Mercury 75 OptiMax User Manual

MAINTENANCE
80 eng
3. Set the spark plug gap to specifications.
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Spark Plug
Spark plug gap 0.80 mm (0.030 in.)
4. Before installing spark plugs, clean off any dirt on the spark
plug seats. Install plugs finger‑tight, and then tighten to the
specified value.
Description
Nm lb. in. lb. ft.
Spark plug 27 20
Compressor Air Intake Filter
The filter should be changed every 100 hours of operation, or
once a season.
IMPORTANT: Never run the engine without the air filter.
REMOVAL
1. Remove three screws and filter cover from engine.
2. Remove filter from the cover.
a - Cover
b - Filter
INSTALLATION
1. Install filter into cover.
a
b
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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