KTM 390 Duke AR 2019, Owner'S Manual, Page: 129 / 257

SERVICE WORK ON THE CHASSIS 12
127
12.12 Checking 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 bearings 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 the rear lifting gear. ( p. 116)
M00714-10
Main work
–
Shift the transmission to neutral position.
–
In the area after the chain sliding guard, press the chain
upward toward the link fork and measure chain tension
A
.
Info
Top chain section
B
must be taut.
Chain wear is not always even, so you should repeat
this measurement at different chain positions.
Chain tension 5 … 7 mm (0.2 … 0.28 in)