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Tired coils and bad wires

  • Thread starter Thread starter JEEPRUSTY
  • Start date Start date
J

JEEPRUSTY

Guest
I got caught in a rainstorm this week. My caps, wires or coils are bad.
Rather than dicking with 30 year old parts I thought I would go with Dyna coils and wires.

I know we have 3 ohm coils on the bikes but what is the difference between the mini coils and the green coils. DO any of the variants of the min and the green coils work identically to the OEM format of a wasted spark system?

Ignition will not be changed due to a total lack of options in that area.
 
I have a set of the Dyna coils(green) on my Yamaha Seca 750, TCI and they are fine.

I was warned by a Dyna Coil distributor to stay away from the mini coils for a street bike. They are a weight saving product for drag bikes and do not perform well in a high duty cycle situation.

I second Chucks advice. It's fairly easy to replace the wires on the stock coils. If you leave the wires a few inches too long you can re use them on the new coils if the stock coils turn out to be bad. Then your only out an hour's labor.
 
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Replace your caps first then run tests. They do go bad with age and moisture. Same thing happened to my bike in the beginning. The wires can be replaced, but you would have a lot hotter spark with a set of Dyna green coils and Dyna suppression wires.
 
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Coils don't really go bad, it's extremely rare. 99% of the time, it's the wires and caps. Even my vintage guy won't sell coils, because he says they don't go bad, haha. I tried to get one for my 750, and I had to convince him the previous owner put the Wrong coil(3ohm coil) on my bike, and it was eating up my points.
 
Try a used set of Bandit coils for 39.00 on ebay. After you check/replace wires/caps. Todays coils, cheap price.
 
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