Yamaha BR250F Service Manual page 182

Model
Hole position
Sheave side-spring seat side
(twist angle)
Spring rate
Number of coils
Free length
Drive chain:
Type
Number of links
Track:
Part number
Width
Length
Pitch
Number of links
Suspension setting position:
Stopper band hole position
Front
MAINTENANCE SPECIFICATIONS
I
SPEC
I0--1
BR250TfTS
183
kg/mm
9.9
105 mm (4.13 in)
DID 40K-1
44
89X-47110-00
381
mm (15.0 in)
3,456 mm (136 in)
64
mm (2.52 in)
54
No.2
-23-