Posted by kopeck on February 20, 2013 at 06:22:37 from (169.244.176.116):
I have an old Briggs and Stratton engine that attached to a 3000w gen set that I'm trying to get going.
The big issues is the lack of spark. This engine has the breaker points mounted on the side, the magneto above the flywheel and the magnet in the fly wheel.
I've replace the point and condenser, set the points at .020 and still no joy. I've check the wring as best I could. There's a stud above the flywheel that has three wires attached to it. One from the points, the wire from the magneto and a wire that was attached under one of the screws that holds the points cover on. The stud seems to be isolated, ie it's not grounded.
That last wire didn't quite make sense to me, wouldn't that ground out the system and prevent spark? Maybe it had a kill switch mounter there at one point? Anyway I disconnected it but still no joy. When I tested the circuit with that wire installed both sides of the point were grounded at all time, with it removed it was grounded only when closed. I did remove the wire but I still didn't get any spark.
The magneto isn't pretty at all, that's the only part left to replace. Think I should order one or is there anything else to check first?
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