Adjusting The Chain Tension - GAS GAS TXT Racing 125 2020 Owner's Manual

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11 SERVICE WORK ON THE CHASSIS
11.31
56

Adjusting the chain tension

Warning
Danger of accidents Incorrect chain tension damages components and results in accidents.
If the chain is tensioned too much, the chain, engine sprocket, rear sprocket, transmission and rear wheel bear-
ings wear more quickly. Some components may break if overloaded.
If the chain is too loose, the chain may fall off the engine sprocket or the rear sprocket. As a result, the rear wheel
locks or the engine will be damaged.
Check the chain tension regularly.
Set the chain tension in accordance with the specification.
Preparatory work
Raise the motorcycle with a lift stand. (
Check the chain tension. (
Main work
1
Loosen screw
E01384-12
Adjust the chain tension by turning eccentrics
Guideline
Chain tension
Turn eccentrics left and right so that the eccentrics are on the
same detent. The rear wheel is then correctly aligned.
1
Tighten screw
Guideline
Screw, rear wheel spin-
dle
E01388-11
Finishing work
Remove the motorcycle from the lift stand. (
p. 38)
p. 55)
.
2
10 ... 20 mm (0.39 ... 0.79 in)
.
M10
50 Nm (36.9 lbf ft)
p. 38)
left and right.

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