Flushing Power Unit; Cleaning The Outboard Motor - Yamaha F75 Owner's Manual
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Also See for F75:
- Owner's manual (104 pages) ,
- Installation manual (224 pages) ,
- Maintenance manual (36 pages)
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Maintenance
EMU28446
Flushing power unit
Perform this procedure right after operation
for the most thorough flushing.
ECM01531
NOTICE
Do not perform this procedure while the
engine is running. The water pump may be
damaged and severe damage from over-
heating can result.
1.
After shutting off the engine, unscrew the
garden hose connector from the fitting
on the bottom cowling.
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.
74
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 cowl-
ing fitting or let the hose hang free
during normal operation. Water will
leak out of the connector instead of
cooling the engine, which can cause
serious overheating. Be sure the con-
nector is tightened securely on the fit-
ting after flushing the engine.
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 71.
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.
connector
securely.
[ECM00542]
[ECM01841]
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