Top Cowl Removal And Installation; Exterior Care; Battery Inspection - Mercury 40 Operator's Manual

1. Place the outboard in either the operating position (vertical) or in a tilted position.
2. Remove propeller. Refer to Propeller Replacement.
3. Thread a water hose into the rear fitting. Partially open the water tap (1/2 maximum). Do not open the water
tap all the way, as this allows a high pressure flow of water.
IMPORTANT: Do not run engine above idle when flushing.
4. Shift outboard into neutral. Start the engine and flush the cooling system for at least 5 minutes. Keep engine
speed at idle.
5. Stop the engine. Turn off the water and remove hose. Reinstall the propeller.

Top Cowl Removal And Installation

REMOVAL
1. Unlock the rear latch by pushing lever down.
2. Lift rear of cowl and disengage front hook.
INSTALLATION
1. Engage the front hook and push cowl back over the cowl seal.
2. Push cowl down and move the rear latch lever up to lock.

Exterior Care

Your outboard is protected with a durable baked enamel finish. Clean and wax often using marine cleaners and
waxes.

Battery Inspection

The battery should be inspected at periodic intervals to ensure proper engine starting capability.
MAINTENANCE
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