MerCruiser 350 MAG MPI Owner's Manual

Section 6 - Storage
Page 90 90-864197070 JUNE 2007
6. Pump air into the system until both green indicators extend and water drains from both
sides of the engine. The port side will begin draining before the starboard side.
6124
a
b
c
d
6125
a
b
c
d
Closed Cooled Models Seawater Cooled Models
a - Blue drain plug location
b - Blue air pump
c - Air manifold
d - Green indicators
21125
a
b
c
d
d
Black Scorpion Models
a - Blue air pump
b - Air manifold
c - Green indicators
d - Blue drain plug locations
7. Verify that water is draining from each opening. If not, use the Three Point Manual
Drain System instructions.
a
6133
b
a - Port side drain location b - Starboard side drain location

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)