10 TUNING THE CHASSIS
36
10.12 Checking the basic setting of the fork
Info
For various reasons, no exact riding sag can be determined for the fork.
401000-01
(50 SX, FACTORY EDITION)
– Smaller differences in the rider's weight can be compen-
sated for by the fork air pressure.
– However, if the fork frequently bottoms out (hard end stop
on compression), the fork air pressure must be increased,
within the specified values, to avoid damage to the fork
and frame.
(50 SX MINI)
– As with the shock absorber, smaller differences in the rid-
er's weight can be compensated by the spring preload.
– However, if the fork frequently bottoms out (hard end stop
on compression), harder springs must be fitted to avoid
damage to the fork and frame.
10.13 Adjusting the fork air pressure (50 SX, FACTORY EDITION)
Warning
Danger of accidents Modifications to the suspension setting may seriously alter the handling characteris-
tic.
Extreme modifications to the suspension setting may cause a serious deterioration in the handling char-
acteristic and overload components.
– Only make adjustments within the recommended range.
– Make sure your child rides slowly to start with after making adjustments in order that he or she can
assess the new handling characteristic.
Info
Check or adjust the air pressure under the same conditions at the earliest 5 minutes after switching off
the engine.
The air suspension is located in the left fork leg. The rebound damping is located in the right fork leg.
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 40)
F02188-10
Main work
–
Remove protection cap
1
.
–
Push together fork airpump
2
fully.
Fork airpump (79412966100)
Info
The fork airpump is included as part of the motorcycle's
accessory pack.
– Connect the fork airpump to the left fork leg.
The fork airpump indicator switches on automatically.
A little air escapes from the fork leg when connecting.
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