Troubleshooting - Suzuki GZ250 Service Manual

6-19 ELECTRICAL SYSTEM

TROUBLESHOOTING

No spark or poor spark
Check the ignition system couplers for poor
connections.
Correct
Measure the battery voltage between in put
Correct
lead wires (O/W and B/W) at the igni ter
with the ignition switch in the "ON" position.
Measure the ignition
coil primary peak
voltage. (See p. 6-
20.) NOTE: The ignition coil peak voltage
inspection method is applicable only with
Incorrect
the multi circuit
tester and the peak
volt adaptor.
Inspect the ignition coil.
(See p. 6-21. )
Correct
Measure the pick-up coil peak voltage and
resistance. (See pp. 6-22 and -23.) NOTE:
The pick -up coil peak voltage inspection is
applicable only with the multi circuit tester
and the peak volt adaptor.
Correct
* Check that the transmission is in neutral and the engine
stop switch is in the "RUN" position. Grasp the clutch
lever. Check that the fuse is not blown and the battery
is fully-charged before diagnosing.
• Poor connection of couplers
Looseness
Incorrect
• Faulty turn signal/side-stand
• Faulty engine stop switch
• Broken wire harness or poor
Correct
Inspect the spark plug. (See
p
p. 2-4 and -5.)
Incorrect
• Faulty igniter unit
• Faulty spark plug
• Poor
Incorrect
• Faulty ignition coil
• Faulty generator
Incorrect
• Faulty
ignition switch
relay
connection of
related circuit
couplers
Incorrect
Correct
conne
ction
of the spark plug cap.