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Johnson Outboard motor. 3.3 HP.

It will start, but then it spitters and sputters for about 5 minutes and shuts down. Sometimes it will start again and sometimes it wil not. I have taken the carborator apart and clean it up. I have changed spark plugs and have put fresh gas in it. I have also made sure it had a spark and that all gas lines are clear. Can anyone tell me what i should check next. The water pump is also working. Thanks

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

joboo1
  • 257 Answers

SOURCE: 1991 Johnsoon 90 HP outboard hard to start, floods after stop

Hi, You did a good job of assessing the problem. It sounds like the float valve in the carb is the likely problem. This would overfill the carb when sitting, flooding the engine and the pressure in the bulb pump would go down as the fuel leaked out. Float valve should be investigated and that should Fixya!

Posted on Mar 13, 2009

  • 12 Answers

SOURCE: Mantis 2-stroke tiller won't start

This could be one of several problems...
• Last year's fuel. Get some fresh gas.
• Every 2-stroke needs a new spark plug each year... you know what that means.
• Clogged carb jets due to storing the tiller over the winter with fuel in the system. Never, ever do that. Now you'll need to pull the carb apart and clean it. Most of the orifices are so tiny you can't see them. Good luck.
• Engine is so old the crankshaft seals have hardened with age. This is one reason no 2-stroke lasts longer than about 8 years. If the seals are shot, then it will cost more to fix than a new one costs. Time to toss it.

Posted on Mar 21, 2009

finish line
  • 207 Answers

SOURCE: johnson 1998 175 hp motor seems to be in safe mode

U CAN DISCONNECT THE OIL RESOVIOR SWITCH THAT TAKE IT OUT OF SAFE MODE BUT IM LEANING TOWARD THE POWER PACK

Posted on Jul 13, 2009

  • 86 Answers

SOURCE: Motor spits and sputters

If it is old enough to have points then I would check them and make shure they are clean and gapped at .020. if that is noth the problem then it sounds like a fuel issue. Either a weak pump or a dirty carb.

Posted on Aug 06, 2009

rcalorisian
  • 313 Answers

SOURCE: Honda GX160 runs fine for 5 minutes then dies like out of fuel.

I would look for the fuel filter. Blow it our. I know you have a new tank of gas, but you might want to empty it out and make sure the clean and put in new. Even with Stabil in the gas you might just have to much condensation in the tank

Posted on Sep 08, 2009

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