MerCruiser 350 MAG MPI User Manual

Section 6 - Storage
Page 120 90-864195070 JUNE 2007
MULTI-POINT DRAIN (MPD) SYSTEM
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M110050
93235672
b
a
a
b
6129
a - Side of cylinder block b - Bottom of exhaust manifolds
a
b
6130
a - Water circulating pump hose b - Fuel cooler to thermostat housing
a
6131
a - Check valve (if equipped)
Air Actuated Single Point Drain System
BOAT IN 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. Close the seacock (if equipped) or remove and plug the water inlet hose.
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.

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)