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Mercury 40 Service Manual

Mercury 40
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CHARGING AND STARTING SYSTEM
90-828631R3 MARCH 1999 Page 2B-13
Starting System Components
The starting system consists of the following components.
1. Battery
2. Starter Solenoid
3. Neutral Safety Switch
4. Starter Motor
5. Ignition Switch
Description
The function of the starting system is to crank the engine. The battery supplies electrical
energy to crank the starter motor. When the ignition switch is turned to “START” position,
the starter solenoid is activated and completes the starting circuit between the battery and
starter
.
The neutral start switch opens the start circuit when the shift control lever is not in neutral.
This prevents accidental starting when engine is in gear
.
CAUTION
The starter motor may be damaged if operated continuously. DO NOT operate con-
tinuously for more than 30 seconds. Allow a 2 minute cooling period between start-
ing attempts
.
Troubleshooting the Starting Circuit
Before beginning the starting circuit troubleshooting flow chart, following, check first for the
following conditions:
1. Make sure that battery is fully charged.
2. Check that control lever is in “NEUTRAL” position.
3. Check terminals for corrosion and loose connections.
4. Check cables and wiring for frayed and worn insulation.
5. Check 20 Amp fuse.

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Mercury 40 Specifications

General IconGeneral
BrandMercury
Model40
CategoryOutboard Motor
LanguageEnglish

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