Question about Craftsman 20 Hp 42" Deck Lawn Tractor

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My 16 hp briggs and stratton turbo cooled engine quit running while mowing. I have good spark and fuel What else could be the problem?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 72 Answers

SOURCE: 19 hp Twin Briggs and Stratton engine floods after a minute

Replace the float, sometimes they get saturated and look fine but are'nt. Also clean out the jets and bowl. The needle and seat may be worn as well. In other words, rebuild the carb. This time of season, after the equipment has been sitting all winter, I rebuild 25 or more carbs a week. It should cure your headaches, and solve your problem.

Posted on Jun 08, 2009

  • 376 Answers

SOURCE: what is the valve clearance on a briggs &

.003-.005 intake, .005-.007 exhaust for single cylinder OHV

Posted on Jun 14, 2009

wadembly
  • 448 Answers

SOURCE: 19.5 Briggs & Stratton dies while mowing

the engine is getting to hot or the oil level is to low check to make sure the engine is getting the air that it needs while running they have air vents in hood as well as on sides of most of those tractors or i would mow for a while & put in a cool place to cool down if i can further help e-mail me wade at wadembly@aol.com

Posted on Jun 28, 2009

  • 130 Answers

SOURCE: briggs & stratton 190707 wiring diagram

make sure your coil has not move ajust to 010. gap check magent on flywheel.see if strong.if all is ok yes coil is bad

Posted on Jul 22, 2009

rwvanlue
  • 486 Answers

SOURCE: Craftsman lawn mower. Briggs & Stratton 6.75

1) check plug for being carbon fouled or fuel fouled. Even though it fires, it may not be firing correctly
2) make sure you have compression 75-100 psi. since the compression release so you can pull the rope works off of the exhaust valve, you may not get anymore than that.
3) Is there water or debris in the float bowl

Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly

*if you need gaskets, your local lawn & garden dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.

Posted on Nov 26, 2009

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It could easily be an electrical issue, or not. Get a spark tester (hooks up to the spark plug). Pep boys, Autozone, and Napa all sell them for less than $10. Check for spark when the mower has quit. If no spark, most likely need to replace the ignition module. Also check the flywheel key, if it is has been sheared or even knicked, the engine will run hot.
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