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4-8 COOLING SYSTEM
Coolant
Coolant Deterioration Inspection
•
Remove the left 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, flush
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 [A] with the
motorcycle held perpendicular (Do not use the sidestand).
If the coolant level is lower than the “L” level line [B], un-
screw the reserve t ank cap and add coolant to the “F”
level line [C].
“L”: low
”F”: full
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 en-
gine parts. In an em ergency, soft water alone can
be added. But the diluted coolant must be returned
to the correct mixture ratio within a few days.
If coolant must be added often or the reservoir 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 the Cooling System in the Periodic Maintenance
chapter.
Coolant Filling
•
Refer to the Cooling System in the Periodic Maintenance
chapter.