Test Running Engine - Mercury MX 6.2 MPI Installation Manual

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 termi-
nal.
3. Connect Power Trim pump BLACK (–) battery cable to negative (–) battery terminal and
trim pump RED (+) battery cable to positive (+) battery terminal.
4. Ensure that all battery terminal connections are tight. Then spray terminals with a bat-
tery connection sealant to help retard corrosion.

Test Running Engine

If engine is to be tested with boat out of water, the propeller must be removed to
avoid injury.
IMPORTANT: If engine is to be tested on land, water must be supplied to seawater
pickup pump. DO NOT run engine above 1500 rpm.
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.
3. Check drive belt tension.
4. Test Audio Warning System in accordance with instructions on instrumentation panel
decal.
5. Start engine and run at idle rpm until water temperature is normal.
6. Watch all gauges for normal readings.
7. Inspect engine compartment for water, oil, fuel and exhaust leaks.
8. Stop the engine and turn the key switch OFF.
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WARNING
WARNING
INDEX
INSTALLATION MANUAL
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