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Mercury 135 Optimax User Manual

Mercury 135 Optimax
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MAINTENANCE
45
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.
IMPORTANT: Never run the engine without the air filter.
REMOVAL
1. Remove flywheel cover from engine.
2. Snap out the retainer and remove filter.
ob01559
a
b
a - Retainer b - Filter
INSTALLATION
1. Install filter into cover.
2. Secure filter into cover with retainer.
Alternator Belt Inspection
1. Inspect the alternator belt and have it replaced by an authorized dealer if any of the following conditions are
found.
a. Cracks or deterioration in the rubber portion of the belt.
b. Belt surfaces rough or uneven.
c. Signs of wear on edges or outer surfaces of belt.

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Mercury 135 Optimax Specifications

General IconGeneral
BrandMercury
Model135 Optimax
CategoryOutboard Motor
LanguageEnglish

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