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JohnF2015, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1132
Experience:  Owner/Service Technician at S & J Small Engines
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Vanguard v twin 16 horse a bolt got into the flywheel area

Customer Question

vanguard v twin 16 horse a bolt got into the flywheel area and stopped the engine. removed bolt turns over but no spark. where do I start?
JA: Do you have fuel in the tank? If so, is the shut-off valve open and the fuel clean?
Customer: yes to all
JA: Do you plan on doing the work yourself?
Customer: I don't want to however I'm willing to try
JA: Anything else we should know to help you best?
Customer: It was running great before the mystery bolt.Is there a pick up on the flywheel
Submitted: 1 year ago.
Category: Small Engine
Expert:  JohnF2015 replied 1 year ago.

Hi, my name is***** will be assisting you.

Yes, there is a magnet on the flywheel that when it passes the ignition coils will trigger them to fire. You can check to make certain that the magnet is not damaged.

Then, take a close look at the small wires that are attached to the ignition coils, if they are damaged it could ground the coils out and keep them from firing.

You can also unplug these small wires from the ignition coils and see if you have spark to the plugs then. If you do have then you know the problem is backwards in the wiring. If you still have no spark then the ignition coils are bad and will need to be replaced.

Thank you it has been a pleasure to assist you.

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