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Is smart choke the same as vacuum choke on Kohler149 cc engine engine on LawnBoy mower will not start, seems to be leaking fuel around filter . have cleaned carburetor

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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#1 Taper
  • 1041 Answers

SOURCE: Engine only runs with choke full on. Dies when off full choke.

Hi Dave, it sounds crazy, but try this. Check your gas cap. It could be clogged, causing a vacuum to occur in the tank, and therefore not allowing the carb. to take on gas. It usually take 10-15 min. for this to occur. The next time you run the mower and it starts to stall out, loosen the gas cap and see if it begins to run again. If it does, then you know that the gas cap is clogged.

Jim

Posted on Jun 05, 2009

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woobie dog
  • 1273 Answers

SOURCE: My LawnBoy mower 195 cc 4 cycle that starts fine.

It sounds as though it is starved for fuel. Check the pinhole vent in the fuel filler cap. if it is plugged, the engine will still draw fuel, until a vacuum is pulled on the tank, resulting in no fuel. If this doesn't fix you. check for adequate fuel at the carb, and wirk either forward or backwards from that point, depending on what you find. I'm betting on the vent!
Try it; it may be just the thing!
Best regards, --W/D-- please feel free to rate this solution! Thanx!

Posted on Jul 30, 2009

  • 10865 Answers

SOURCE: Honda 160cc mower engine starts and dies.

Your carbeurator is crudded up. Get a can of aerosol carbeurator cleaner at any auto parts store. Remove the air filter and spray two squirts of cleaner into the air intake. Start the engine and keep it running by squirting more carb. cleaner into the air intake. WIth a little patience you will clean your carb. and solve your problem.

Posted on Sep 14, 2009

mickey813
  • 472 Answers

SOURCE: rough low throttle on Lawnboy Dura Force Pro 6.5

IT HAS A WEAK SPRING THATS ALL IT IS

Posted on Sep 30, 2009

SOURCE: 10 year-old lawn mower Craftman Eagle 1, 6.5 horse

sounds like the main jet is blocked. remove it and run a piece of fine wire through it and retest.

Posted on Nov 28, 2010

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If your fuel filter has no fuel perhaps you have a leak or loose gas fitting . try tighten all gas fittings from gas tank to carb.
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clogged fuel line. the choke restricts air flow if it runs fine choked it is probably getting too much air to run properly. those 2 seconds it is most likely running off a surplus of fuel from priming or something of that sort.

Check fuel lines and fuel filter for obstructions. I reccomend replacing fuel filter also. If this does not help is may be a fuel issue in the carburetor.

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This is a lawnboy mower about twenty years old and has run fine intil about a week ago. Now...after starting...It will surge up and down at full speed...then start to bog down unless throttle is placed...


drain all gas out of the tank and carb the new gas with 10% ethenal is ruining old gas engines after everything sits for a day install a plastic shut off valve in gas line. put high test gas with the seafoam then turn gas valve off after every use it will run good. then call your congressman and complain otherwise we will all be replacing any engine older than 4 years old

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My LawnBoy mower 195 cc 4 cycle that starts fine. After about 5 minutes of grass cuting the engine starts to cycle until it dies. If I leave the mower sit for about 5 minutes, it again starts fine and runs...


It sounds as though it is starved for fuel. Check the pinhole vent in the fuel filler cap. if it is plugged, the engine will still draw fuel, until a vacuum is pulled on the tank, resulting in no fuel. If this doesn't fix you. check for adequate fuel at the carb, and wirk either forward or backwards from that point, depending on what you find. I'm betting on the vent!
Try it; it may be just the thing!
Best regards, --W/D-- please feel free to rate this solution! Thanx!

Jul 30, 2009 | Garden

1 Answer

Engine only runs with choke full on. Dies when off full choke.


Hi Dave, it sounds crazy, but try this. Check your gas cap. It could be clogged, causing a vacuum to occur in the tank, and therefore not allowing the carb. to take on gas. It usually take 10-15 min. for this to occur. The next time you run the mower and it starts to stall out, loosen the gas cap and see if it begins to run again. If it does, then you know that the gas cap is clogged.

Jim

Jun 04, 2009 | Craftsman Garden

1 Answer

Engine coughs and stops after about 15 min. of cutting


check the vacuum line from pump to crank case fo leaks

Apr 25, 2009 | Garden

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