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1. Spring preload adjusting nut
2. Locknut
3. Special wrench
1. Écrou de réglage de la précontrainte de ressort
2. Contre- écrou
3. Clé speciale
1. Tuerca de ajuste de precarga del resorte
2. Contratuerca
3. Llave especial
A. Spring length
A. Longueur du ressort
A. Longitud del resorte
Adjust the spring preload as follows.
1. Loosen the locknut.
2. Turn the adjusting nut in direction a to
increase the spring preload and in direction
b to decrease the spring preload.
3. The
length
changes 1.5 mm per turn of the adjusting
nut.
NOTE:
A special wrench can be obtained at a Yamaha
dealer to make this adjustment.
Measurement A:
Installed length:
Minimum (hard):
Standard:
Maximum (soft):
4. Tighten the locknut to the specified torque.
Tightening torque:
Locknut:
30 Nm (3.0 m0kgf)
4-31
of
the
spring
(installed)
246.5 mm
255 mm
261.5 mm
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