KTM 65 SX Owner's Manual page 63

WHEELS, TIRES
–
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:
400694-01
–
Correct the spoke tension.
–
Check the spoke torque.
Guideline
Spoke nipple
Torque wrench with various accessories in set (58429094000)
x
M3.5
61
3 Nm (2.2 lbf ft)