GASOLINE STERNDRIVE INSTALLATION MANUAL
Page 108 of 137
90-860172011
4. On Engines With Through The Hull Water Inlet: Supply sufficient cooling water to the
engine.
5. Proceed to Testing.
BOAT IN THE WATER
For engine operation tests with the boat in the water:
IMPORTANT: If using a test tank the water level must be above the water inlet holes
on the sterndrive unit or the through the hull pickup.
1. Ensure that the water level is above the water inlet holes on the sterndrive or the through
the hull pickup.
70099
b
a
Sterndrive Water Inlet (Through The Hull Similar)
a -
Minimum Water Level
b -
Water Inlet Holes
2. Proceed to Testing.
TESTING
WARNING
Do not leave helm unattended when making test with boat in the water.
1. Ensure that cooling system drain plugs, petcocks and hoses are installed and tight.
NOTE: Refer to appropriate Mercury MerCruiser Operation, Maintenance and Warranty
Manual for operating specifications. Refer to appropriate Mercury MerCruiser Service
Manual for fluid capacity information.
2. Check crankcase oil level.
IMPORTANT: Oil level in monitor will rise and lower during drive operation. Always
check oil level when drive is cool and engine is shut down.
3. Check sterndrive unit oil level in the monitor.
4. Check drive belt tension.
5. Test Audio Warning System in accordance with instructions on instrumentation panel
decal.
6. Supply water to the engine either by putting boat in the water or by using the correct flush
device.