KTM 450 SMR Motorcycle User Manual


 
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MAINTENANCE WORK ON CHASSIS AND ENGINE 23
Measuring rear wheel sag unloaded
Jack up the motorcycle. ( P. 21)
400389-10
Measure the distance as vertical as possible between the rear axle and a fixed
point, for example, a mark on the side cover.
Make a note of the value as measurement
.
Remove the motorcycle from the work stand. ( P. 21)
Checking static sag of the shock absorber
400383-10
Measure distance of rear wheel unloaded. ( P. 23)
Ask someone to help you by holding the motorcycle upright.
Measure the distance between the rear axle and the fixed point again.
Make a note of the value as measurement
.
Info
The static sag is the difference between measurements and.
Check the static sag.
Static sag 15… 20mm (0.59… 0.79in)
» If the static sag is less or more than the specified value:
Adjust the spring preload of the shock absorber. ( P. 24)
Check the riding sag of the shock absorber.
400384-10
Measure distance of rear wheel unloaded. ( P. 23)
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.
The other person now has to measure the distance between the rear axle and a
fixed point.
Make a note of the value as measurement
.
Info
The riding sag is the difference between measurements and.
Check the riding sag.
Riding sag 80… 90mm (3.15… 3.54in)
» If the riding sag differs from the specified measurement:
Adjust the riding sag. ( P. 24)