Check Chain Tension; Correct Chain Tension; Check And Correct Chain Tension - KTM 125 SX Owner's Manual

A
2
B
3
1
2
3
B
4

Check chain tension

Jack the motorcycle up on its frame so that the rear wheel no longer tou-
ches the ground.
Press the chain upward at the end of the chain sliding component. The
distance between the chain and the swing arm should be approx. 8 - 10 mm
(0.31 - 0.39 in). In the course of this procedure, the upper chain portion A
must be taut (see drawing). If necessary, correct the chain tension.
– I
F THE CHAIN TENSION IS TOO GREAT
( ,
CHAIN CHAIN WHEELS AND REAR WHEEL BEARINGS
UNNECESSARY STRESS
– T
OO MUCH SLACK IN THE CHAIN
JUMPING OFF THE CHAIN WHEELS
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
3
screws equally far. Tighten lock nuts.
Before tightening the collar nut, verify that the chain adjusters
close to the adjusting screws and that the rear wheel has been aligned with
4
the front wheel.
Tighten collar nut
– I '
F YOU DON
HAVE THE TIGHTENING TORQUE CORRECTED BY A
. A
POSSIBLE
YOUR MOTORCYCLE
– T
IGHTEN THE COLLAR NUT WITH THE REQUIRED TORQUE
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
!
A
LWAYS MOUNT THE CHAIN TENSIONER EQUALLY ALIGNED
WARNING
,
PARTS WITHIN THE SECONDARY TRANSMISSION
,
RESULTING IN PREMATURE WEAR AND EVEN CHAIN BREAKAGE
,
ON THE OTHER HAND
. I
F THIS HAPPENS
.
1 2
, loosen lock nuts , and turn right and left adjusting
1 to 80 Nm (60 ft.lb).
WARNING
T HAPPEN TO HAVE A TORQUE WRENCH AT HAND
LOOSE AXLE MAY LEAD TO AN UNSTABLE DRIVING BEHAVIOR OF
.
4
can be rotated by 180°.
CAUTION
)
WILL BE SUBJECTED TO
.
,
CAN RESULT IN THE CHAIN
,
THE CHAIN COULD ALSO BLOCK
.
4
are sitting
,
MAKE SURE YOU
KTM
DEALER AS SOON AS
. A
LOOSE WHEEL SPINDLE
.
!
.
29