67TS 410, TS 420
10. Repairing the AV system
The handle frame and engine 
housing are connected by vibration-
damping springs.
Damaged springs must be replaced 
as a matter of principle.
10.1 AV spring on the 
handlebar
The AV spring is located between 
handlebar and crankcase on the 
clutch side and must be replaced if 
defective.
: Remove the screw (arrow).
– Remove the clamp (1).
– Remove the muffler, b 7.1.
: Remove the screw (arrow).
: Remove the AV spring (1).
1
370RA251 TG
1
370RA252 TG
: Unscrew the handlebar 
support (1).
– Examine the spring, handlebar 
support and clamp, replace if 
necessary.
– Screw the handlebar support (1) 
into the AV spring (2) as far as 
possible (arrow).
: Fit the AV spring with handlebar 
support (arrow) on the handlebar 
and hold it in position.
1
370RA253 TG
1
370RA254 TG
2
370RA255 TG
: Fit the clamp (1) on the opposite 
side so that the guide (arrow) is 
on the inside of the handlebar.
: Insert a screw (3) through the 
clamp and handlebar, and screw 
it tightly into the handlebar 
support (2).
: Push the AV spring into the 
mount (arrow) with the serration.
– Insert and tighten the screw on 
the opposite side.
– Reassemble remaining parts in 
reverse order.
– Tightening torques, b 3.5.
370RA256 TG
1 3
2
370RA257 TG