Question about Tecumseh Lawn Boy Push Mowers Insight Silver Powered Series - Sens - A - Speed Walk Behind Mower - 10685

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Lawn boy 2 cycle that smokes

28 years old. gas ration of 32-1 being used. Smokes really bad from under the deck. Sometimes power is there other times it isn't. It always starts up OK

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  • panilling9
    panilling9 May 11, 2010

    since the exhaust is underneath be sure the bottom of the deck is clean of grass especially around the muffler area

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Check the air breather. Make sure it is clean.

If it is clean, you will probably need to replace the diaphragm. A bad diaphragm will cause black smoke and also cause the mower to run erratically.

Jim

Posted on Jun 21, 2009

  • Jim Parker
    Jim Parker Jun 24, 2009

    Did this solution solve the problem?



    Jim

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Just bought a 10 year old lawn boy 2 cyl mower from my neighbor. He had not used it for 5 yrs (heart problems). I put the 2 cyl ashless oil into the gas like the instructins said 32/1 mix. That turned out...


Sounds like you will need to clean your carburetor.
Sometimes you can get by with priming it a few times, and letting it
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but most of the time you will need to rebuild the carburetor.
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When you clean your carburetor and remove the jet screws, count the
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Page 19 of a 2007 Operator's Manual 50:1
HusqvarnaUSA.com
http://www.husqvarna.com/us/homeowner/support/download-manuals/
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