Suzuki LT-Z250 Service Manual page 246

8-18 ELECTRICAL SYSTEM
Step 3
1) Measure the ignition coil primary peak voltage. (!8-19)
NOTE:
This inspection method is applicable only with the multi circuit tester and the peak volt adaptor.
Is the peak voltage OK ?
YES Go to Step 4.
NO Go to Step 5.
Step 4
1) Inspect the spark plug. (!2-7)
Are the spark plug OK ?
YES
NO Faulty spark plug
Step 5
1) Inspect the ignition coil. (!8-20)
Are the ignition coil OK ?
YES Go to Step 6.
NO Faulty ignition coil
Step 6
1) Measure the pickup coil peak voltage and its resistance. (!8-20 to -21)
NOTE:
The pickup coil peak voltage inspection is applicable only with the multi circuit tester and peak volt adaptor.
Are the peak voltage and its resistance OK ?
YES
NO Faulty pickup coil
Poor connection of the spark plug cap
Go to Step 5.
Faulty CDI
Open circuit in wiring harness.
Poor connection of ignition couplers