Yamaha TZ125M1 Owner's Service Manual page 254

<Symptom>
Handlebar
fluctuating
Poor corner
maneuvering
Too much knifing
at cornering
Swinging on
(bounding)
over gaps
<Cause>
Poor of front load
Too soft of front
Machine tends to incline
too much backward.
(Too big caster angle)
Machine tend to incline
too much forward.
(Too small caster angle)
Front dives in too early
Too much damping force
for rebound
Bottoming
7-20
TUN
SETTING
<Measures>
• Decrease spring preload (for front).
• Increase front fork top end.
• Increase rear height.
• Increase spring preload (for rear).
• Increase spring preload (for front).
• Increase damping force (for front).
•Increase rear height.
• Increase spring preload (for rear).
• Decrease damping force for rebound (for
rear).
• Increase front fork top end.
• Decrease spring preload (for front).
• Decrease front fork top end.
• Decrease rear height.
• Increase spring preload (for front).
• Increase damping force for compression
(for front).
• Increase damping force for compression
(for front).
•Decrease damping force for rebound.
• Increase spring preload.