3
1. Fitting
2. Garden hose adapter
3. Garden hose connector
2.
Screw the garden hose adapter onto a
garden hose, which is connected to a
fresh water supply, and then connect it
to the garden hose connector.
3.
With the engine off, turn on the water tap
and let the water flush through the cool-
ing passages for about 15 minutes. Turn
off the water and disconnect the garden
hose adapter from the garden hose con-
nector.
4.
Reinstall the garden hose connector
onto the fitting on the bottom cowling.
Tighten the connector securely. NO-
TICE: Do not leave the garden hose
connector loose on the bottom cowl-
ing fitting or let the hose hang free
during normal operation. Water will
leak out of the connector instead of
1
2
ZMU05096
cooling the engine, which can cause
serious overheating. Be sure the con-
nector is tightened securely on the
fitting after flushing the engine.
[ECM00541]
TIP:
When flushing the engine with the boat in
●
the water, tilting up the outboard motor un-
til it is completely out of the water will
achieve better results.
For cooling system flushing instructions,
●
see page 62.
EMU28450
Cleaning the outboard motor
After use, wash the exterior of the outboard
motor with fresh water. Flush the cooling
system with fresh water.
TIP:
For cooling system flushing instructions, see
page 62.
EMU28460
Checking painted surface of motor
Check the motor for scratches, nicks, or flak-
ing paint. Areas with damaged paint are
more likely to corrode. If necessary, clean
and paint the areas. A touch-up paint is avail-
able from your Yamaha dealer.
Maintenance
ZMU02550
65