GASOLINE STERNDRIVE INSTALLATION MANUAL
90-860172011
Page 107 of 137
BATTERY CONNECTION
IMPORTANT: Engine electrical system is negative (–) ground.
1. Connect engine positive (+) battery cable (usually RED) to positive (+) battery terminal.
2. Connect engine negative (–) battery cable (usually BLACK) to negative (–) battery
terminal.
3. Connect Power Trim pump BLACK (–) battery cable to negative (–) battery terminal and
trim pump RED (+) battery cable to positive (+) battery terminal.
4. Make sure that all battery terminal connections are tight. Then spray terminals with a
battery connection sealant to help retard corrosion.
Test Running Engine
WARNING
Avoid Injury: If engine is to be tested with the boat out of the water, the propeller
must be removed to avoid injury.
CAUTION
Overheating from insufficient cooling water will cause engine and drive damage.
Ensure that there is sufficient water always available at the water inlet holes during
operation.
BOAT OUT OF THE WATER
For engine operation tests with the boat out of the water:
IMPORTANT: If using a flushing attachment over the water inlet holes and a water
hose as shown, do not use full water source pressure.
1. Install a flushing attachment over the sterndrive water inlet holes.
2. Connect a hose between the flushing attachment and a water source.
3. Open the water source about 1/2 maximum. DO NOT use full water pressure.
70564
a
b
a -
Flushing Attachment
b -
Water Hose
IMPORTANT: Engines with the sterndrive water inlet blocked off at the gimbal
housing and using a through the hull water inlet, need a supply of cooling water
available to both the sterndrive unit and to the engine during operation.