Dear MD Took the the carb off again, drained tank ,sprayed with cleaner, let dry. Cleaned carb, made sure diaphragm was in correctly, added Heet to gas can. Started right up and still spitters and sputters when you move the mower next I guess I will change carb. If you tilt the mower back it seems to smooth out somewhat. Almost has to be a fuel problem, you think?
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Murray blowing black smoke
- Thread starter frrich
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Export threadDid you thoroughly clean the carb? Did you install the diaphragms correctly?? Diaphragm to gas-tank, gasket on top? Was gastank cleaned completely? There's no needle and seat adjustment. is the oil over filled? That would cause black smoke. Is the crankcase is building to much pressure? Also check the flywheel key. The engine could have fuel deposits inside causing it to miss fire.
Want to thank everyone for their input trying to solve my problem. Went to the feedmill, where our local Briggs parts are sold, talked to the guy that worked on the mowers, he said once in a while the carbs just are bad, main jets I guess. He sold me a used carb for 8 dollars. I took it home cleaned it completely, put it on pulled the rope, and it's purring like a kitten. Thanks again to all that contributed. Fred