TUNING THE CHASSIS 11
57
11.10 Adjusting the riding sag
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 63)
– Remove the shock absorber. ( p. 77)
– After removing the shock absorber, clean it thoroughly.
B00292-10
Main work
– Choose and mount a suitable spring.
Guideline
Spring rate
Weight of rider: 65 …
75 kg (143 … 165 lb.)
60 … 66 N/mm (343 …
377 lb/in)
Weight of rider: 75 …
85 kg (165 … 187 lb.)
63 … 69 N/mm (360 …
394 lb/in)
Weight of rider: 85 …
95 kg (187 … 209 lb.)
66 … 72 N/mm (377 …
411 lb/in)
Info
The spring rate is shown on the outside of the spring.
Smaller weight differences can be compensated by
changing the spring preload.
Finishing work
– Install the shock absorber. ( p. 77)
–
Remove the motorcycle from the lift stand. ( p. 63)
– Check the static sag of the shock absorber. ( p. 55)
– Check the riding sag of the shock absorber. ( p. 55)
– Adjust the rebound damping of the shock absorber. ( p. 54)
11.11 Checking the basic setting of the fork
Info
For various reasons, no exact riding sag can be determined for the fork.
401000-01
– As with the shock absorber, smaller differences in the rider's
weight can be compensated by the spring preload.
– However, if the fork frequently bottoms out (hard end stop on
compression), harder springs must be fitted to avoid damage
to the fork and frame.
– If the fork feels unusually hard after extended periods of oper-
ation, the fork legs need to be bled.
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