MAINTENANCE WORK ON CHASSIS AND ENGINE 54
9.68Checking 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.
400695-01
– Remove the dust 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 dust cap.
9.69Checking 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.
400694-01
– Briefly strike each spoke with the tip of a screwdriver.
Info
The tone frequency depends on the length of the spoke and the spoke diam-
eter.
If you hear different tone frequencies from different spokes of equal length
and diameter, this is an indication of different spoke tensions.
You should hear a high note.
» If the spoke tension varies:
–
Correct the spoke tension. x
– Check the spoke torque.
Guideline
Spoke nipple, front wheel M4.5 5… 6 Nm (3.7…
4.4 lbf ft)
Spoke nipple, rear wheel M5 5… 6 Nm (3.7…
4.4 lbf ft)
Torque wrench with various accessories in set (58429094000)
9.70Ignition curve plug connection
B00029-10
Plug connection is located in front of the fuel tank on the left side of the frame.
Possible states
• Soft – The plug connection is disconnected to achieve better rideability.
• Performance – The plug connection is connected to achieve better performance.
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