15. ELECTRICAL EQUIPMENT
15-11
Electrical System Circuit Inspection
Pulse Generator / Exciting Coil
Remove body cover.
Disconnect alternator coupler.
Resistance Measurement: (20℃)
Pulse generator coil (blue/yellow - ground):
50~200Ω
Exciting (yellow - ground): 400~800Ω
CDI Electrical System Circuit Inspection
Remove body cover.
Disconnect the CDI set coupler, and check its
circuit to diagnosis related ignition components.
CDI Electrical System Circuit Inspection
Item Measure at:
Standard (at 20℃)
Main Switch Black/white-green Continuity as main switch OFF
Exciter Coil Black/Red-Green 400 ~800Ω
Pulse Coil Blue/Yellow-green 50 ~200Ω
Primary Black/yellow-green 0.21Ω±10%
Green-high voltage cable -w/o Cap 3~5KΩ
Ignition Coil
Secondary
Green-high voltage cable - w/ Cap 7~12KΩ
y If above checks are in normal but spark plug is still no spark. Then it probable causes from CDI set
or high voltage coil.
y If abnormal circuits are found in above checks, at first check all items, and then check each item one
by one.
AC generator
harness coupler
C.D.I.
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