Maintenance
70
(2) Change the gear oil. For instructions,
see page 87. Inspect the oil for the pres-
ence of water that indicates a leaky seal.
Seal replacement should be performed
by an authorized Yamaha dealer prior to
use.
(3) Grease all grease fittings. For further de-
TIP:
For long-term storage, fogging the engine
with oil is recommended. Contact your
Yamaha dealer for information about fogging
oil and procedures for your engine.
EMU28446
Flushing power unit
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
overheating can result.
(1) After shutting off the engine, unscrew
the garden hose connector from the fit-
ting on the bottom cowling.
(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 connector securely.
NOTICE:
Do not leave the garden
hose connector loose on the bottom
cowling fitting or let the hose hang
free during normal operation. Water
1. Fitting
2. Garden hose adapter
3. Garden hose connector
1
3
2
ZMU08777
6HY-9-71-1E0.book 70 ページ 2019年12月4日 水曜日 午後2時51分