issues with a very old craftsmen tiller with a b&s powerplant

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  #1  
Old 04-13-12, 04:43 PM
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issues with a very old craftsmen tiller with a b&s powerplant

ok i can't get this thing to run , it is a 5hp briggs and straton
numbers are: model 130202
type 0523-04
code 78052507

i believe its a no spark issue , i have sanded the rust off the flywheel and coil magnet , removed carb and cleaned all passages and main jet , put fresh fuel in , has a newer plug , has compression , tried spraying brake clean in the cylinder still doesnt kick at all

i checked for spark and out of say 10 pulls i saw a spark once .
i can provide the tiller model number as well.
 
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  #2  
Old 04-13-12, 06:48 PM
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First thing I would do is pull the flywheel off and replace the points and condenser. You should have a sharp blue spark at regular intervals.

Now my GRANDPA... he would get out some emery paper and file the points. Course he can get juice out of a turnip.
 
  #3  
Old 04-13-12, 07:45 PM
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wow points and condenser huh ? lol! i guess we are talking old . is the flywheel pressed on??
 
  #4  
Old 04-13-12, 07:50 PM
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It seems pressed on, and it's best to have a flywheel puller to get it off, but with a little penetrating oil on the keyway and shaft you can often carefully pry underneath the flywheel, and tap the top of the crankshaft with a mallet and get it to pop up. Being as old as it is, it might not want to give up without a fight.
 
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Old 04-13-12, 10:12 PM
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I suggest just replacing the coil. The new coil will be solid state and you can clip the wire to the points and leave them there and forget pulling the flywheel. Then you won't have to ever worry about points again.
 
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Old 04-14-12, 11:35 AM
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ok i took the fly wheel off and cleaned the points . got spark and it fired off ! then stalled and lost spark again . what gives ??? i guess i could try and replace the points or try to get an updated coil , i do have a mower that i don't use that is from this century could i source it from that ?
 
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Old 04-14-12, 09:30 PM
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That coil doesn't fit or interchange with any modern vertical shaft engines that I know of.
 
  #8  
Old 04-15-12, 03:26 PM
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anymore hints or should i just go with a new set of points, condenser and coil? or try and go with an updated coil?
 
  #9  
Old 04-15-12, 04:57 PM
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You have to make the call. Update it and never have to worry about dirty points, bad condenser, pulling the flywheel, adjusting the points, etc... OR buy a new points set and install and deal with them. If you buy a new coil, don't buy aftermarket. They usually don't last long. Buy original Briggs equipment.
 
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