brake pads YAMAHA YFM400F 2001 Owners Manual

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4. Brake operation
Test the brakes at slow speed after start-
ing out to make sure they are working
properly. If the brakes do not provide
proper braking performance, inspect the
brake pads for wear. (See page 8-89.)
WARNING

Always check the brakes at the start of every
ride. Do not ride the ATV if you find any prob-
lem with the brakes or you could lose braking
ability, which could lead to an accident. If a
problem cannot be corrected by the adjust-
ment procedures provided in this manual,
have the ATV inspected by a Yamaha dealer.

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Front brake pad inspection
Inspect the brake pads for damage and wear. If
the thickness is less than the specified value,
have a Yamaha dealer replace the pads.NOTE:The wheels need to be removed to inspect the
brake pads. See page 8-107 for removal proce-dures.
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Rear brake pad inspection
Inspect the brake pad for damage or wear.
Wear indicator grooves are provided on the
brake pad. These indicators allow checking of
brake pad wear without disassembling the
brake. Inspect the grooves. If they have almost
disappeared, ask a Yamaha dealer to replace
the pad.NOTE:The wheel needs to be removed to inspect the
brake pad. See page 8-107 for removal proce-dures.
a. Wear limit: 1 mm
a. Limite d’usure: 1 mm
a. Límite de desgaste: 1 mm1. Wear indicator (´ 3)
1. Indicateur d’usure (´ 3)
1. Indicador de desgaste (´ 3)

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Rear brake lever adjustment
The rear brake lever free play should be 0.5 ~
2 mm.
1. Loosen the locknut.
2. Turn the adjusting bolt in direction a to
increase free play, and in direction b to
decrease free play.
3. Tighten the locknut.
If correct free play cannot be obtained, ask a
Yamaha dealer to make that adjustment.
Rear brake pedal height adjustmentNOTE:Adjust the rear brake before inspecting the rearbrake pads.
The top of the brake pedal should be posi-
tioned 53 ~ 60 mm above the top of the foot-
rest. If not, ask a Yamaha dealer to adjust it.
1. Locknut 2. Adjusting bolt
c. Free play
1. Contre-écrou 2. Boulon de réglage
c. Jeu
1. Contratuerca 2. Perno de ajuste
c. Juego librea. 53 ~ 60 mm