Yamaha wr450f - Manual (Page 14)

14
Technical specifications
Fork length and stroke
Length (L):
938 mm
Stroke: 300 mm
Rebound and compression adjustment
Refer to mounting instruction for set-up data.
Maximum open rebound and compression valve:
20 clicks.
Free Spring Length:
467 mm (service limit 460 mm).
Spring preload:
Maximum allowed adjustment
range 3-13 mm (with washers).
Spring rate:
2328-39: 3,9 N/mm
2328-41: 4,1 N/mm
2328-43: 4,3 N/mm
2328-45: 4,5 N/mm
2328-47: 4,7 N/mm
Settings:
Compressing adj. 16 clicks
Rebound adj.
14 clicks
L
70
300
200
Oil level:
When delivered from factory: 105 mm
Adjustment range: 80-130 mm.
CAUTION!
Use only Öhlins high performance front fork fluid
No. 5 (1311-01).
Tighten torque:
Fork top crown bolt: 20 Nm
Fork bottom crown bolt: 10 Nm
Compression valve: 60 Nm (Base valve).
Cylinder tube cap (cartridgetube): 60 Nm
Compression valve, 8 mm nut 8 Nm.
Rebound valve, 8 mm nut 8 Nm.
Grease:
Öhlins Front Fork grease 00146-01
(Red grease).
Service Intervals:
Every 20 hours.