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5 HP Briggs and Stratton Engine

I have no spark

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  • elenzi6498 May 14, 2009

    We have no Spark, We have new Plug, New Coil, Sanded Flywheel and still no spark. Magnet on flywheel is good. Gap is correct.



    Crafstman Front Tine Tiller, Briggs & Stratton 5.5 Engine

  • Anonymous Mar 26, 2014

    craftsman 18.5 hp briggs and Stratton

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Take the coil off clean with sand paper then get a piece of cardboard from a cereal box or cigarette box, put the piece of cardboard in between the coil and the magnetic strip on the flywheel ''believe it or not it is the perfect gap'' 'let the magnet pull the two together'' then tighten the coil down. if still no spark get a new coil.

Posted on May 02, 2009

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Check your flywheel brake assembly (if on a pushmower) to see if your kill wire is loose or grounding out. Horizontal engines also have a kill wire connected.to the top of the coil. It could be grounding.

Posted on Sep 28, 2013

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Check to make sure flywheel key is not sheered if it is good replace plug still is no spark take sandpaper and know off on rust on flywheel. still no spark by a tune up kit and replace point & condenser should fixya

Posted on Sep 11, 2008

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SOURCE: Fuel in tank going into engine and mixing with oil

The float needle and seat are leaking and not shutting off the fuel when carb bowl if full. It then flows down the intake into the cylinder, past the rings and into the crankcase. Have the needle and pressed-in brass seat replaced. Could save yourself some money if you removed the carb yourself and took it in.

Posted on Jun 12, 2009

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SOURCE: My lawn mower briggs & stratton engine 650 series will not start

check the fly wheel and coil it may have rust on it if so sand it off

Posted on Jun 26, 2009

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SOURCE: Briggs and Stratton 6.5 hp won't start- not sure

First you could make sure you have spark. Take the plug out and then plug it into the black wire. Set the end of the spark plug near the frame of the lawn mower. Pull the cord one time to see if there is an arc from the plug to the mower. If you have spark, I would put the plug back in. Before putting the plug back in I would spray a little bit of starting fluid. See if it will fire up with the starting fluid in there. If you have a true good spark, it should fire up. This may be enough to get some gas going in there as long as you have the lines hooked up correctly.

Posted on Aug 03, 2009

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SOURCE: Briggs & Stratton 4.5 hp running rough...too much fuel

Hi did you squeze excess oil from filter so it can **** air in??

Posted on Aug 04, 2009

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SOURCE: want a repair manual for a 17 hp briggs &

A range of strip-down manuals for all Briggs & Stratton engines is avalable - I got mine from Amazon, but you can get them directly from Briggs & Stratton via their web site. They have a look-up system by model series, which ensures you end up with the manual that covers your engine.

Posted on Oct 03, 2009

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1 Answer

Craftsman gold 6.0 hp. walk behind lawnmower wont start


Back to basics, is the fuel in the tank good?( fill with fresh fuel ) does it have a spark at the plug?(remove the plug, earth against the cylinder, is there a spark,if not, replace the spark plug and try again ) does the plug wet with fue lafter pulling?( clean/service carb ) is the spark occuring in the correct place ( flywheel key sheard ) has the engine got good compression?

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use a three prong pulley puller and pull it off before this are you sure you have points chek blad brake is disengaging befor pull fly wheel

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unplug the harness to the engine should be a 5-6 wire give or take then crank it look for spark if you get spark that way check the safety switches if no spark change the coil

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unplug the connector on the side of the engine then crank it over if spark returns the problem is a safety switch if not it's a bad coil

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I have a Master cut 3.5 , the spark plug is not with the mower and we cannot remember the spec of the spark plug !!! Any idea


If that is a 3.5 HP Briggs Engine you're referring to then I believe you want a (Champion) CJ8 plug. Cross-references to the following mfg's:
Autolite 255, Bosch WS8E, Champion CJ8, 843, NGK BM6A, JOHN DEERE AM54450, LESCO 010769
. Hope this helps
James

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Briggs and stratton 5 hp engine won't start


An engine not starting can have many causes but it is usually due to lack of fuel being sucked into the engine or no spark.
Remove spark plug. It should be damp, if it is wet, the engine has been flooded and should be left for a few minutes for the fuel to evaporate. Replace lead on the plug and hold the threaded part against the engine somehow. Make sure you don't hold the lead in your hand!
Pull start the engine and ensure there is a spark.

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5 HP Briggs and Stratton Engine


use a champion RJ19LM spark plug, you will see that the engine is built by briggs and stratton.hope this helps

Mar 21, 2009 | Lawn Mowers

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