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4-8 COOLING SYSTEM
Coolant
Coolant Deterioration Inspection
•
Remove the right side cover (see Frame chapter).
•
Visually inspect the coolant [A] in the reserve tank.
If whitish cotton-like wafts are observed, aluminum parts
in the cooling system are corroded. If the coolant is
brown, iron or steel parts are rusting. In either case, flash
the cooling system.
If the coolant gives off an abnormal smell, check for a
cooling system leak. It may be caused by exhaust gas
leaking into the cooling system.
Coolant Level Inspection
NOTE
○
Check the level when the engine is cold (room or ambi-
ent temperature).
•
Check the coolant level in the reserve tank with the motor-
cycle held upright. The coolant level should be between
the “F” (full) level and the “L” (low) level (In the photo, the
right side cover has been removed for clarity).
Front [A]
Reserve Tank [B]
“F” Level [C]
“L” Level [D]
If the coolant level is lower than the “L” level, remove
the right side cover and the reserve tank cap, then add
coolant to the“F” level.
CAUTION
For refilling, add the specified mixture of coolant
and soft water.
Adding water alone dilutes the
coolant and degrades its anticorrosion properties.
The diluted coolant can attack the aluminum engine
parts. In an emergency, soft water can be added,
but the diluted coolant must be returned to the cor-
rect mixture ratio within a few days.
If coolant must be added often or the reserve tank
has run completely dry, there is probably leakage in
the cooling system. Check the system for leaks.
Coolant ruins painted surfaces. Immediately wash
away any coolant that spills on the frame, engine,
wheels, or other painted parts.
Coolant Draining
•
Refer to Coolant Change in the Periodic Maintenance
Chapter .
Coolant Filling
•
Refer to Coolant Change in the Periodic Maintenance
Chapter.