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b&s spark

jim dandy

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6 replies to this topic

#1 mlevan OFFLINE  

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Posted December 02, 2015 - 06:05 AM

Help,I have a 1963 jim dandy with a 9 hp b&s engine that is giving me fits.I have no spark.I've replaced the fly wheel,new coils, points,condenser,wiring. I thought I had it fixed,put hood back on,left it set & run on fast idle about 15 minutes,then it quit & no spark.Any ideas would be appreciated.Thanks



#2 Alc ONLINE  

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Posted December 02, 2015 - 06:12 AM

Well here are some things I've done :wallbanging:  pinched a wire that broke after it ran for a while , not tighten the point mounting screws enough , Replaced a coil with an aftermarket one only to have it fail in a few days ( ok that wasn't my fault )   ,   Good luck , Al


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#3 boyscout862 ONLINE  

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Posted December 02, 2015 - 06:29 AM

The wires going into the points cover can get scratched and then short out. Examine them closely and if there is any doubt, tape them up. Check all connections for good contact. The B&S Repairmans Manual in our Manuals Section has a good troubleshooting guide in it. Good Luck, Rick

Edited by boyscout862, December 02, 2015 - 06:29 AM.

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#4 karl OFFLINE  

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Posted December 02, 2015 - 06:44 AM

Check your points,If that ain't it.... get out the multi meter. but then it might even be as simple as a spark plug!


Edited by karl, December 02, 2015 - 06:45 AM.

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#5 chieffan ONLINE  

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Posted December 02, 2015 - 08:45 AM

Sounds like the points have moved.  Briggs are real finicky about the point gap and have to be locked down tight.


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#6 637Yeoman OFFLINE  

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Posted December 02, 2015 - 06:37 PM

Re gap your points. I have the same motor that started and ran good then the next day it wouldnt start and i had to re gap the points.

Started right up. Good luck.


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#7 glgrumpy OFFLINE  

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Posted December 06, 2015 - 02:46 PM

Seems you need to Orderly check for spark, then fuel to carb, and up to plug. These briggs have fussy carbs too. Get carb build instructions, remove main jet b4 splitting carb or can damage!





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