10
TUNING THE CHASSIS
10.6
Measuring rear wheel sag unloaded
10.7
Checking the static sag of the shock absorber
10.8
Checking the riding sag of the shock absorber
Preparatory work
–
Raise the motorcycle with the lift stand. (
Main work
–
Measure the distance – as vertical as possible – between the rear axle and a fixed
point, for example, a mark on the side cover.
–
Note down the value as dimension
400988-10
Finishing work
–
Remove the motorcycle from the lift stand. (
–
Measure distance
–
Hold the motorcycle upright with the aid of an assistant.
–
Measure the distance between the rear axle and the fixed point again.
A
0 0 A
–
Note down the value as dimension
Info
The static sag is the difference between measurements
–
Check the static sag.
Static sag
»
If the static sag is less or more than the specified value:
–
Adjust the spring preload of the shock absorber.
0 0 B
B
400989-10
–
Measure distance
–
With another person holding the motorcycle, the rider, wearing full protective cloth-
ing, sits on the seat in a normal sitting position (feet on footrests) and bounces up
A
0 0 A
and down a few times.
The rear wheel suspension levels out.
–
Another person now measures the distance between the rear axle and the fixed
point.
–
Note down the value as dimension
Info
The riding sag is the difference between measurements
–
Check the riding sag.
Riding sag
0 0 C
C
»
If the riding sag differs from the specified measurement:
–
Adjust the riding sag.
400990-10
p. 32)
A
.
A
of rear wheel unloaded. (
B
.
30 mm (1.18 in)
A
of rear wheel unloaded. (
C
.
100 mm (3.94 in)
(
p. 29)
x
p. 32)
p. 28)
A
B
and
(
p. 29)
x
p. 28)
A
and
C
28
.
.