Periodic maintenance and adjustment
63
WARNING
EWS00821
Improper maintenance can result in loss
of braking ability. Observe these precau-
tions:
Insufficient brake fluid may allow air to
enter the brake system, reducing brak-
ing performance.
Clean the filler cap before removing.
Use only DOT 4 brake fluid from a sealed
container.
Use only the specified brake fluid; other-
wise, the rubber seals may deteriorate,
causing leakage.
Refill with the same type of brake fluid.
Adding a brake fluid other than DOT 4
may result in a harmful chemical reac-
tion.
Be careful that water does not enter the
brake fluid reservoir when refilling. Wa-
ter will significantly lower the boiling
point of the fluid and may result in vapor
lock.
NOTICE
ECS01051
Brake fluid may damage painted surfaces
or plastic parts. Always clean up spilled
fluid immediately.
As the brake pads wear, it is normal for the
brake fluid level to gradually go down. A low
brake fluid level may indicate worn brake
pads and/or brake system leakage; therefore,
be sure to check the brake pads for wear and
the brake system for leakage. If the brake flu-
id level goes down suddenly, have a Yamaha
dealer check the cause before further riding.
Changing the brake fluid
WARNING
EWS00472
Make sure that the brake fluid and the fol-
lowing parts are replaced by a Yamaha
dealer.
Brake fluid replacement is necessary when
the following components are replaced dur-
ing the periodic maintenance or if they are
damaged or leaking.
All oil seals of the master cylinder and cali-
per cylinder
The brake hose
ESU14661
Skis and ski runners
Checking the skis and ski runners
Check the skis and ski runners for wear and
damage. Replace if necessary.
NOTICE
ECS00561
Avoid scratching the skis when loading
and unloading the snowmobile, when rid-
ing in areas with little or no snow, or on
sharp edges such as concrete, curbs, etc.
This will wear or damage the skis.
1. Ski runner wear limit
1
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