Checking The Kill Switch; Checking The Alternator - KTM 50 SX 2010 Repair Manual

39/IGNITION SYSTEM

Checking the kill switch

22.4

Checking the alternator

22.5
–
Measure high voltage output of ignition coil against ground.
Ignition coil
Resistance of secondary winding
at: 20 °C (68 °F)
» If the measured value differs from the setpoint value:
–
Change the ignition coil.
–
Fit and connect spark plug connector.
300933-10
–
Connect the special tool to the multimeter.
Peak voltage adapter (58429042000) (
Info
When using the peak voltage adapter, the measurement range of the multi-
meter must be set to DCV.
–
Disconnect the ignition coil.
–
Connect the black measuring lead of the special tool to ground. Connect the red
300960-10
measuring lead to the input plug of the ignition coil.
–
Activate the kickstarter.
Ignition coil
Ignition coil input connector -
ground
» If the displayed value does not equal the specification:
–
Change the ignition coil.
Condition
Fuel tank removed.
–
Disconnect ignition coil and kill switch.
–
Measure resistance on cable of kill switch to ground.
Resistance - kill switch not activated
» If the displayed value does not equal the specification:
–
Check the wiring harness.
–
Change the kill switch.
–
Activate the kill switch.
300986-10
Resistance - kill switch activated
» If the displayed value does not equal the specification:
–
Check the wiring harness.
–
Change the kill switch.
Condition
The fuel tank has been removed.
–
Disconnect the ignition coil and kill switch.
–
Measure the resistance of the alternator against ground.
Alternator
Resistance at: 20 °C (68 °F)
» If the measured value does not equal the specified value:
–
Check the wiring harness.
–
Change the alternator.
300985-10
2.025... 2.475 kΩ
p. 145)
≥ 150 V
∞
0 Ω
450... 500 Ω
120