Mercury 150 Operation, Maintenance And Installation Manual page 112

2. Position the fuel primer bulb so the arrow on the side of the bulb is
pointing up. Squeeze the fuel hose primer bulb until it feels firm.
3. Turn the ignition key switch to the "ON" position.
4. Within the first 10 seconds after the key switch has been turned on, move
the remote control handle from neutral into forward gear 3 to 5 times. This
will automatically start the priming process.
NOTE: It may take a few minutes for the pump to complete the priming
process.
PURGING AIR FROM THE ENGINE MOUNTED OIL RESERVOIR TANK
1. Loosen the vent cap on the engine mounted oil reservoir tank.
2. Start the engine.
3. Operate the engine until all the air has vented out and oil starts to flow out
of the tank.
4. Tighten the vent cap.
OUTBOARD INSTALLATION
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