KTM 65 SX 1999, Owner'S Manual, Page: 63 / 91

13 WHEELS, TIRES
61
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Correct the tire pressure.
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Mount the protection cap.
13.7 Checking spoke tension
Warning
Danger of accidents
Instable handling due to incorrect spoke tension.
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Ensure that the spoke tension is correct. (Your authorized KTM workshop will be glad to help.)
Info
A loose spoke can cause wheel imbalance, which leads to more loose spokes in a short time.
If the spokes are too tight, they can break due to local overload.
Check the spoke tension regularly, especially on a new motorcycle.
400694-01
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Briefly strike each spoke with the blade of a screwdriver.
Info
The frequency of the tone depends on the spoke length and diameter.
If you hear different tone frequencies from spokes of the same length and
thickness, this is an indication that the spoke tension differs.
You should hear a high note.
» If the spoke tension differs:
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Correct the spoke tension.
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Check the spoke torque.
Guideline
Spoke nipple M3.5 3 Nm (2.2 lbf ft)
Torque wrench with various accessories in set (58429094000)