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TRBL
ANLS
TROUBLE SHOOTING FOR PEAK VOLTAGE
Items
1.
Poor starting
2.
Unstable idling
speed
3.
Unstable engine
speed
Check the ignition system.
1) Check the lead to ignition coil, CDI unit, pulser coil and charge coil.
NG
OK
2) Check the spark gap.
NG
OK
3) Check the plug cap (resistance).
NG
OK
4) Check the ignition coils (resistance).
NG
OK
5) Check the CDI unit resistance and output peak voltage.
OK
NG
6) Check the charge coil resistance and output peak voltage.
NG
OK
7) Check the pulser coil resistance and output peak voltage.
NG
OK
Replace the CDI unit.
TROUBLE SHOOTING FOR PEAK VOLTAGE
• No firing. The starter motor cranks the engine, but no firing takes
place in the cylinder.
• Firing takes place in the cylinder, but the engine stops soon.
• Start-up time is too long. The engine will not start up easily.
• The engine speed is not stable at idle.
• The engine stalls when the throttle lever is opened.
• The engine stalls after it is warmed up.
• The engine does not run smoothly.
• The engine speed drops during acceleration.
Contamination, Loose connection
Corrosion
Above specification
Out of specification
Out of specification
Above specification
Below specification
Below specification
Symptoms
9-4
Clean,
Correct.
Replace the spark plug.
Replace.
Replace.
Replace the ignition coil.
Replace the charge coil.
Replace the pulser coil.
E
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