Yamaha YZF-R1, Kit Manual, Page: 50 / 77

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23. Spring Front Fork
Parts List
No. PART No. PART NAME Q'TY REMARKS
1 2CR-23141-A0 SPRG., FRONT FORK 1 8.5 N/mm
Identifying slits 1-1
2 2CR-23141-70 SPRG., FRONT FORK 1 9.0 N/mm
Identifying slits 1
3 2CR-23141-75 SPRG., FRONT FORK 1 9.5 N/mm
Identifying slits 2
4 2CR-23141-80 SPRG., FRONT FORK 1 10.0 N/mm
Identifying slits 3
5 2CR-23141-85 SPRG., FRONT FORK 1 10.5 N/mm
Identifying slits 4
•
There are slits at the ends of the spring
for rate identification.
-A0
8.5 N/mm
-70
9.0 N/mm
-75
9.5 N/mm
-80
10.0 N/mm
-85
10.5 N/mm
•
There are slits at the ends of the spring
for rate identification.
•
Use the preload tube of the STD for
installing the KIT spring.
•
Free lengths are STD spring = 217.5mm
and KIT spring = 215 mm.
STD :Preload adjuster 0 mm = Actual
preload 2.5 mm
KIT :Preload adjuster 0 mm = Actual
preload 0 mm
•
For information about spring replacement,
see 2CR STD. Service Manual.
•
The spring rate of the STD is 9.0 N/mm.