15. IGNITION SYSTEM
15-7
IGNITION COIL
REMOVAL
Remove the spark plug cap.
Disconnect the ignition coil wires and
remove the ignition coil bolt and ignition
coil.
INSPECTION
CONTINUITY TEST
Measure the resistance between the ignition
coil primary coil terminals.
Resistance:
90cc/70cc/50cc-4T: 1.5～3.5 Ω/20°C
50cc-2T: 3.7～15.2Ω/20°C
Measure the secondary coil resistances with
and without the spark plug cap.
Resistances:
(with plug cap) : 7～9 KΩ/20°C
(without plug cap) : 2～5 KΩ/20°C
Note: The readings in this table are taken
with a YF-3501 Tester.
The CDI unit is not adjustable. If the
timing is incorrect, inspect the CDI unit,
pulser coil and A.C. generator and
replace any faulty parts.
＊
Correctly operate the tester following the
manufacturer‘s instructions.
＊
Ignition Coil
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