Question about Briggs & Stratton Power Products 5,550 Watt Portable Generator #30241

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Briggs and Stratton engine ceased and stuck while trying to start

I have a Briggs and Stratton engine which I think is 3HP on a rotovator with a horizontal shaft. I bought it cheap and thought that I can probably just give it a good service and get it started. I am a complete novice and don’t know much about these things apart from changing the oil and plugs. When I tried starting it I realised that there is no spark. After reading threads on the web and watching youtube postings I have managed to get a spark by fixing the points. But After putting the flywheel and everything back together, as I was trying to start it by pulling the pull cord suddenly the engine got stuck, completely ceased. Obviously the machine wasn’t starting either even though I had spark. I couldn’t pull the cord and the shaft would not move at all. So I took the flywheel off again as I thought I must have put it back together wrong or something but there was nothing wrong with the way I did put it back. I also checked the oil and there was oil as well. But then after forcing to turn the shaft with my hand I managed to get the shaft moving again freely. So I tried to start it again. I pulled to pull cord it was fine but it didn’t start but on the second pull it was stuck again. This time I used a ratchet to force and turn the shaft loose and it worked. Then as I tried to start it again the same thing happened. So I gave up. Now I am thinking of opening it up and see what’s going on inside. Since I am a complete novice at this and want to learn, I don’t even know what to look for when I open it up. I was hoping someone can tell me what’s wrong with it, why does it ceases up and if it is repairable at all. Any advice will be appreciated. Also now that I have spark why didn’t it start before the engine ceased?

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6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 18 Answers

SOURCE: need to reset manual governor on 10 hp briggs and

First loosen the pinch bolt and nut on the govener arm at the governor shaft. To set the governor make note of the governor arm to open the thottle wide open. Hold the governer arm to where the throttle is wide open then turn the governor shaft that is coming out of the engine block in the same direction until it stops then tighen the pinch bolt and nut on the governor arm to hold the arm in position on the governor shaft. Make sure when you start the engine you don't over rev it. Start it in low speed and move up slowly. You may need to reset the spring tension.

Posted on Jan 18, 2010

  • 1 Answer

SOURCE: briggs and stratton 11hp generator giving spark

how long has it been since it last ran? I had a similar problem with mine so I put clean fuel in it with a mixture of sea foam gas treatment. Used a shot of starting fluid to get started and let it run for an hour or so. Just started it again yesterday with no problems. The fuel in carburetor is most likely old and needs to be gotten out of. If you try this and get it started let it run in half choke position for a few minutes so old fuel will get out of caburetor. Good Luck

Posted on Feb 20, 2010

  • 1584 Answers

SOURCE: Engine has no spark. 3HP Briggs and Stratton +

If you get a shock from the HT lead then you do have spark!!

Connect spark plug with it removed and shorted to see if there is spark, if not use screw driver to hold away from steel (1/4") with end inserted in HT lead,If good spark / faulty spark plug.

Check for
Fuel to spark plug
No air leaks.

Posted on Mar 16, 2010

  • 5603 Answers

SOURCE: Engine races

One thing I read is that on some the arm from the govenor shaft can slip on the shaft so the arm is rotated on the shaft to a point the govenor isn't even in contact with the internals driving the shaft. On those units a clamp bolt becomes loose causing the problem.

I suspect if there IS an internal problem it is severe and one would have to disassemble the engine before operating it lest damage occur from loose parts.

Posted on Mar 26, 2010

  • 342 Answers

SOURCE: I have a 5550 Watts Briggs & Stratton that

unscrew the four bolts holding it on and chek the rope has not become tangled dont unscrew the centre bolt as the recoil spring will suddenly shoot out everywhere

Posted on Apr 04, 2010

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