Mercury 200 Optimax User Manual

MAINTENANCE
68
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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3. Set the spark plug gap to specification.
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Spark Plug
Spark plug gap 0.80 mm (0.031 in.)
4. Before installing spark plugs, clean off any dirt on the spark
plug seats. Install plugs finger‑tight, and then tighten 1/4 turn
or torque to specifications.
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.

Mercury 200 Optimax Specifications

General

Gear Ratio	1.75:1
Full Throttle RPM Range	5000-5750 RPM
Horsepower	200 hp
Fuel Induction System	Direct Fuel Injection
Alternator Amp	60 amp
Shaft Length	20 in, 25 in
Starting System	Electric
Steering	Remote