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Stalling tecumseh 100s?

My flymo L47 Pilot has a techumseh 100s which starts and runs briefly then stops. I have cleaned the carb, cleared the jet, cleaned the tank. How do I check that the governor is set correctly?
Robert Allan, June 2008
Govenor is a non-adjustable air-vane type. Apart from checking that thespring isn't mangled, don't mess with it!

Most likely problem is a fouled plug - try a NEW one. If the engine will run if you continue to prime it (assuming a primer is fitted), you have a carb problem. If you have a diaphragm carb, almost certainly the diaphragm is faulty - replacement costs pennies. If a float type carb is fitted, there is still some dirt somewhere in the carb.

phil_saunders@bigfoot.com

Phil Saunders, June 2008
link Click here to see other fixes for Tecumseh.