Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model
Wow, my Sears Riding lawn mower has just started this little problem this year. It starts right up, but after 40 minutes (1st time), 20 minutes (2nd time) it starts reving/stalling, just like when they run out of gas, though it has plenty of gas in it. I changed the fuel filter as well as buying it a new battery at the start of the season this year. After I let it sit a while, it'll start up again and run for a short period of time, like 20 minutes and starts that dying business all over again.
I'm not sure how long I've had this mower, it's a 917.273080 model. Last year I had the fuel pump replaced through a small engine repair shop. I'm taking it to another small engine repair shop. My fuel filters I buy are clear plastic so you can see how things are going. My brother says it sounds like it's vapor locking.
If my repair man can solve this problem, I'll come back and report. Anybody else dealing with this exact problem?
Sue your brother is right! I had the same problem and it turned out to be the gas cap. the small breather hole on the top was plugged with dirt. once I cleaned it out I took the rubber gasket out from the bottom of the cap and cleaned that as well. runs great now.
Posted on Jul 14, 2009
It could be vapor lock. Vapor lock is a condition where the hot gasoline turns into vapor bubbles either in the fuel line or carb. When it happens, the vapors will cut off fuel flow thru the carb, essentially causing the engine to run out of fuel. You should re-route or isolate the fuel line away from the heat of the engine and install an inline fuel filter close to the carb. Also make sure that the cooling fins are not clogged up with trash or something that is causing the engine to overheat.
Defective Ignition Components
Although this is more common on older point style engines, there is a possibility that an ignition component is breaking down after the engine reaches a certain heat range. While not exactly easy, you can diagnose this situation by installing a spark tester between the spark plug and the spark plug wire and watching to see if spark is present when the engine dies.
If the engine is equipped with a point style ignition, there is a very strong possibility that the condenser is failing and should be tested or replaced.
Posted on Jul 13, 2009
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Posted on Jan 02, 2017
Go to "sears.com", have your model number ready and go to the parts link. You will beable to view an exploded view of your mower and order parts on line if you like.
Hope this fixes your question, let me know.
Posted on Jun 12, 2009
C I am thanking a lot for dealing with my matter and very much I am counting for your help in getting the list of the spare parts with catalogue numbers of my model of the garden small tractor.
I am greeting Ted
Posted on Nov 25, 2008
start out with a pint and check it if it's still reading low add a little at a time until it gets to the full mark..good luck
Posted on Apr 10, 2010
check two things, make sure the by-pass rod is pushed all the way in and the drive belt from the engine to the rear end (tranaxle). If both check out ok do not attempt to service the tranaxle at home. have thet serviced by a dealer.
Posted on Jun 02, 2010
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