Maintenance
42
3.
Remove the top cowling and propeller.
4.
Install the flushing attachment over the
cooling water inlet.
CAUTION:
ECM00300
Do not run the engine without supplying
it with cooling water. Either the engine
water pump will be damaged or the en-
gine will be damaged from overheating.
Before starting the engine, be sure to
supply water to the cooling water passag-
es.
CAUTION:
ECM00310
Avoid running the outboard motor at high
speed while on the flushing attachment,
otherwise overheating could occur.
5.
Cooling system flushing is essential to
prevent the cooling system from clog-
ging up with salt, sand, or dirt. In addi-
tion, fogging/lubricating the engine is
mandatory to prevent excessive engine
damage due to rust. Perform the flush-
ing and fogging at the same time.
WARNING
EWM00090
●
Do not touch or remove electrical parts
when starting or during operation.
●
Keep hands, hair, and clothes away
from the flywheel and other rotating
parts while the engine is running.
NOTE:
●
When using the flushing attachment,
maintain adequate water pressure and a
steady water flow.
●
If the overheat warning device is activated,
turn the engine off, and consult your
Yamaha dealer.
6.
Run the engine at a fast idle for a few
minutes in neutral position.
7.
Just prior to turning off the engine, quick-
ly spray “Fogging Oil” alternately into the
intake silencer or the fogging hole of the
silencer cover, if equipped. When prop-
erly done, the engine will smoke exces-
sively and almost stall.
8.
Drain the remained gasoline in the vapor
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-
1. Flushing attachment
ZMU01938
