Checking The Radiator - Yamaha XF50W Service Manual

RADIATOR
EAS00455

CHECKING THE RADIATOR

1. Check:
• radiator fins
Obstruction
Apply compressed air to the rear of the
radiator.
Damage -»
NOTE:
Straighten any flattened fins with a thin, flat-head
screwdriver.
2. Check:
• radiator inlet hose
• radiator outlet hose
• conduit hose
Cracks/damage
3. Measure:
• radiator cap opening pressure
Below the specified pressure
the radiator cap.
Radiator cap opening pressure
107.9 ~ 137.3kPa
(1.1 ~ 1.4kg/cm
• • • • • • • • • • • • • • • • • • • • • • •
a. Install the radiator cap tester 1 and radia-
tor cap tester adapter 2 to the radiator cap
3 .
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 pres-
sure.
• • • • • • • • • • • • • • • • • • • • • • •
4. Check:
• radiator fan
Damage -»
Malfunction
6-2
-» Clean.
Repair or replace.
-» Replace.
-» Replace
2
, 15.6 ~ 19.9psi)
Replace.
-» Check and repair.