Yamaha WR450F(T) - Radiator Cap Inspection

3 - 8
INSP
ADJ
RADIATOR CAP INSPECTION/
RADIATOR CAP OPENING PRESSURE INSPECTION
12. Install:
• Coolant reservoir cap
13. Start the engine and let it warm up for sev-
eral minutes.
14. Turn off the engine and inspect the coolant
level.
Refer to “COOLANT LEVEL INSPECTION”
section.
N
OTE:
Before checking the coolant level wait a few
minutes until the coolant settles.
EC355000
RADIATOR CAP INSPECTION
1. Inspect:
• Seal (radiator cap) 1
• Valve and valve seat 2
Crack/damage → Replace.
Exist fur deposits 3 → Clean or replace.
EC356001
RADIATOR CAP OPENING PRESSURE
INSPECTION
1. Attach:
• Radiator cap tester 1 and adapter 2
N
OTE:
Apply water on the radiator cap seal.
3
Radiator cap
2. Apply the specified pressure.
Radiator cap tester:
YU-24460-01/90890-01325
Adapter:
YU-33984/90890-01352
Radiator cap opening pressure:
110 kPa (1.1 kg/cm
2
, 15.6 psi)