Small Engines (Lawn Mowers, etc.)/no spark on briggs motor


I have an old portable generaton with a briggs 6hp engine.  I have not used it for several years. when tried to start, found no spark. replaced the magneto with new one and tried, still no spart.  My question is (a)could it be the gap of the mag on the flywheel (don't know what is correct, but tried many positions to no avail)? or (b) could the flywheel which appears slightly rusty be the issue?

Rust has little, if any impact on the ignition system.

Is there a mark on the ignition module that says "This side up"?

What is the engine model, type and code number?

What was the part number for the replacement coil you purchased?

Let me know the information and I can provide some good advice.


Small Engines (Lawn Mowers, etc.)

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Eric A. Jones


Lawnmower Repair . Certified Master Service Technician from B&S. Have 23 years experience on B&S, Lawn Chief, Weed Eater, Echo, Peerless, Wheel Horse, Snapper, Atlas, MTD, McCulloch, Homelite and many other numerous brands. Specialize in electrical repair.


Born and raised in the midwest. Started tinkering with engines when I was about 14 on my Suzuki RM-80. I began lawn mower repair at a small hardware store. I knew absolutely nothing. I read lots of repair manuals and met an older fellow who taught me many lessons. I continued working on small engines through high school and paid my way through college working on mowers at the same hardware store. Decided to get away from the midwest and mower repair so I joined the Air Force. I repaired air traffic control electronic equipment and ended up in Hawaii where I got a part time job at Small Engine Clinic. I gained a lot of experience from the Small Engine Clinic and had a blast repairing small engines. I then took the Briggs and Stratton Master Service Technician test and earned my MST. I then traveled to Wisconsin where I attended the factory update training seminar and received formal training. Continued working on mowers part time as I completed 20 years of military. Retired from the military on a Friday and continued in the lawn and garden industry the next Monday.

MAS Aerospace Operations BA Mathematics AAS Electronic Communications AAS Electronic Technology

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