Periodic maintenance an d a djustment
6-46
6 En
gine overheatin g
WARNING
EWA10401
Do not remove the ra diator cap when the en gine an d ra diator are hot.
Scal din g hot flui d an d steam may b e blown out un der pressure, which
coul d cause serious injury. Be sure to wait until the eng ine has cooled.
After removin g the ra diator cap retainin g b olt, place a thick rag , like a
towel, over the ra diator cap, an d then slowly rotate the cap counter-
clockwise to the d etent to allow any resi dual pressure to escape. When
the hissin g sound has stopped , press down on the cap while turnin g it
counterclockwise, an d then remove the cap.
TIP
If coolant is not available, tap water can be temporarily used instead, provided
that it is changed to the recommended coolant as soon as possible.
Wait until the engine
has cooled.
Check the coolant
level in the reservoir
and radiator.Add coolant.
(See TIP.)
The coolant level is
OK.
There is no leakage.
There is leakage.
The coolant level is
low.
Check the cooling
system for leakage.
Have a Yamaha
dealer check and
repair the cooling
system.
Start the engine. If the engine overheats again,
have a Yamaha dealer check and repair the cooling
system.
UB61E1E0.book Page 46 Wednesday, October 21, 2015 11:19 AM
