Priming Procedure - Method 1 - Mercury 225 EFI Service Manual

3.0 litre work, electronic fuel injection
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New engine
Rebuilt Powerhead
New Powerhead
Oil system ran out of oil
Oil drained from oil supply hose feeding pump
Oil pump removed
Oil injection hoses drained
Priming Procedure – Method 1
METHOD 1 – SHIFT SWITCH ACTIVATION PRIME PROCEDURE
Before starting engine for the first time, prime the oil pump. Priming will remove any
air that may be in the pump, oil supply hose, or internal passages.
a -
To prevent damage to the fuel pump, fill the engine fuel system with fuel. Other-
wise the fuel pump will run without fuel during the priming process.
Prime the oil injection pump as follows:
1. Fill the engine fuel system with fuel. Connect fuel hose and squeeze primer bulb until
it feels firm.
2. Turn the ignition key switch to the "ON" position.
3. 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.
90-884294 OCTOBER 2001
Conditions Requiring Priming the Oil Pump
Condition
Oil Injection Pump
OUTBOARD MOTOR INSTALLATION
Priming Procedure
Use Method 1 or 2
Use Method 1 or 2
Use Method 1 or 2
Use Method 3
Use Method 3
Use Method 3
Use Method 3
b
a
b -
CAUTION
N
F
Oil Supply Hose
Page 1D-17

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