Maintenance
63
separator with a container. Loosen the
drain screw, and then remove the cap.
Push in the air valve with a screwdriver
to introduce air into the float chamber, so
that the gasoline will drain smoothly.
Then, tighten the drain screw.
9.
Remove the flushing attachment.
10. Install the top cowling.
11. If “Fogging Oil” is not available, turn off
the engine after the 6 step. Then per-
form the 8 step procedure.
12. Drain the cooling water completely out
of the motor. Clean the body thoroughly.
13. If the “Fogging Oil” is not available, re-
move the spark plug(s). Pour a tea-
spoonful of clean engine oil into each
cylinder. Crank several times manually.
Replace the spark plug(s).
TIP:
A flushing attachment is available from your
Yamaha dealer.
EMU28402
Lubrication
1.
Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 70.
2.
Change the gear oil. For instructions,
see page 75. 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-
tails, see page 69.
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.
EMU28443
Flushing power unit
Perform this procedure right after operation
for the most thorough flushing.
NOTICE
ECM01530
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.
1. Vapor separator
2. Drain screw
1. Air valve
2. Cap
1
2
ZMU06413
1
2
ZMU05115
