Yamaha YZ85 2005 Manuel D'atelier Du Proprietaire page 494

Choosing set length

1. Place a stand or block under the engine to

put the rear wheel above the floor, and

measure the length a between the rear

wheel axle center and the rear fender hold-

2. Remove the stand or block from the engine

and with a rider astride the seat, measure

the sunken length b between the rear

wheel axle center and the rear fender hold-

3. Loosen the locknut 1 and make adjust-

ment by turning the spring adjuster 2 to

achieve the standard figure from the sub-

traction of the length b from the length a.

If the machine is new and after it is broken in,

the same set length of the spring may

change because of the initial fatigue, etc. of

the spring. Therefore, be sure to make re-

If the standard figure cannot be achieved by

adjusting the spring adjuster and changing

the spring set length, replace the spring with

an optional one and make re-adjustment.

Standard figure:

75 ~ 85 mm (3.0 ~ 3.3 in)