Yamaha TZ250M, Owner'S Service Manual

Page: 86 / 287

REAR SHOCK ABSORBER SPRING PRELOAD
ADJUSTMENT
3-33
INSP
ADJ
Seat height adjustment steps:
• Remove the cap
1
.
• Loosen the lock bolt
2
and locknut
3
.
• Turn the adjuster
4
in or out.
Adjuster set length
a a
:
Standard length Extent of adjustment
27 mm (1.06 in)
21~33 mm
(0.83~1.30 in)
≠
NOTE:
If the adjuster set length
a
is changed, the
seat height will be increased or decreased
by twice the change.
CC CAUTION:
Never attempt to turn the adjuster
beyond the maximum or minimum
length.
• Tighten the lock bolt and locknut.
Lock bolt:
40 Nm (4.0 m•kg, 29 ft•lb)
Locknut:
38 Nm (3.8 m•kg, 27 ft•lb)
¶
• Install the cap.
3. Install:
• Fuel tank
EC36M051
REAR SHOCK ABSORBER SPRING PRE-
LOAD ADJUSTMENT
1. Hold the machine on upright position by
placing the suitable stand.
2. Loosen:
• Locknut
1
NOTE:
When loosening the locknut, use the special
tool
2
which is included in the owner’s tool kit.
3. Adjust:
• Spring preload
By turning the adjuster
3
.
Stiffer
≥ ≥
Increase the spring preload.
(Turn the adjuster
3 3
in.)
Softer
≥ ≥
Decrease the spring preload.
(Turn the adjuster
3 3
out.)