KTM 450 SMR - Manual (Page 25)

0 0 A A
0 0 0 B B
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C C
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MAINTENANCE WORK ON CHASSIS AND ENGINE
23

Measuring rear wheel sag unloaded
ಥ Jack up the motorcycle. ( P. 21)
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ಥ Measure the distance ಥ as vertical as possible ಥ between the rear axle and a fixed
point, for example, a mark on the side cover.
ಥ Make a note of the value as measurement ‘ .
ಥ Remove the motorcycle from the work stand. ( P. 21)

Checking static sag of the shock absorber
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ಥ Measure distance ‘ of rear wheel unloaded. ( P. 23)
ಥ Ask someone to help you by holding the motorcycle upright.
ಥ Measure the distance between the rear axle and the fixed point again.
ಥ Make a note of the value as measurement ‘  .
Info
The static sag is the difference between measurements ‘ and ‘  .
ಥ Check the static sag.
Static sag 15… 20 ‘mm (0.59… 0.79‘in)
» If the static sag is less or more than the specified value:
ಥ
Adjust the spring preload of the shock absorber. ( P. 24)

Check the riding sag of the shock absorber.
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ಥ Measure distance ‘ of rear wheel unloaded. ( P. 23)
ಥ With another person holding the motorcycle, sit on the saddle with full protective
clothing in a normal sitting position (feet on footrests) and bounce up and down a
few times until the rear suspension levels out.
ಥ The other person now has to measure the distance between the rear axle and a
fixed point.
ಥ Make a note of the value as measurement ‘  .
Info
The riding sag is the difference between measurements ‘ and ‘  .
ಥ Check the riding sag.
Riding sag 80… 90 ‘mm (3.15… 3.54‘in)
» If the riding sag differs from the specified measurement:
ಥ
Adjust the riding sag. ( P. 24)