A
B
16:50 Z
A = 12 mm
30mm
2
3
4
1
2
3
4
Checking the chain tension
Set the motorcycle on the main or side stand.
Switch the transmission to neutral.
Push up under the chain approx. 30 mm behind the end of the chain sliding
component until the upper part of the chain is tightened (see illustration).
There should be a distance
A of 12 mm between the chain and the swing
arm when the upper part of the chain
B is tensioned (see drawing). Cor-
rect the chain tension if necessary.
WARNING
–I
F THE CHAIN IS TOO TIGHT, IT WILL CAUSE EXTRA STRESS ON THE SECONDARY DRIVE-
TRAIN COMPONENTS (CHAIN, REAR SPROCKETS, BEARINGS IN THE TRANSMISSION AND
IN THE REAR SPROCKET CARRIER
). IN ADDITION TO PREMATURE WEAR, IT COULD
CAUSE THE CHAIN TO TEAR
.
–I
F THE CHAIN IS TOO LOOSE, IT CAN FALL OFF THE REAR SPROCKETS AND BLOCK THE
REAR WHEEL OR DAMAGE THE ENGINE
.
–I
N BOTH CASES, THE MOTORCYCLE CAN EASILY GO OUT OF CONTROL.
Correcting the chain tension
Loosen the collar nut 1, loosen the counternuts 2 and turn the left and
right adjustment screws
3 the same distance. Tighten the counternuts 2.
Before tightening the wheel spindle make sure the chain tensioner
4 rests
against the adjustment screws and the rear wheel is aligned with the front
wheel.
Tighten the collar nut 1 to 80 Nm.
WARNING
I
F YOU DO NOT HAVE A TORQUE WRENCH FOR ASSEMBLY, HAVE THE TORQUES CORREC-
TED BY AN AUTHORIZED KTM WORKSHOP AS SOON AS POSSIBLE. A LOOSE WHEEL
SPINDLE CAN CAUSE THE MOTORCYCLE
'S HANDLING PERFORMANCE TO BECOME
INSTABLE
.
21
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