Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model

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I own a craftsman tractor 17.5 Horsepewer. my tractor is losing power and the muffler starts to get red after 1 minute.

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Roger Geer

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This indicates a over fuel problem . I suggest your take it in and have a certified tech check out the problem, rather than DIY and risk loosing that engine.

Posted on Oct 22, 2009


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Craftsman lawn tractor

Backfires are caused by unburned fuel, after you shut off the mower, and you try to restart it, if you have any leaks, it will push any unburnt fuel towards the muffler, and that will ignite once it gets in a hot muffler. First try starting it at 1/4 to 1/2 throttle. I also suggest you try shutting down the motor at 1/4 to 1/2 throttle.

What this problem usually means is you need to rebuild your carburetor, with this poor quality ethanol fuel they force us to use these days, it will eat up your gaskets and rubber seals inside your carb.

What I found that helped me with my mower, was using non-ethanol gas. Its hard to find and is usually expensive, but that solved most of the problems I was having with my 10 year old craftsman mower, which has the 17.5 kohler motor.

Apr 27, 2014 | Craftsman Garden

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Partial loss of power

It could be a short in the magnito a dirty carb prob. Or foul plug also use fresh gas to narrow the broblem. I almost forgot check the compression.

Jun 21, 2013 | Craftsman Kohler Courage 26 hp 54" Garden...

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Craftsman 14.5 h.p. mower just started losing power, so i shut it off. when i refired it, it only idled for a minute and went dead. now, when i try to start it, it just spins unless i hold the choke...

take off the muffler and try it to see if it runs better if so muffler is clogged and will need to be replaced.
that will cause it to lose power.

Jun 28, 2010 | Craftsman Garden

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Starts OK but after about 15 or 20 minutes starts losing power and after moving throttle up and down for five minutes or so to keep going dies After cooling for twenty or thirty minutes will start and go...

When your ignition coil get to engine temp. it will begin to lose its power, therefore your engine will eventually shut down, when it cools it will start up again,
Good luck

Jul 02, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

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