2004 YAMAHA GRIZZLY 660 brake

8-95
3. Refill with the same type of brake fluid. Mixing
fluids may result in a harmful chemical reac-
tion and lead to poor brake performance.
4. Be careful that water does not enter the mas-
ter cylinder reservoir when refilling. Water will
significantly lower the boiling point of the fluid
and may result in vapor lock.
5. Brake fluid may deteriorate painted surfaces
or plastic parts. Always clean up spilled fluid
immediately.
6. Have a Yamaha dealer check the cause if the
brake fluid level goes down.
EE.book Page 95 Tuesday, April 1, 2003 12:23 PM

8-97
EBU01186
Brake fluid replacement
Complete fluid replacement should be done only
by trained Yamaha service personnel. Have a
Yamaha dealer replace the following components
during periodic maintenance or when they are
damaged or leaking.

Replace the oil seals every two years.


Replace the brake hoses every four years.
EE.book Page 97 Tuesday, April 1, 2003 12:23 PM

8-99 a. Front brake lever free play
a. Jeu au levier de frein avant
a. Juego libre del freno delantero
EBU01190
Front brake lever free play
The front brake lever should have a free play of
zero mm at the lever end. If not, have a Yamaha
dealer adjust it.
WARNING
_ Operating with improperly serviced or adjust-
ed brakes could cause loss of braking ability
which could lead to an accident.
After servicing:

Make sure the brakes operate smoothly
and that the free play is correct.


Make sure the brakes do not drag.


Make sure the brakes are not spongy. All
air must be bled from the brake system.
Replacement of brake components requires
professional knowledge. These procedures
should be performed by a Yamaha dealer.
_
EE.book Page 99 Tuesday, April 1, 2003 12:23 PM

8-101 1. Locknut 2. Adjusting bolt
c. Rear brake lever free play
1. Contre-écrou 2. Boulon de réglage
c. Jeu au levier de frein arrière
1. Contratuerca 2. Perno de ajuste
c. Juego libre de la palanca del freno trasero
EBU01313
Rear brake lever and pedal adjustment
Rear brake lever free play 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 in-
crease the free play, and in direction
b to de-
crease the free play.
3. Tighten the locknut.
If correct free play cannot be obtained, have a
Yamaha dealer adjust it.NOTE:_ When adjusting the rear brake lever free play:

Be sure not to step on the brake pedal.


Make sure the brake pedal does not move.
_
EE.book Page 101 Tuesday, April 1, 2003 12:23 PM

8-103 a. Distance between brake pedal and footrest
a. Distance entre la pédal de frein et le repose-pied
a. Distancia entre el pedal de freno y la estribera
Rear brake pedal height adjustmentNOTE:_ Adjust the rear brake before inspecting the rear
brake pads. _The top of the brake pedal should be positioned
72 mm above the top of the footrest. If not, ask a
Yamaha dealer to adjust it.
WARNING
_ Operating with improperly serviced or adjust-
ed brakes could cause loss of braking ability
which could lead to an accident.
After servicing:

Make sure the brakes operate smoothly
and that the free play is correct.


Make sure the brakes do not drag.


All air must be bled from the brake sys-
tem.
Replacement of brake components requires
professional knowledge. These procedures
should be performed by a Yamaha dealer.
_
EE.book Page 103 Tuesday, April 1, 2003 12:23 PM

8-105 1. Rear brake light switch
2. Adjusting nut
1. Contacteur de feu stop
2.Écrou de réglage
1. Interruptor de la luz del freno trasero
2. Tuerca de ajuste
EBU00834
Adjusting the rear brake light switch
The rear brake light switch, which is activated by
the brake pedal and brake levers, is properly ad-
justed when the brake light comes on just before
braking takes effect. If necessary, adjust the brake
light switch as follows.
Turn the adjusting nut while holding the rear brake
light switch in place. To make the brake light come
on earlier, turn the adjusting nut in direction
a. To
make the brake light come on later, turn the adjust-
ing nut in direction
b.
EE.book Page 105 Tuesday, April 1, 2003 12:23 PM

8-109
EBU00717
Brake lever and brake pedal lubrication
Lubricate the pivoting parts.
Recommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
EE.book Page 109 Tuesday, April 1, 2003 12:23 PM

8-131 1. Headlight beam adjusting screw
1. Vis de réglage du faisceau de phare
1. Tornillo de ajuste de la luz del faro
EBU01089
Headlight beam adjustmentCAUTION:_ It is advisable to have a Yamaha dealer make
this adjustment. _To raise the beam, turn the adjusting screw in di-
rection
a.
To lower the beam, turn the adjusting screw in di-
rection
b.
EBU01105
Tail/brake light bulb replacement
If the tail/brake light bulb burns out, have a
Yamaha dealer replace it.
EE.book Page 131 Tuesday, April 1, 2003 12:23 PM