BMW CE 04 Rider's Manual page 106

100 SETTING
Basic setting of spring
preload, rear
Spring length in base setting
257.5 mm (filled up with fuel,
with rider weighing 85 kg)
Spring length in base setting
257.5 mm (One-up without
load)
Spring length in base set-
ting 247.5 mm (One-up with
load)
Spring length in base setting
227.5 mm (Two-up mode
with load)
Tighten lock nut 2.