KTM 640 Duke, Owner'S Handbook Manual

Page: 27 / 52

ENGLISH
25
Changing the basic position of the brake pedal *
The basic setting of the foot brake pedal can be changed by turning the
stop roller
1
. Using the piston rod
2
, the free play on the foot brake pedal
must be set. In order to be able to turn the piston rod, the counter nut
3
must first be loosened.
Measured on the outside, the foot brake pedal must have 3-5 mm of free
play, before the piston rod can move the piston in the brake cylinder (to be
recognised from the resistance on the foot brake pedal). Retighten counter
nut
3
.
!
CAUTION
!
I
F THIS CLEARANCE IS MISSING
,
PRESSURE ACCUMULATES IN THE BRAKING SYSTEM AND
THE BRAKE PADS BEGIN TO RUB
. T
HE BRAKING SYSTEM OVERHEATS AND CAN FAIL COM
-
PLETELY IN EXTREME CASES
.
Checking the rear brake fluid level
The reservoir for the rear disc brake is located on the left-hand side of the
vehicle next to the carburetor carburetor connection boot. The brake fluid
level may not drop below the „MlN” marking when the vehicle is in an
upright position.
WARNING
– I
F THE BRAKE FLUID LEVEL DROPS BELOW THE MINIMUM EITHER THE BRAKE SYSTEM
HAS A LEAK OR THE BRAKE PADS ARE COMPLETELY WORN
. I
N THIS CASE
,
CONSULT AN
AUTHORIZED
KTM
DEALER IMMEDIATELY
.
– C
HANGE BRAKE FLUID AT LEAST ONCE A YEAR
. I
F THE MOTORCYCLE IS BEING WASHED
VERY OFTEN
,
CHANGE BRAKE FLUIF MORE OFTEN
. B
RAKEFLUID HAS THE ABILITY TO
ADMIT WATER
;
THEREFORE
,
STEAM BUBBLES CAN FORM IN
„
OLD
“
BRAKE FLUID AT
RELATIVELY LOW TEMPERATURES THUS CAUSING THE BRAKE SYSTEM TO FAIL
.
Refilling the rear brake fluid reservoir*
When the brake fluid level has dropped to the MIN mark, you need to refill
the brake fluid reservoir.
For easier access to the brake fluid reservoir it is recommended to remove
the hexagon screw
4
. Then move the container outwards as indicated in
the illustration. Remove plug 5 with rubber boot 6 and add brake fluid
DOT 5.1 (Shell Advance Brake DOT 5.1) up to the „MAX“ mark. Replace
rubber boot and plug. Overflown or spilled brake liquid must be rinsed off
with water. Mount the screw and fix the brake fluid reservoir to the frame,
always making sure to prevent kinks in the connecting hose.
WARNING
– NEVER
USE
DOT5
BRAKE FLUID
! I
T IS BASED ON SILICONE OIL AND OF A PURPLE
COLOR
. S
EALS AND BRAKE HOSES MUST BE ESPECIALLY ADAPTED TO IT
.
– S
TORE BRAKE FLUID OUT OF REACH OF CHILDREN
.
– B
RAKE FLUID CAN CAUSE SKIN IRRITATION
. A
VOID CONTACT WITH SKIN AND EYES
. I
F
YOU GET BRAKE FLUID IN YOUR EYES
,
RINSE WITH PLENTY OF WATER AND CONSULT
A DOCTOR
!
CAUTION
!
– D
ON
’
T LET BRAKE FLUID GET IN CONTACT WITH PAINT
,
IT IS AN EFFECTIVE PAINT
REMOVER
.
– U
SE ONLY CLEAN BRAKE FLUID TAKEN FROM A TIGHTLY SEALED CONTAINER
.
Checking the rear brake pads
The brake pads can be inspected from the rear. The thickness of the linings
may not be less than 1 mm (0.04 in).
WARNING
A
T THEIR MOST WORN POINT BRAKE PAD LININGS SHOULD NOT BE THINNER THAN
1
MM
,
OTHERWISE THEY COULD LEAD TO BRAKE FAILURE
. F
OR YOUR OWN SAFETY
DON
’
T PUT OFF HAVING YOUR BRAKE PADS CHANGED
.
!
CAUTION
!
I
F THE BRAKE PADS ARE REPLACED TOO LATE SO THAT THE LINING IS PARTLY OR ENTIRELY
WORN AWAY
,
THE STEEL COMPONENTS OF THE BRAKE PAD WILL RUB AGAINST THE BRAKE
DISC
,
IMPARING THE BRAKING EFFECT AND DESTROYING THE BRAKE DISC
.
3-5mm
1
2
3
4
5
6
min.
1 mm