27 in at 22 lbs

• Drive Belt Deflection-Used Belt

6-8 mm at 10 kg

0.24-0.31 in at 22 lbs

Ignition System:

• Secondary Wire Resistance 1.6L

4K-10K ohms/m (1.2K-3.0K ohms/ft)

• Spark Plug Gap

1.0-1.1 mm

0.039-0.043 in

Generator Specifications:

• Brush Length--Standard

16 mm

0.63 in

• Brush Length--Minimum

2 mm

0.08 in

• Condenser Capacity

0.5 microfarads

• Direction of Rotation

Clockwise (Viewed From Pulley Side)

• Maximum Generator Output

60 and 70 amps

• Maximum Generator Speed

18,000 RPM

• Normal Operating Voltage

12 volts

• Polarity Negative (-) Ground No-Load Generator Speed

1,300 RPM

• Regular Voltage

14.4-15.0 volts

• Rotor Slip Ring Resistance

2.5-2.9 ohms

• Temperature Range

-30 to 90°C

-22 to 194°F

Starter Motor Specifications:

• Brush Length--Standard 1.2kW

12.3 mm

0.44 in

• Brush Length--Minimum 1.2kW

7 mm

0.28 in

• Brush Length--Standard 1.4kW

16.5 mm

0.65 in

• Brush Length--Minimum 1.4kW

12.0 mm

0.47 in

• Commutator Run-Out--Standard

0.05 mm

0.002 in

• Commutator Run-Out--Maximum

0.40 mm

0.015 in

• Commutator Outside Diameter--Standard

29.4 mm

1.16 in

• Commutator Outside Diameter--Minimum

28.8 mm

1.13 in

• Commutator Insulation Depth--Standard

0.4-0.6 mm

0.015-0.023 in

• Commutator Insulation Depth--Minimum

0.2 mm

0.008 in

• Direction of Rotation

Clockwise (as viewed from pinion)

• Number of Pinion Teeth

8

• Output

1.2 and 1.4 kwatts

• Rating

30 seconds

• Solenoid Operating Voltage

8 volts maximum

• Starter Motor Current Draw--No--Load-1.2 kW

90 Amps maximum at 11 Volts at 2500 RPM

• Starter Motor Current Draw--No--Load--1.4 kW

90 amps max. at 11 volts at 3000 RPM

• Starter Motor Current Draw--Load -1.2 kW (11 N·m / 97 lb in of torque 880 RPM)

300 amps at 7.5 volts

• Starter Motor Current Draw--Load -1.4 kW (10 N·m / 89 lb in of torque 1000 RPM)

300 amps at 7.7 volts

• Starter Motor Current Draw--Locked Rotor -1.2 kW (20 N·m / 14 lb ft of torque)

760 amps max. at 4 volts

• Starter Motor Current Draw--Locked Rotor -1.4 kW (23 N·m / 17 lb ft of torque)

980 amps max. at 4 volts

• Voltage

12 volts