Cleaning The Outboard Motor; Checking Painted Surface Of Motor - Yamaha 90 Owner's Manual

1. Fitting
2. Garden hose connector
3. Garden hose
2. Screw the garden hose connector onto a
garden hose which is connected to a
fresh water supply.
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.
4. When flushing is complete, reinstall the
garden hose connector on the fitting on
the bottom cowling. Tighten the connec-
tor securely.
ECM00540
CAUTION:
Do not leave the garden hose connector
loose on the bottom cowling fitting or let
the hose hang free during normal opera-
tion. Water will leak out of the connector
1
3
2
ZMU04697
instead of cooling the engine, which can
cause serious overheating. Be sure the
connector is tightened securely on the fit-
ting after flushing the engine.
NOTE:
When flushing the engine with the boat in
G
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,
G
see page 43.
EMU28450

Cleaning the outboard motor

After use, wash the exterior of the outboard
motor with fresh water. Flush the cooling
system with fresh water.
NOTE:
For cooling system flushing instructions, see
page 43.
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
ZMU02988
46