MerCruiser 5.7 MPI User Manual

Section 6 - Storage
Page 82 90-864197072 NOVEMBER 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
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 5.7 MPI Specifications

General

Engine Type	V8
Fuel System	Multi-Port Fuel Injection (MPI)
Horsepower	300 HP
Ignition	Electronic
Cylinders	8
Fuel Type	Gasoline
Alternator	65 amp
Compression Ratio	9.4:1
Fuel Requirement	87 octane (minimum)
Displacement	5.7L (350 cu in)
Max RPM	5000 RPM