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Mercury 75 OptiMax User Manual

Mercury 75 OptiMax
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MAINTENANCE
62 eng
Inspection and Maintenance Schedule
BEFORE EACH USE
Check that the lanyard stop switch stops the engine.
Visually inspect the fuel system for deterioration or leaks.
Inspect the outboard for tightness to the boat transom. If any
looseness of the outboard or mounting fasteners exist,
retorque the outboard mounting fasteners to the specified
torque. When looking for signs of looseness, look for loss of
outboard transom bracket material or paint caused by
movement between the outboard mounting fasteners and
the outboard transom brackets. Also look for signs of
movement between the outboard transom brackets and the
boat transom (lift plate/setback bracket).
Description
Nm lb‑in. lb‑ft
Outboard mounting locknuts and
bolts ‑ standard boat transom
75 55
Outboard mounting locknuts and
bolts ‑ metal lift plates and setback
brackets
122 90
Check steering system for binding or loose components.
Visually check steering link rod fasteners for proper
tightness. See Steering Link Rod Fasteners.
Check propeller blades for damage.
AFTER EACH USE
Flush out the outboard cooling system if operating in salt or
polluted water. See Flushing the Cooling System.
Wash off all salt deposits and flush out the exhaust outlet of
the propeller and gearcase with fresh water if operating in
saltwater.
EVERY 100 HOURS OF USE OR ONCE YEARLY,
WHICHEVER OCCURS FIRST
Lubricate all lubrication points. Lubricate more frequently
when used in saltwater. See Lubrication Points.

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Mercury 75 OptiMax Specifications

General IconGeneral
Engine Type2-stroke
Displacement1526 cc
Horsepower75 hp
Alternator60 amp / 756 watt
Cylinders3
StartingElectric
Full Throttle RPM Range5000-5750 rpm
SteeringRemote
Fuel Induction System2-stage direct fuel injection
Shaft Length20"
Weight170 kg

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