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29
Check chain tension
To check the chain tension, park the motorcycle.
Press the chain upward at the end of the chain sliding component. The
distance between the chain and the swing arm should be approx. 15 mm
(0.6 in). In the course of this procedure, the upper chain portion A must be
taut (see drawing). If necessary, correct the chain tension.
ƽ
WARNING
ƽ
–I
FTHE CHAIN TENSION IS TOO GREAT, PARTS WITHIN THE SECONDARY TRANSMISSION
(CHAIN, CHAIN WHEELS AND REAR WHEEL BEARINGS) WILL BE SUBJECTED TO
UNNECESSARY STRESS
, RESULTING IN PREMATURE WEAR AND EVEN CHAIN BREAKAGE.
–T
OO MUCH SLACK IN THE CHAIN, ON THE OTHER HAND, CAN RESULT IN THE CHAIN
JUMPING OFF THE CHAIN WHEELS
. IF THIS HAPPENS, THE CHAIN COULD ALSO BLOCK
THE REAR WHEEL OR DAMAGE THE ENGINE
.
–I
N EITHER CASE THE OPERATOR IS LIKELY TO LOSE CONTROL OF THE MOTORCYCLE.
Correct chain tension
Loosen collar nut 1, loosen lock nuts 2, and turn right and left adjusting
screws
3 equally far. Tighten lock nuts.
Before tightening the collar nut, verify that the chain adjusters
4 are sitting
close to the adjusting screws and that the rear wheel has been aligned with
the front wheel.
Tighten collar nut
1 to 80 Nm (60 ft.lb).
ƽ
WARNING
ƽ
–IFYOUDON’T HAPPEN TO HAVE A TORQUE WRENCH AT HAND, MAKE SURE YOU
HAVE THE TIGHTENING TORQUE CORRECTED BY A
KTM DEALER AS SOON AS
POSSIBLE
. A LOOSE AXLE MAY LEAD TO AN UNSTABLE DRIVING BEHAVIOR OF
YOUR MOTORCYCLE
.
–T
IGHTEN THE COLLAR NUT WITH THE REQUIRED TORQUE. A LOOSE WHEEL SPINDLE
MAY LEAD TO AN UNSTABLE BEHAVIOR OF YOUR MOTORCYCLE
.
NOTE:
The large adjusting range of the chain adjusters (32mm) allows you to use
different secondary ratios in combination with the same chain length. The
chain adjusters
4 can be rotated by 180°.
2
3
4
3
B
15 mm
A
1
4
2
B