Ignition Coil

I have a '78 Vespa Grande Deluxe that isn't getting spark. How would I test for a faulty ignition coil?

Re: Ignition Coil

♣Slew Foot♣ /

take the plug out, take the wire from the magneto that goes to the HT coil, take it off coil. take a 6v battery put neg on bike frame put plug against frame or head strike the positive on the coil terminal that you took the wire off of.

if it sparks its good, now if it has a multi pole ht coil there is a safety mech to negate spark if the electricals are not right where the chart is shaded is required to have an operational HT circuit.

Magneto-Wires-Chart1-591x800.jpg
Wiring-of-Ignition-Ext-Int-Ground-600x658.jpg

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