Checking The Brake Fluid Level - Yamaha DT230 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
FRONT
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1
2
3
1. Minimum level mark
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Checking the brake fluid
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level
Insufficient brake fluid may allow air
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to enter the brake system, possibly
causing it to become ineffective.
Before riding, check that the brake
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fluid is above the minimum level mark
and replenish if necessary. A low
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brake fluid level may indicate worn
brake pads and/or brake system
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leakage. If the brake level is low, be
sure to check the brake pads for
wear and the brake system for leak-
age.
REAR
1
1. Minimum level mark
EAU03196
Observe these precautions:
8 When checking the fluid level,
make sure that the top of the
master cylinder or brake fluid
reservoir is level.
8 Use only the recommended qual-
ity brake fluid, otherwise the rub-
ber seals may deteriorate, caus-
ing leakage and poor braking
performance.
Recommended brake fluid:
DOT 4
6-24
8 Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking perfor-
mance.
8 Be careful that water does not
enter the master cylinder when
refilling. Water will significantly
lower the boiling point of the fluid
and may result in vapor lock.
8 Brake fluid may deteriorate paint-
ed surfaces or plastic parts.
Always clean up spilled fluid
immediately.
8 As the brake pads wear, it is nor-
mal for the brake fluid level to
gradually go down. However, if
the brake fluid level goes down
suddenly, have a Yamaha dealer
check the cause.