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Toro riding mower won't start

The engine cranks ok. the spark appears weak.

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  • joeeisenberg May 11, 2010

    Even a weak spark should trigger an explosion in the cylinder. Basic components needed are spark, fuel, air, compression. Are you sure there is fuel getting into the cylinder? Can you smell it or see any on the plug? You mention the engine cranks okay, but does it have compression? A compression tester is only like $15.00 at your local auto parts shop and is a great investment for anyone who likes to tinker. How long has it been since you last started the engine? if it has been more than a few weeks then it is worth your time to pull off the carburetor and give it a quick cleaning. This alone may get it running.

    Best of luck to you!



  • Anonymous Mar 31, 2014

    I have a YTH22V46 22HP Riding mower that when cold it will crank but not start up at all. I use the choke as directed but it won't start.



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Try a new spark plug or clean and gap the old one

Posted on May 09, 2009


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