39/IGNITION SYSTEM 119
22.1Checking the ignition system
Warning
Risk of injury The ignition system is under high voltage.
– To avoid the danger of an electric shock, do not touch metal parts and the ends of the connection cable during and imme-
diately after measuring.
– Remove the fuel tank. ( p. 42)
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– Pull out the spark plug connector and remove the spark plug connector from the
ignition wire. Keep the free end of the ignition wire at a distance of from the
ground.
Guideline
Distance 5 mm (0.2 in)
– Forcefully step on the kickstarter, pushing it all the way down.
Info
Do not open the throttle.
– Check the ignition spark.
» If there is no visible ignition spark:
– Check the kill switch. ( p. 120)
– Check the cable from the alternator to the ignition coil.
– Check the ignition coil. ( p. 119)
– Check the spark plug connector. ( p. 119)
– Change the spark plug.
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– Mount the spark plug connector back on the ignition wire. Turn out the spark plug
and insert it into the spark plug connector. Keep the spark plug connected to
ground.
– Forcefully step on the kickstarter, pushing it all the way down.
Info
Do not open the throttle.
– Check the ignition spark.
» If there is no visible ignition spark:
– Change the spark plug.
22.2Checking the spark plug connector
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– Measure the removed spark plug connector with a multimeter.
Spark plug connector
Resistance at: 20 °C (68 °F) 4.3… 5.7 kΩ
» If the displayed value does not equal the setpoint value:
– Change the spark plug connector.
22.3Checking the ignition coil
Condition
Fuel tank removed.
– Remove the spark plug connector.
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