Yamaha YXR660FAS, Owner'S Manual

Page: 119 / 154

8-32
EBU90005
Checking the brake fluid level
1. Minimum level mark
Insufficient brake fluid may let air enter the
brake system, possibly causing the brakes to
become ineffective.
Before riding, check that the brake fluid is
above the minimum level mark and replenish
if necessary. A low brake fluid level may indi-
cate worn brake pads and/or brake system
leakage. If the brake fluid level is low, be sure
to check the brake pads for wear and the
brake system for leakage.
The brake fluid reservoir is located under the
hood. (See pages 8-6–8-7 for hood opening
and closing procedures.)
Observe these precautions:
● When checking the fluid level, make sure
the top of the brake fluid reservoir is level.
● Use only the recommended quality brake
fluid. Otherwise, the rubber seals may de-
teriorate, causing leakage and poor braking
performance.
● Refill with the same type of brake fluid. Mix-
ing fluids may result in a harmful chemical
reaction and lead to poor braking perfor-
mance.
● Be careful that water does not enter the
brake fluid reservoir when refilling. Water
will significantly lower the boiling point of
the fluid and may result in vapor lock.
Recommended brake fluid: DOT 4
U5UG10.book Page 32 Friday, August 1, 2003 7:40 PM