BMW R 1100 S Repair Manual page 267

B
F
v
B
S
A
F
h
A
KR460480
EXAMPLE:
F
h
Formula: S =
A + ----- -
2
Fixed value A
(length of measuring stops)
A = 50.0 mm (1.97 in)
Half of rear wheel rim width
F
h
----- - = 72.5 mm (2.85 in)
2
Measured value B
(mean value)
B = 70.0 mm (2.76 in)
Half of front wheel rim width
F
v
= 54.5 mm (2.16 in)
----- -
2
Track offset S
F F
h v
S = A + ----- - – B + ----- -
2 2
S = 122.5 mm – 124.5 mm (4.82 in - 4.92 in)
Track offset S = – 2.0 mm (–0.10 in)
F
v
–
B + ----- -
2
46.19