MerCruiser 350 MAG MPI Owner's Manual

Section 6 - Storage
90-864197070 JUNE 2007 Page 89
14. Before launching the boat, pull up on the manual release valve. Verify that the green
indicators are no longer extended.
a
6135
a - Green indicators
15. Open the seacock, if equipped, or unplug and reconnect the water inlet hose prior to
operating the engine.
BOAT OUT OF THE WATER
NOTE: This procedure is written for the air pump that is attached to the engine. However,
any air source can be used.
1. Place the boat on a lever surface to ensure complete draining of system.
2. Remove the air pump from the engine.
3. Ensure that the lever on top of the pump is flush with the handle (horizontal).
4. Install the air pump on the actuator fitting.
5. Pull lever on air pump (vertical) to lock pump on the fitting.
8293
b
d
e
a
c
a - Actuator fitting
b - Green indicators
c - Manual release valve
d - Air pump
e - Lever (locking)

MerCruiser 350 MAG MPI Specifications

General

Engine Type	V8
Horsepower	300 HP
Ignition System	Electronic ignition
Alternator	65 amp
Compression Ratio	9.4:1
Displacement	5.7L (350 cu in)
Fuel System	Multi-Point Injection (MPI)
Bore x Stroke	4.00" x 3.48" (101.6mm x 88.39mm)