Periodic maintenance and adjustment
7-37
7
EAU86420
Engine overheating
WARNING
EWAT1041
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
Place a thick rag, like a towel, over the radiator cap, and then slowly rotate the cap counterclockwise to the
detent to allow any residual pressure to escape. When the hissing sound has stopped, press down on the cap
while turning it counterclockwise, and 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 cool-
ant as soon as possible.
W
a
it
u
ntil the
engine h
as
cooled.
Check the cool
a
nt level in the
re
s
ervoir
a
nd r
a
di
a
tor.
The cool
a
nt level
i
s
OK.
The cool
a
nt level i
s
low.
Check the cooling
s
y
s
tem
for le
a
k
a
ge.
H
a
ve
a
Y
a
m
a
h
a
de
a
ler check
a
nd rep
a
ir the cooling
s
y
s
tem.
Add cool
a
nt. (
S
ee TIP.)
S
t
a
rt the engine. If the engine overhe
a
t
s
a
g
a
in,
h
a
ve
a
Y
a
m
a
h
a
de
a
ler check
a
nd rep
a
ir the cooling
s
y
s
tem.
There i
s
le
a
k
a
ge.
There i
s
no le
a
k
a
ge.
UBEB20E0.book Page 37 Monday, September 6, 2021 11:24 AM
