Cleaning The Outboard Motor; Checking Painted Surface Of Outboard Motor - Yamaha F50 Owner's Manual

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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
NOTICE: Do not leave the garden
hose connector loose on the bottom
cowling fitting or let the hose hang
free during normal operation. Water
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connector securely.
will leak out of the connector instead
of cooling the engine, which can
cause serious overheating. Be sure
the connector is tightened securely
on the fitting after flushing the en-
gine.
[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 76.
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Cleaning the outboard motor

When cleaning the outboard motor, the top
cowling must be installed.
1. Wash the exterior of the outboard motor
using fresh water. NOTICE: Do not
spray water into the air intake.
1. Air intake
2. Drain the cooling water completely out of
the outboard motor. Clean the body thor-
oughly.
EMU28461
Checking painted surface of
outboard motor
Check the outboard motor for scratches,
nicks, or flaking paint. Areas with damaged
paint are more likely to corrode. If necessary,
Maintenance
[ECM01840]
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