13 WHEELS, TIRES 72
13.5 Checking the tire condition
Info
Only mount tires approved and/or recommended by KTM.
Other tires could have a negative effect on handling characteristics.
The type, condition and air pressure of the tires all have an important impact on the handling characteristics of the motorcycle.
The front and rear wheels must be mounted with tires with similar profiles.
Worn tires have a negative effect on handling characteristics, especially on wet surfaces.
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– Check the front and rear tires for cuts, run-in objects and other damage.
» If the tire exhibits cuts, run-in objects or other damage:
– Change the tire.
– Check the depth of the tread.
Info
Note local national regulations concerning the minimum tread depth.
Minimum tread depth ≥ 2 mm (≥ 0.08 in)
» If the tread depth is less than the minimum permissible depth:
– Change the tire.
– Check the tire age.
Info
The tire's date of manufacture is usually part of the tire markings and is
indicated by the last four digits of the DOT marking. The first two digits indi-
cate the week of manufacture and the last two digits the year of manufac-
ture.
KTM recommends that the tires be changed after 5 years at the latest,
regardless of the actual state of wear.
» If the tire is older than five years:
– Change the tire.
13.6 Checking the tire air pressure
Info
Low tire air pressure leads to abnormal wear and overheating of the tire.
Correct tire air pressure ensures optimal riding comfort and maximum tire service life.
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– Remove the protection cap.
– Check the tire air pressure when the tires are cold.
Tire air pressure off road
Front 1.0 bar (15 psi)
Rear 1.0 bar (15 psi)
» If the tire pressure does not meet specifications:
– Correct the tire pressure.
– Mount the protection cap.
13.7 Checking the spoke tension
Warning
Danger of accidents Instable handling due to incorrect spoke tension.
– Ensure that the spoke tension is correct. (Your authorized KTM workshop will be glad to help.)
Info
A loose spoke causes wheel imbalance and rapidly leads to more loose spokes.
If the spokes are too tight, they can break due to local overload.
Check the spoke tension regularly, especially on a new motorcycle.
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