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
I enjoy working on small engines because they are smaller, lighter and generally eaiser to repair than automobiles because of their easy access to parts. They also require far less specialized tools and much less room than other types of repair. This means I can always repair or tinker with small engines where ever I live. It is an interesting hobby.
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Here is a link to the service manual: http://www.mymowerparts.com/pdf/Tecumseh-Service-and-Repair-Manuals/TECUMSEH-SER See
Is the model number a TVS90? You can Google the aervive manual. Let me know if you have the TVS. Eric
There could have been a sticker, metal tag or the model tiller model may have been painted on the handle or other metal tiller part. Sometimes age and rust will cause the paint to fade or the sticker
The best method to tell how much horsepower an exhaust system helps produce is to use a dynamometer (dyno) to measure the engine output. It will be very difficult to accurately measure the engine output
Most likely the high carburetor high speed circuit is still blocked by something. Some of those twin carbs can be pretty sensitive. Did you dis-assemble the fuel pump and check the diaphragms and springs?