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

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My lawnboy 10304 runs about one minute and shuts down. Any ideas?

It starts easily. runs about one minute and stops. Will not stop unless I prime the second start. Will run less that a minute and stop again. I hace fresh gas with 32-1 mix.I assume I have a fuel flow or carb problem. Your thoughts please.

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  • Anonymous Mar 31, 2014

    lawnboy run great for awhile then shuts down after it cools it will start then work for awhile the shut down again

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It sounds like it is 2 stroke.
Carefully remove the carb bowl, by undoing the brass bolt.
Examine the brass bolt for a small pin-hole in the side.
Use a piece of corn-broom NEVER anything else !!! and poke the hole(S) to make sure they are clear.
Blow out with air if available.
You can use this method to clean out all the carb orifices carefully.

Hope it helps,

Andy.

Posted on Jul 16, 2009

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Don't worry William, your gas mix is correct, the older lawnboys were gas/oil mix at a 32:1 ratio. Have you cleaned your air filter, take some of your mixed gas and put it into a can, and soak the air filter for a few minutes, then swish it around and kinda of ring it out. That was my problem before. Besides that, I am not sure what else to tell you. Hope that works.

Posted on Jul 05, 2009

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  • 15 Answers

Change the primer bulb it got a air leak

Posted on Jul 17, 2012

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Are you saying that your mower has a 32 to 1 mix of oil and gas? if you are it should be a 4 cycle motor, because push mower motors are normally 4 cycles and you don't have to mix the fuel and oil together for a 4 cycle motor. there should be a separate place to put the oil from the gas.

Posted on Jun 15, 2009

  • 2 stroke Jun 10, 2011

    of course its a 2 cycle. Lawn Boys were famous for thier 2 cycles

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