Yamaha JOG CS50 (Z) (2002) [169/204] Ignition system

Yamaha JOG CS50 (Z) (2002) [169/204] Ignition system
ELEC
IGNITION SYSTEM
8-10
EAS00744
3. Spark plug cap resistance
Remove the spark plug cap from the spark
plug lead.
Connect the pocket tester (“ x 1k” range)
to the spark plug cap as shown.
Measure the spark plug cap resistance.
Spark plug cap resistance
10K at 20°C
Is the spark plug cap OK?
EAS00746
4. Ignition coil resistance
Disconnect the ignition coil connectors
from the ignition coil terminals.
Connect the pocket tester ( x 1) to the
ignition coil as shown.
Positive tester probe  red/black
Negative tester probe
 orange (gray)
Measure the primary coil resistance.
Primary coil resistance
0.56 ~ 0.84 at 20°C
Connect the pocket tester ( x 1k) to the
ignition coil as shown.
Negative tester probe

spark plug lead
Positive tester probe

ground
Measure the secondary coil resistance.
Secondary coil resistance
5.68 ~ 8.52 k at 20°C
Is the ignition coil OK?
EAS00749
5. Main switch
Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
Is the main switch OK?
Replace the spark
plug cap.
Replace the ignition
coil.
Replace the main
switch.
YES
NO
YES
NO
YES
NO

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