Checking The Radiator; Installing The Radiator - Yamaha YZ85W1 Service Manual

RADIATOR
EAS00455

CHECKING THE RADIATOR

1. Check:
• radiator fins
Obstruction → Clean.
Apply compressed air to the rear of the
radiator.
Damage → Repair or replace.
NOTE: NOTE:
Straighten any flattened fins with a thin, flat-
head screwdriver.
2. Check:
• radiator hoses
Cracks / damage → Replace.
3. Measure:
• radiator cap opening pressure
Below the specified pressure → Replace
the radiator cap.
Radiator cap opening pressure
93 ~ 123 kPa
(0.93 ~ 1.23 kg / cm
psi)
a. Install the radiator cap tester
tor cap tester adapter
.
Radiator cap tester
90890-01325, YU-24460-01
Radiator cap tester adapter
90890-01352, YU-33984
b. Apply the specified pressure for ten sec-
onds and make sure there is no drop in
pressure.
EAS00456

INSTALLING THE RADIATOR

1. Fill:
• cooling system
(with the specified amount of the recom-
mended coolant)
Refer to "CHANGING THE COOLANT" in
chapter 3.
6-2
COOL
2
, 13.2 ~ 17.5
and radia-
to the radiator cap