Checking The Radiator - Yamaha YZF-R6 99 Service Manual

RADIATOR
EAS00455

CHECKING THE RADIATOR

1. Check:
S radiator fins
Obstruction ! Clean.
Apply compressed air to the rear of the radia-
tor.
Damage ! Repair or replace.
NOTE:
Straighten any flattened fins with a thin, flat-
head screwdriver.
2. Check:
S radiator hoses
Cracks/damage ! Replace.
3. Measure:
S radiator cap opening pressure
Below the specified pressure ! Replace the
radiator cap.
Radiator cap opening pressure
110
(1.1
1.4 bar)
a. Install the radiator cap tester 1 and adapter
2 onto the radiator cap 3 .
Radiator cap tester
90890-01325
Adapter
90890-01352
b. Apply the specified pressure for ten seconds
and make sure that there is no drop in pres-
sure.
4. Check:
S radiator fan
Damage ! Replace.
Malfunction ! Check and repair.
Refer to "COOLING SYSTEM" in chapter 8.
5-3
COOL
140 kPa
2
1.4 kg/cm , 1.1