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KTM 620 - Chain Maintenance and Adjustment

KTM 620
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ENGLISH
18
B
16:48
16:40
A = 0mm
16:45
17:38
30mm
A
3
A
Changing the spring preloading of the shock absorber
KTM sets the shock absorber for a driver only, weighing approximately
75 kg (165 lb). If you want to take a passenger with you, of if you weigh
considerably more or less than 75 kg (165 lb), you should change the spring
preloading
A accordingly. This is easily done.
NOTE:
Before changing the spring preload note down the basic setting, e.g.
how many threads are visible above the adjusting ring.
One rotation of the adjusting ring
2 changes the spring pretension by
approximately 1,75 mm (0,07 in).
Loosen the locking ring
1 with the hook spanner from the tool set. Change
the spring preload with the adjusting ring
2 and re-tighten the locking ring.
BASIC SETTING – SPRING PRELOAD
A = 23 mm (0,9 in)
Lubricate rear suspension linkage
The bearings in the link lever must be greased in regular intervals. For this
purpose, a lubricating nipple
3 is mounted on the link lever.
!
CAUTION
!
A
FTER EACH TIME THE MOTORCYCLE IS WASHED
, IT IS ESPECIALY IMPORTANT TO GREASE
THE LUBRICATING NIPPLE TO PUSH ANY WATER OUT OF THE BEARINGS
.
Checking chain tension
For checking, put the motorcycle on its main stand or jack it up on its
frame so that the rear wheel is relieved of any load.
Push the chain upwards appr. 30 mm (1,2 in) from the end of the chain
sliding component until the upper part of the chain is tensioned (see
illustration)
Now, the distance
A between chain and swingarm should be 0 mm res-
pectively 5 mm (0,2 in) (depending on final drive ratio). The upper part
of the chain
B must be tight (see illustration).
Correct chain tension, if necessary!
WARNING
–I
F CHAIN TENSION IS TOO GREAT, PARTS WITHIN THE SECONDARY TRANSMISSION
(CHAIN, SPROCKETS, DRIVE ASSEMBLY 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 SPROCKETS
. 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.
1
2

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