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Briggs Model 23, Ignition Question

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#1 engineguy63 OFFLINE  

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Posted July 02, 2014 - 06:27 AM

I believe my engine is a model 23.......maybe a or b, even, but its sizable so I guess its the 9hp. (Copar Panzer)

I started it the other day with no issues, then It would not start later in the day. The next day it showed no spark and then later I got spark and drove it around....quit in front lawn and coasted it to where it is now. I cleaned the points and it now shows no spark. I am probably gonna change the capacitor, but something is telling me I have a bad coil Were these engines having problems with bad coils? seams I read the coils were not the best so, not sure weather to find a new coil or maybe electronic swap??? What is typically done to make them reliable?  I am sure you guys no all the tricks!!! Thanks.  

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Posted July 02, 2014 - 08:10 AM

Could be the condenser. I don't have much experience with Briggs.


Check out the thread "picked up an MTD 990" by Sawdust.

He shows he bought an electronic conversion and is happy with it. 

#3 Bolens 1000 ONLINE  

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Posted July 02, 2014 - 08:15 AM

The easiest thing to do would be replace your points and condenser to rule those out.

The electric conversion only replaces the points/condenser system and is not a replacement for a coil.


Check all your wiring including the plug wire and if its old replace it, old wire becomes brittle and can break apart causing a short in the system


If you post a picture of your engine someone should be able to ID it. If you need any parts let me know

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#4 boyscout862 ONLINE  

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Posted July 02, 2014 - 08:32 AM

I have more than a dozen of the old Briggs and Stratton 9 and 10 hp cast iron engines. My most common problem is corrosion of the points the second is mouse nest in the engine. The darned mice chew on the wires and short out the magneto. We have  excellant manuals on the old B&S engines in our Manuals Section  http://gardentractor...pairman-manual/   and  http://gardentractor...ines-1919-1981/


Good Luck, Rick

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Posted July 02, 2014 - 08:59 AM

I went the electronic ignition route its worked out well.

#6 trowel OFFLINE  



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Posted July 02, 2014 - 04:42 PM

The model 9, 14, 19 and 23 can not be switched to electronic ignition.


As Rick and Brian said check everything, post some pictures for visual aid.

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#7 superaben OFFLINE  


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Posted July 02, 2014 - 05:06 PM

If it suddenly stopped like that, I suspect a wire is grounding.  Maybe the points cover ate into the leadout.  Maybe the kill wire got rubbed wrong.


Ben W.

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#8 jabelman OFFLINE  

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Posted July 02, 2014 - 06:16 PM

Check the kill wire as ben said i had one where the casing was cracked and intermittantly would cut out or a loose wire/solder joint
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#9 Lauber1 OFFLINE  


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Posted July 02, 2014 - 08:29 PM

The model 9, 14, 19 and 23 can not be switched to electronic ignition.


As Rick and Brian said check everything, post some pictures for visual aid.

I agree with this. I believe that system was called a magnamatic. Theres no keyed flywheel like other briggs models, just a taper and a pointer where you have to set the flywheel to, according to engine size. The mag is on the inside of the flywheel and the points out in a little box. I've seen several of these die during shows. Run fine until they don't.

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