Checking The Radiator - Yamaha YZF-R1P Service Manual

RADIATOR
EAS00455

CHECKING THE RADIATOR

1. Check:
• radiator fins
Obstruction → Clean.
Apply compressed air to the rear of the radi-
ator.
Damage → Repair or replace.
NOTE:
_
Straighten any flattened fins with a thin, flat-
head screwdriver.
2. Check:
• radiator hoses
• radiator pipes
Cracks/damage → Replace.
3. Measure:
• radiator cap opening pressure
Below the specified pressure → Replace
the radiator cap.
Radiator cap opening pressure
95 ~ 125 kPa
(0.95 ~ 1.25 kg/cm
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a. Install the radiator cap tester 1 and radiator
cap tester adapter 2 to the radiator cap 3.
Radiator cap tester
YU-24460-01
Radiator cap tester adapter
YU-33984
b. Apply the specified pressure for ten sec-
onds and make sure there is no drop in
pressure.
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4. Check:
• radiator fan
Damage → Replace.
Malfunction → Check and repair.
Refer to "COOLING SYSTEM" in chapter 8.
6 - 3
COOL
2
, 13.8 ~ 18.1 psi)
M MMM M M MMM M M MMM M MMM
L LLL L L LLL L L LLL L LLL