Re: Super A coil

Posted by K.B.-826 on February 22, 2005 at 19:48:42 from (209.163.30.23):

In Reply to: Super A coil posted by Cris on February 22, 2005 at 18:28:35:

First we need to eliminate the possibilty of a fuel-flow problem. Look at the bottom of the carb bowl. You'll see a plug. Get yourself a container and the wrench to remove the plug. Run the engine until it stalls, then quickly move your container under the carb and remove the plug. If you don't have a strong, steady stream of fuel coming out of that plug, there's a restriction somewhere between the tank and the carb. That's the most common thing that would cause the type of problem you describe. The next most common thing probably would be the coil. The coil you describe sounds different, but should have worked. There are three types of coils- 6 volt, externally resisted 12 volt, and internally resisted 12 volt. With a 12-volt system, the voltage going to the coil needs to be reduced to 6 volts, to avoid burning the points. A resistor is used to accomplish this, the only difference between the two is the location of the resistor. A 12-volt externally resisted coil will be the same as a 6 volt, if you don't have a resistor wired in ahead of it, but if you get a internally resisted coil by mistake and try to use it with your 6 volt system, it will cut the voltage to the points to almost nothing.

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