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Briggs and Stratton 8B ignition problems


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#1 adamjd200 ONLINE  

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Posted May 02, 2016 - 04:45 PM

I have a Briggs and Stratton 8B on an old Midland tiller that I am trying to get running, so far I have cleaned the flywheel magnets and so far no spark, I am not very familiar with these early aluminum block engines, so far this is number 2, (the other is a 6B-S that I have been able to figure out needs points and a condenser that I already have) what should I check first, the coil or the points/condenser?  Also, how do I remove the recoil ratchet on one of these as I have never seen one quite like this?

Type # is:9505056

Serial # is:5806100


Edited by adamjd200, May 02, 2016 - 04:46 PM.


#2 Bolens 1000 OFFLINE  

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Posted May 02, 2016 - 05:20 PM

I would suspect the points and condenser to be the issue first rather than the coil, those seem to be good 7 times out of 10 on these engines.

 

Theres a tool for removing the clutches but if your careful a pipe wrench will loosen them up for you, (They are threaded on the crankshaft and act as the flywheel but)


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#3 adamjd200 ONLINE  

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Posted May 02, 2016 - 07:30 PM

I have one of the tools like this one:

th9P3E3AD6.jpg

Would this be what I need?


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#4 BOLENSBUDDY OFFLINE  

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Posted May 02, 2016 - 07:41 PM

yes



#5 Bolens 1000 OFFLINE  

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Posted May 02, 2016 - 07:43 PM

Thats it :thumbs:    


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#6 adamjd200 ONLINE  

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Posted May 02, 2016 - 07:45 PM

Ok, for some reason I thought it was different, my bad.



#7 boyscout862 ONLINE  

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Posted May 02, 2016 - 07:53 PM

Read the B&S Repairmans Manual for the older engines. It is very well written and is extremely helpfull. There are two of them in our Manuals Section. Good Luck, Rick


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#8 adamjd200 ONLINE  

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Posted May 02, 2016 - 09:19 PM

Read the B&S Repairmans Manual for the older engines. It is very well written and is extremely helpfull. There are two of them in our Manuals Section. Good Luck, Rick

I have one in book form, if this were a cast iron or later aluminum engine I wouldn't think twice, but I'm not too familiar with these early aluminum number series engines.


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#9 Lauber1 OFFLINE  

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Posted May 02, 2016 - 10:20 PM

Its basically the same engine, just different metal.


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#10 Tecumseh power ONLINE  

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Posted May 03, 2016 - 08:50 AM

You can put a magnetron on it

#11 adamjd200 ONLINE  

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Posted May 03, 2016 - 09:56 AM

You can put a magnetron on it

Wouldn't be very easy, coil mounts completely different, plus I would have to find a donor engine, I think I'll just stick with points. 



#12 Bolens 1000 OFFLINE  

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Posted May 03, 2016 - 10:51 AM

Call me old fashioned but I always prefer points over electronic ignition any day :D 


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#13 adamjd200 ONLINE  

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Posted May 03, 2016 - 11:24 AM

Call me old fashioned but I always prefer points over electronic ignition any day :D

I have never seen a magnetron coil that would bolt straight across to these old engines anyway, I suppose it could be done, I'm not gonna try.



#14 Bolens 1000 OFFLINE  

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Posted May 03, 2016 - 11:29 AM

I have never seen a magnetron coil that would bolt straight across to these old engines anyway, I suppose it could be done, I'm not gonna try.

 

I figure if  they worked with points and condenser for 40+ years why change it?  :smilewink:


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#15 adamjd200 ONLINE  

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Posted May 03, 2016 - 11:33 AM

I figure if  they worked with points and condenser for 40+ years why change it?  :smilewink:

I tend to agree, I don't like to cut stuff up.






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