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Mercury Optimax 150 User Manual

Mercury Optimax 150
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CHARGING & STARTING SYSTEM
90-855347R1 JANUARY 1999 Page 2B-27
TEST 7
a. Connect voltmeter between common engine and Test Point1.
b. Turn ignition key to “Start” position.
No voltage reading:
Defective starter solenoid
12 Volt Reading*
Should hear solenoid click: proceed to TEST 8
TEST 8
a. Reconnect BLACK cable (with YELLOW sleeve) to starter solenoid Test
Point 1.
b. Connect voltmeter between common engine ground and Test Point 7.
c. Turn ignition key to “Start” position.
No voltage reading:
Check BLACK cable (with YELLOW
sleeve) for poor connection or open circuit.
12 Volt Reading*
If starter motor does not turn, check starter motor.
*Battery Voltage
Starter Removal and Installation
Removal
CAUTION
Disconnect battery leads from battery before removing starter.
1. Disconnect BLACK ground cable from starter.
2. Disconnect BLACK cable (with YELLOW sleeve) from starter.
3. Remove 2 upper bolts and 1 lower bolt securing starter and remove starter.
a
c
52135
b
a
b
c
a-BLACK (with YELLOW sleeve) POSITIVE (+) 12-Volt Cable
b-Upper Mounting Bolts
c-Lower Mounting Bolt

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Mercury Optimax 150 Specifications

General IconGeneral
Horsepower150 HP
Engine TypeV6
Alternator Output60 amp / 756 watt
StartingElectric
SteeringRemote
Displacement2.5 L
Fuel Induction System2-Stage Direct Fuel Injection (DFI)
Shaft Length20", 25"
Dry Weight431 lbs (20 in), 439 lbs (25 in)

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