Mercury Optimax User Manual

MAINTENANCE
72
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
b
29476
a - Cover b - Filter
INSTALLATION
1. Install filter into cover.
2. Fasten filter cover with three screws.
Alternator Belt Inspection
!
WARNING
Inspecting the belts with the engine running may cause serious
injury or death. Turn off the engine and remove the ignition key
before adjusting tension or inspecting belts.

Mercury Optimax Specifications

General

Starting	Electric
Engine Type	2-Stroke
Fuel System	Direct Fuel Injection (DFI)
Displacement	Varies by model (e.g., 1.5L, 1.7L, 2.5L, 3.0L)
Shaft Length	20", 25"
Fuel Tank Capacity	External
Cylinders	Varies by model (e.g., 3, 4, 6 cylinders)