2003 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.
U5KM60.book Page 95 Thursday, June 21, 2001 2:40 PM

8-97
EBU00820*
Brake fluid replacement
1. Complete fluid replacement should be done
only by trained Yamaha service personnel.
2. Have a Yamaha dealer replace the following
components during periodic maintenance or
when they are damaged or leaking.

Replace all rubber seals every two years.


Replace all hoses every four years.
U5KM60.book Page 97 Thursday, June 21, 2001 2:40 PM

8-99 a. Free play
a. Jeu
a. Juego libre
EBU00681
Front brake adjustment
The front brake lever should have a free play of
zero mm at the lever end. 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.


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.
U5KM60.book Page 99 Thursday, June 21, 2001 2:40 PM

8-101 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 libre
EBU00689*
Rear brake 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 free play, and in direction
b to de-
crease free play.
3. Tighten the locknut.
If correct free play cannot be obtained, ask a
Yamaha dealer to make that adjustment.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.
U5KM60.book Page 101 Thursday, June 21, 2001 2:40 PM

8-103 a. 45 mm
Rear brake pedal height adjustmentNOTE:Adjust the rear brake before inspecting the rear
brake pads.The top of the brake pedal should be positioned
45 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 system.
Replacement of brake components requires
professional knowledge. These procedures
should be performed by a Yamaha dealer.
U5KM60.book Page 103 Thursday, June 21, 2001 2:40 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.
U5KM60.book Page 105 Thursday, June 21, 2001 2:40 PM

8-109
EBU00717
Brake lever and brake pedal lubrication
Lubricate the pivoting parts.
Recommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
U5KM60.book Page 109 Thursday, June 21, 2001 2:40 PM

8-133 1. Bulb holder
1. Fixation d’ampoule
1. Portabombillas
1. Bulb holder 2. Bulb
1. Fixation d’ampoule 2. Ampoule
1. Portabombillas 2. Bombilla
EBU00861
Tail/brake light bulb replacement
1. Remove the bulb holder (together with the
bulb) by turning it counterclockwise.
2. Remove the defective bulb from the bulb
holder by pushing it inward and turning it
counterclockwise.
3. Install a new bulb in the bulb holder by push-
ing it inward and turning it clockwise.
4. Install the bulb holder (together with the bulb)
by turning it clockwise.
U5KM60.book Page 133 Thursday, June 21, 2001 2:40 PM