Outdoor Power Equipment and Small Engines - Carburetor rebuild neccessary?

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Jack B.
08-31-04, 06:41 PM
I have a sears model 502.251220 rear engine riding lawnmower with a 10 HP tecumseh engine model #- 143.951010. When it came in it sounded like it was running with the choke closed...so I took the air filter off (which was pretty dirty) and it seemed to run O.K. So the next day I replaced the air filter and pre-filter. It ran O.K. for a while, then started blowing black smoke and finally died. I'm going to rebuild the carburetor...just wondering, what else would cause these symptions? :confused:

cheese
09-01-04, 01:06 AM
A carb problem is pretty much all it could be. You may have a bad float, those carbs were notorious for bad floats.