Maintenance
66
3.
With the engine off, turn on the water
supply and let the water flush through
the cooling water passages for about 15
minutes.
4.
Turn off the water supply, and then dis-
connect the garden hose from the gar-
den hose connector.
5.
Connect the garden hose connector to
the fitting on the bottom cowling and
tighten it securely.
NOTICE:
If the gar-
den hose connector is not properly
connected, cooling water can leak out
and the engine can overheat during
operation.
[ECM01802]
TIP:
When flushing the cooling water passages
with the boat in the water, tilting the outboard
motor up until it is completely out of the water
will achieve better results.
EMU44342
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.
[ECM01841]
2.
Drain the cooling water completely out of
the outboard motor. Clean the body
thoroughly.
EMU28463
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,
clean and paint the areas. Touch-up paint is
available from your Yamaha dealer.
EMU2850D
Periodic maintenance
WARNING
EWM01872
These procedures require mechanical
skills, tools, and supplies. If you do not
have the proper skills, tools, or supplies to
perform a maintenance procedure, have a
Yamaha dealer or other qualified mechan-
ic do the work.
The procedures involve disassembling the
motor and exposing dangerous parts. To
reduce the risk of injury from moving, hot,
or electrical parts:
Turn off the engine and keep the key(s)
and engine shut-off cord (lanyard) with
you when you perform maintenance un-
less otherwise specified.
1. Garden hose
2. Garden hose adapter (commercially avail-
able)
3. Garden hose connector
2
3
1
ZMU07774
1. Air intake
1
ZMU07856
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