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So I told a friend I would fix his grandmother's mower. What I didn't know is that it sat outside for a few years. There was lots of rust on the coil, and sanded it clean. I gave up on the carb and swapped in one from another Tecumseh. It does run different, but overall very unacceptable, and with some of the same misfire characteristics. The engine will surge badly, then find itself, and then it will sit there and run rough with a terrible misfire. After a few minutes of that, it will start surging again. The carb I put in I think is from a newer model than the one that was on the mower, it had a plug over the jet. I took the carb apart and sprayed it down with carb cleaner. I took the jet out and made sure it was clean. I have swapped the jets. I have changed the spark plug. There doesn't seem to be any oily residue around the head. I have even used a last-resort carbon removal method...water through the carb, hoping It would dis-lodge any piece of carbon. I don't know what else to do. Any suggestions are appreciated.
something told me not to take this job...I'm going back outside to mulch with my Lawn Boy.
something told me not to take this job...I'm going back outside to mulch with my Lawn Boy.