Yamaha WR250FM Rear suspension setting, Choosing set length, Standard ~ 100 mm 3.5 ~ 3.9

SETTING

T U N

EC72B000

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.

EC72C001

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- ing 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 hold- ing 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 a.

Standard figure:

90 ~ 100 mm (3.5 ~ 3.9 in)

7 - 17