Description

An electric starter motor is mounted horizontally in front of the front cylinder block. Figure 5 shows a schematic of the starting system and its components.

The electric starting system requires a fully charged battery to provide the large amount of current required to operate the starter motor. The alternator and a voltage regulator/rectifier, connected in circuit with the battery, keep the battery charged while the engine is running. The battery can also be charged externally.

The starter relay, located under the left-hand frame side cover, carries the heavy electrical current to the motor. Depressing the START switch allows current to flow through the starter relay coil. The starter relay contacts close and allow current to flow from the battery through the starter relay to the starter motor.

NOTE

The automatic compression release control system is combined with the starting system.

CAUTION Do not operate an electric starter motor continuously for more than 5 seconds. Allow the motor to cool for at least 15 seconds between attempts to start the engine.

Troubleshooting

Before troubleshooting the starting circuit, make sure that:

a. The battery is fully charged.

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