Yamaha RAPTOR 250 YFM350RV Owner's Manual page 106

1. Special wrench
1. Clé spéciale
1. Llave especial
A. Spring length
A. Longueur du ressort
A. Longitud del muelle
A
4-35
NOTE:
_
A special wrench can be obtained at a Yamaha
dealer to make this adjustment.
_
3. The length of the spring changes 1.5 mm per
turn of the adjusting nut.
Measurement A:
Installed length:
Standard: 228.5 mm
Minimum (hard): 218.5 mm
Maximum (soft): 233.5 mm
4. Tighten the locknut to the specified torque.
Tightening torque:
42 Nm (4.2 m·kgf)