BMW S 1000 RR - Service Manual download pdf (Page 51)

Spring preload

Setting

It is essential to set spring pre-

load of the front suspension to

suit the terrain. Increase spring

preload for riding in rough terrain

and reduce if the terrain is level.

It is essential to set spring pre-

load of the rear suspension to

suit the load carried by the mo-

torcycle. Increase spring preload

when the motorcycle is heavily

loaded and reduce spring preload

accordingly when the motorcycle

is lightly loaded.

Adjusting spring preload

for front wheel

Make sure the ground is level

and firm and place the motor-

cycle on its stand.

Make sure there is no load

on the motorcycle; remove all

items of luggage, if carried.

Hold the motorcycle upright

and measure distance d from

bottom edge 1 of the outer

tube to front axle 2.

Apply the rider's weight to the

motorcycle.

With the assistance of a

second person, measure

distance d between points 1

and 2 again and calculate the

difference between the two

readings.

Load-dependent adjust-

ment of spring preload

Negative spring displace-

ment of front wheel

10...15 mm (With rider

85 kg)

Your motorcycle's hand-

ling will suffer if you do not

match the spring-preload and

damping-characteristic settings.

Adjust the damping characteristic

to suit spring preload.

To reduce the difference (in-

crease spring preload, in other

4

47

z

Operation

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