Tell us what your method of checking to spark is. First I would suggest checking for spark out of the coil by holding the end of the coil wire pulled out of the distributor cap about an 1/8 to 3/16 inch from a metal engine parts and have someone crank the engine. Actually an ideal spark should jump a 1/4 inch an be a straight blue thin line. If it is a 6 volt and you have used the starter quite a bit the battery is likely low on charge. Hopefully you have a charger to correct this. If it has been converted to a 12v the battery charge is not as critical but still applies. If you find no spark in the check above the only real good way to check your problem is with a test light or volt meter. Any auto parts store will have a fairly economical test light. First check would be power with the switch on to the coil terminal that does not go to the distributor. The second would be checking the opposite terminal on the coil that does connect to the distributor while cranking the engine to see if it flashes on when the points are open and off when they are closed. If it stays on when the points contacts are closed the faces of the contacts are not clean enough or the are set way to wide. Let us go through these steps and see where it takes us.
Edit for minor corrections.
This post was edited by used red MN on 09/10/2022 at 05:09 pm.
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