Checking The Brake Operation; Checking The Brake Fluid Level; Adjusting The Front Disc Brake - Yamaha MTN850-A 2017 Service Manual

Clutch cable locknut
7 N·m (0.7 kgf·m, 5.1 lb·ft)
b b
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EAS30801

CHECKING THE BRAKE OPERATION

1. Check:
• Brake operation
Brake not working properly  Check the
brake system.
Refer to "FRONT BRAKE" on page 4-25 and
"REAR BRAKE" on page 4-37.
TIP
Drive on the dry road, operate the front and rear
brakes separately and check to see if the brakes
are operating properly.
EAS30632

CHECKING THE BRAKE FLUID LEVEL

1. Stand the vehicle on a level surface.
TIP
• Place the vehicle on a maintenance stand.
• Make sure the vehicle is upright.
2. Check:
• Brake fluid level
Below the minimum level mark "a"  Add the
specified brake fluid to the proper level.
Front brake
Specified brake fluid
DOT 4
Rear brake
Specified brake fluid
DOT 4
a a
2
3-13
PERIODIC MAINTENANCE
a
A. Front brake
B. Rear brake
EWA13090
WARNING
• Use only the designated brake fluid. Other
brake fluids may cause the rubber seals to
deteriorate, causing leakage and poor
brake performance.
• Refill with the same type of brake fluid that
is already in the system. Mixing brake fluids
may result in a harmful chemical reaction,
leading to poor brake performance.
• When refilling, be careful that water does
not enter the brake fluid reservoir. Water
will significantly lower the boiling point of
the brake fluid and could cause vapor lock.
ECA13540
NOTICE
Brake fluid may damage painted surfaces
and plastic parts. Therefore, always clean up
any spilt brake fluid immediately.
TIP
In order to ensure a correct reading of the brake
fluid level, make sure the top of the brake fluid
reservoir is horizontal.
EAS30630

ADJUSTING THE FRONT DISC BRAKE

1. Adjust:
• Brake lever position
(distance "a" from the throttle grip to the brake
lever)
a