Charging and Starting System
Page 2B-2 90-8M0050731 MAY 2011
Charging and Starting Specifications
Charging and Starting Specifications at 21 °C (70 °F)
Alternator output (regulated)
Output at the battery at 2000 RPM 28–36 A
Output at the alternator at 2000 RPM 42–48 A
Voltage set point 14.5 ± 0.25 volts
Regulator current draw
1.
Ignition switch "OFF" 0.585 mA
Ignition switch "ON" 150.0 mA
Starter draw
Under load 200 A
No load 65 A
Average engine RPM when cranking 300–325 RPM
Starter solenoid current at 12.6 volts
Pull in coil 40 A
Hold in coil 10 A
Start solenoid current draw 4 A
Starter brush length (minimum) 6.35 mm (0.25 in.)
Battery rating (minimum)
Marine cranking amperes 1000
Cold cranking amperes 800
Ampere hour (Ah) 180
Lubricants, Sealants, Adhesives
Tube Ref No. Description Where Used Part No.
25
Liquid Neoprene
Starter brush lead connection
Starter ground wire connection
92- 25711 3
95
2-4-C with Teflon
Bushing and belt tensioner arm assembly
Battery terminal bolts
Belt tensioner
Solenoid actuating plunger
92-802859A 1
Special Tools
Flywheel Holding Tool 91‑ 52344
Holds and/or turns the flywheel while making engine repairs, also used to torque
the flywheel or the engine coupler
Protector Cap 91‑ 24161
Protects the crankshaft when removing the flywheel; use with flywheel puller
(91‑849154T 1)
1. All model alternator specifications require an amperage draw of less than 1.0 mA with the ignition key in the "OFF" position and an amperage draw
of not more than 350.0 mA with key in the "ON" position.
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