11
TUNING THE CHASSIS
11.6
Measuring rear wheel sag unloaded
11.7
Checking the static sag of the shock absorber
11.8
Checking the riding sag of the shock absorber
Preparatory work
–
Raise the motorcycle with the lift stand. (
Main work
–
Measure the distance – as vertically as possible – between the rear axle and a fixed
point such as a mark on the side cover.
–
Make note of the value as measurement
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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.
–
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.
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–
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
and down a few times.
The rear wheel suspension levels out.
–
Another person now measures the distance between the rear axle and a fixed point.
–
Note down the value as dimension
Info
The riding sag is the difference between measurements
–
Check the riding sag.
Riding sag
»
If the riding sag differs from the specified measurement:
–
Adjust the riding sag.
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p. 51)
.
of rear wheel unloaded. (
.
33... 35 mm (1.3... 1.38 in)
of rear wheel unloaded. (
.
105... 115 mm (4.13... 4.53 in)
(
p. 45)
p. 51)
p. 44)
and
(
p. 45)
p. 44)
and
44
.
.