Rear Shock Setting - Yamaha YTZ250S 1986 Service Manual

Rear Shock Setting
Spring preload (Installed length)
STD: 235.5 mm (9.25 in)
MIN: 220.5 mm (8.68 in)
MAX: 235.5 mm (9.27 in)
The length of the spring (installed) changes
1 mm (0.04 in) per turn of the adjuster.
Never attempt to turn the adjuster beyond
the maximum or minimum setting.
TIGHTENING TORQUE:
69 Nm (6.9 m'kg, 50 ft·lb)
1. Adjuster 2. Locknut
Rebound damping
STD SETTING: 6 clicks out
1. Rebound damping adjuster
2. Match marks
Don't turn out the adjuster more than 25
clicks from the stiffest position.
Compression damping
STD SETTING: 10 clicks in
1. Compression damping adjuster 2. Match marks
Don't turn out the adjuster more than 20
clicks from the softest position.
WARNING:
The compression damping adjuster is very
hot immediately after a run.
Never allow your bare hand or part of your
body to touch it.
Shock spring
Type
Spring rate
Part number
1.0.
color
(kg / mm)
STD 7 .5 1 RX-22212-00
-
SOFT 7.0 1 RX-22212-10 Blue
HARD 8.0 1 RX-22212-20 Black
Nitrogen gas pressure
STD: 1.777 kPa (12 kg/cm 2 , 171 psi)
MIN: 686 kPa (7 kg/cm 2 , 100 psi)
MAX: 1.480 kPa (15 kg/cm 2 , 213 psi)
4 _ 2 2 L - - - - - - - - - - - - - - - - - - '