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PERIODIC MAINTENANCE AND MINOR REPAIR
6-26
6
Clutch
Insufficient brake fluid may allow air to
enter the brake or clutch systems, pos-
sibly causing them to become ineffec-
tive.
Before riding, check that the brake fluid
is above the minimum level mark and
replenish if necessary. A low brake fluid
level may indicate worn brake pads
and/or brake system leakage. If the
brake level is low, be sure to check the
brake pads for wear and the brake sys-
tem for leakage.
NOTE:
The rear brake fluid reservoir is located
behind panel F. (See page 6-8.)
Observe these precautions:
● When checking the fluid level,
make sure that the top of the brake
or clutch fluid reservoir is level.
● Use only the recommended quality
brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking or clutch
performance.
● Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking or clutch per-
formance.
● The brake or clutch fluid reservoir
diaphragm will lose its shape from
the negative pressure if the fluid
level goes down too far. Be sure to
return the diaphragm to its original
shape before installing it into the
brake or clutch fluid reservoir.
● Be careful that water or dust does
not enter the brake or clutch fluid
reservoir when refilling. Water will
significantly lower the boiling point
of the fluid and may result in vapor
lock, and dirt may clog the ABS hy-
draulic unit valves.
● Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
● As the brake pads wear, it is nor-
mal for the brake fluid level to grad-
ually go down. However, if the
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
1. Minimum level mark
Recommended brake and clutch flu-
id:
DOT 4 brake fluid
U3P610E0.book Page 26 Thursday, December 22, 2005 11:16 AM