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

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I have a. Yardman MTD 17.5. Brigs & Stratton 42" Deck it having a starting problem it will start to start then it will quit I checked the starter and it works it will. Also backfire when it tries to start, what do you think it could be

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  • WMDM35 Apr 04, 2012

    Hi the Briggs & Stratton 17.5hp ws out of time when I replaced the timming pin it started but it ran ruff and when I got it to run good after it ran for a wile it shot oil and gas up through the Breather pipe tub so now I don't know what to do. Do you know what it might be. Thanks Walter Martin



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Hello W, to answer your question::there are only two things that will make a mower back fire,the fly wheel keyway is sheared and out of time,or there is a bent or bad valve,of it is a O H V engine the intake push rod will bend because it is aluminum and the weakest,hope this helps,,

Posted on Feb 20, 2012


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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SOURCE: craftsman 22hp lawn tractor when its hot i loose

not a expert just trying to help,, sounds like you have heat problem with the carb or the fuel line,,make sure all the heat sheids are there,, if not repllace them,,cause it will cause the gas to try to vapor lock. hope this help you

Posted on Feb 17, 2010

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SOURCE: I have a craftsman 25 hp 42 deck with brigs

apply a little oil under starter bendix gear and see if that helps.

Posted on Mar 25, 2010

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SOURCE: 10 A Fuse blows each time I shut off engine. Short

Yes, probably a short, and I think you should look at the ignition switch as the first suspect. It has two switches inside - one to send battery power to the various components, and a separate one to ground out the magneto when the mower is turned off. Could be a short between the two parts of the switch. Test it if you have the tools, otherwise try replacing it. Good luck! If this is helpful, please take a moment to rate my solutions, thanks!

Posted on Jun 10, 2010

The GR8 1
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SOURCE: Craftsman 42 inch deck mower.

That model number des not show up as a good number on the site. Are you sure you have the belts on correctly? If it has 2 belts on the deck & 1 is not installed correctly they work against each other. Safely make sure that each blade will turn by hand. did you take the blades off? If they are too long by just a fraction, they will hit ach other, but that usually makes quiet a noise. Get your book out & systematically go over everything you touched or changed. It sounds like something really simple you have overlooked. you can go to & enter a good model number & view all of the parts diagrams. Sometimes they are a big help, & at other times they just confuse you more:). Let me know what you find!!

Posted on Aug 13, 2010

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