Yamaha WR250F 2017 Owner's Service Manual page 318

HANDLING NOTE
EAS2GBB330
EWA
WARNING
If coolant seems hot, do not remove the ra-
diator cap.
CHECKING THE RADIATOR
EAS2GBB331
1. Check:
• Radiator fins "1"
Obstructions  Clean.
Apply compressed air to the rear of the radi-
ator.
Damage  Repair or replace.
TIP
Correct any flattened fins with a thin, flat-head
screwdriver.
2. Check:
• Radiator hoses
• Radiator pipes
Crack/damage  Replace.
7-3
RADIATOR