Mercury 75 OptiMax User Manual

MAINTENANCE
eng 79
4. Secure the propeller nut by bending three of the tabs into
the thrust hub grooves.
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Spark Plug Inspection and Replacement
!
WARNING
Damaged spark plug boots may emit sparks which can ignite
fuel vapors under the engine cowl, resulting in serious injury or
death from a fire or explosion. To avoid damaging the spark
plug boots, do not use any sharp object or metal tool to remove
the spark plug boots.
1. Remove the spark plug leads. Twist the rubber boots slightly
and pull off.
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2. Remove the spark plugs to inspect. Replace spark plug if
electrode is worn or the insulator is rough, cracked, broken,
blistered, or fouled.
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Mercury 75 OptiMax Specifications

General

Engine Type	2-stroke
Displacement	1526 cc
Horsepower	75 hp
Alternator	60 amp / 756 watt
Cylinders	3
Starting	Electric
Full Throttle RPM Range	5000-5750 rpm
Steering	Remote
Fuel Induction System	2-stage direct fuel injection
Shaft Length	20"
Weight	170 kg