Flushing Cooling Water Passage; Cleaning The Outboard Motor - Yamaha VF115 Owner's Manual

Maintenance
(2) Spray the outboard motor exterior with
"Yamaha Silicone Protectant". NOTICE:
Do not spray when the engine is run-
ning. Also, do not spray near the si-
lencer or into the engine. Otherwise
the engine could be damaged.
(3) Wax the cowling with a non-abrasive
wax such as "Yamalube Professional
Polish".
EMU40964

Flushing cooling water passage

Perform this procedure right after operation
for the most thorough flushing.
ECM01531
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) Disconnect the garden hose connector
from the fitting on the bottom cowling.
1. Fitting
2. Garden hose connector
(2) Connect the garden hose to the garden
hose connector.
66
[ECM01403]
2 1
1. Garden hose
2. Garden hose adapter (commercially avail-
able)
3. Garden hose connector
(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.
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[ECM01841]