Yamaha WR250F Manuel D'atelier page 668

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Rear suspension setting

The rear suspension setting should be made

depending on the rider's feeling of an actual

run and the circuit conditions.

The rear suspension setting includes the fol-

lowing two factors:

1. Setting of spring preload

Change the set length of the spring.

Change the spring.

2. Setting of damping force

Change the rebound damping.

Change the compression damping.

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

holding bolt.

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 holding bolt.

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

Standard figure:

90 ~ 100 mm (3.5 ~ 3.9 in)