39/IGNITION SYSTEM
101
22.1
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 imme-
diately after measuring.
Condition
The fuel tank has been removed.
–
Shift gear to neutral.
300885-10
–
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 short circuit button. (
–
Check the ground connection of the CDI controller and the ignition coil.
–
Check the ignition coil. (
Info
The CDI controller cannot be tested using simple tools but requires
an ignition test bench.
–
Check the ignition pulse generator. (
300886-10
–
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:
–
Check the spark plug connector. (
–
Change the spark plug.
22.2
Checking the short circuit button
Condition
The start number plate has been removed.
300961-10
–
Disconnect plug
FD
from the CDI controller.
–
On the cable harness side of plug
FD
, measure pin
8
against ground.
Resistance - short circuit button not
confirmed
∞
» If the displayed value does not equal the specification:
–
Check the wiring harness.
–
Change the short circuit button.
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