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23 IGNITION SYSTEM
23.1
302
Checking 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 immediately after measuring.
R02810-10
R02811-10
–
Shift gear to neutral.
–
Unplug the spark plug connector and remove it from the igni-
tion wire.
–
Remove the spark plug.
–
Hold the free end of the ignition wire at a distance
ground.
Guideline
A
Distance
–
Press the kick starter robustly through its full range.
Info
Do not open the throttle.
–
Check the ignition spark.
»
If no ignition spark is visible:
–
Check the emergency OFF switch.
–
Check the wiring harness to the emergency OFF switch.
–
Check the kill switch.
–
Check the ground connection of the EFI control unit
and ignition coil.
–
Check the cable from the EFI control unit to the igni-
tion coil.
Info
The EFI control unit cannot be tested using
simple methods but only using an ignition test
bench.
–
Ignition coil - check the primary winding. (
–
Check the crankshaft position sensor. (
–
Check the stator winding of the alternator. (
–
Fit spark the plug connector on the ignition wire again. Mount
the spark plug in the spark plug connector. Hold the spark
plug to ground.
–
Press the kick starter robustly through its full range.
Info
Do not open the throttle.
–
Check the ignition spark.
»
If no ignition spark is visible:
–
Check the spark plug connector. (
–
Change the spark plug. (
A
from
5 mm (0.2 in)
p. 303)
p. 305)
p. 304)
p. 304)
p. 306)
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