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#1 cdeal28078 OFFLINE  

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Posted December 17, 2011 - 07:57 AM

Went to clean up the carb. on my 67 model Simplicity with the 12 hp Briggs engine and made a mistake. The needle on the bottom housing that goes up into the top part was stuck. I soaked it in cleaner but ended up stripping it and the threads on the bottom housing. So even if I get the jet out the needle will not have any threads to hold it in.
Are there any common fixes for this that people have used in the past besides a new carb? I have looked at Ebay for a carb and it has been so long since I was on there I cannot even remember my password. lol
clint

#2 cdeal28078 OFFLINE  

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Posted December 22, 2011 - 05:25 PM

Has anybody ever tried to drill it out and tap it for something like a Holley Jet? No common fixes for this? I would have thought more than I would of screwed this up. lol
clint

#3 MH81 ONLINE  

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Posted December 22, 2011 - 06:22 PM

Thankfully, I've not gotten myself into that pickle yet. I hope someone has a resolution you can try. Probably not enough material to put in a helicoil, and with the ports drilled in there, you'd have troubles anyways.

I'd say you might be able to build up the area with JB Weld and retap it, but you would also have to deal with the ports that way.

#4 cookiemonster OFFLINE  

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Posted December 22, 2011 - 06:25 PM

Anything is worth a shot. Carbs are such finiky things. You could end up with the best carb ever - or it could suck.

#5 caseguy OFFLINE  

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Posted December 22, 2011 - 06:26 PM

I'm not familiar with the particular carb that you're speaking of. If you can get some pictures of the trouble, it might be easier to give some advise. Off hand, I would say that drilling it out to put a plug that you could then drill and tap for the original thread would be the way to go, although it would have to be a perfect alignment to function properly. May be a machine shop repair in the end. Being that old, I can't imagine it would be cheap to replace unless it is a common type used for many years.

#6 olcowhand ONLINE  

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Posted December 22, 2011 - 08:48 PM

This is a "Flo-Jet" carb. If you got into the aluminum threads the brass emulsion tube threads into, then likely nothing you can do. There's not enough meat there to drill & tap for a heli-coil, and I would not attempt trying JB Weld in such a place either. You're most definitely not the first person in this predicament!

#7 cdeal28078 OFFLINE  

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Posted December 23, 2011 - 08:00 AM

I agree it is pretty hopeless after looking at it more closely. If I can remember my paypal account info I'll I'll get one from Ebay. I found a guy that has 10 NOS carbs. for sell. I figure it is my best choice. Thanks
clint

#8 cdeal28078 OFFLINE  

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Posted December 24, 2011 - 05:54 PM

Does anybody know the model number of the carb. I would need or the engine number for a 67 model Lanlord, 12hp?
I guess I should know it but have looked on the engine and could never find the numbers on it. Thanks
clint
Merry Christmas and a Happy New Year to all

#9 simplicityac nut OFFLINE  

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Posted December 27, 2011 - 08:18 PM

i do know the carbs for these are hard to come by,still lookin for one that fits my simplicity

#10 motobreeder OFFLINE  

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Posted December 31, 2011 - 09:58 PM

Aren't there only 3 different flo-jet carbs - small/medium/large?

Hopefully - links to really useful external sites is OK. I use these as as a resource when rebuilding a flo-jet.
Disassembly of Briggs and Stratton Small Two-Piece Flo-jet Carburetor, Part 1
Disassembly of Briggs and Stratton Medium Two-Piece Flo-jet Carburetor
Disassembly of Briggs and Stratton Large Two-Piece Flo-Jet Carburetor

Each page has a list of briggs model numbers for each carb size.
  • ducky, Michiganmobileman and simplicityac nut have said thanks

#11 Michiganmobileman OFFLINE  

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Posted January 01, 2012 - 07:50 AM

Aren't there only 3 different flo-jet carbs - small/medium/large?

Hopefully - links to really useful external sites is OK. I use these as as a resource when rebuilding a flo-jet.
Disassembly of Briggs and Stratton Small Two-Piece Flo-jet Carburetor, Part 1
Disassembly of Briggs and Stratton Medium Two-Piece Flo-jet Carburetor
Disassembly of Briggs and Stratton Large Two-Piece Flo-Jet Carburetor

Each page has a list of briggs model numbers for each carb size.


Thanks for those links!! What a useful site, lots of good info:thumbs: Bookmark has been set.

#12 cdeal28078 OFFLINE  

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Posted January 02, 2012 - 11:39 AM

Yes Sir, thanks. Mine looks like the small two piece Flow-Jet but it is on a 12hp. I bought a almost complete engine with a carb. for what Ebay wanted for just the carb. so I now have a parts engine also. I cleaned the carb. up and got it running but can't seem to keep it running good for long. After a few minutes it starts cutting out and blowing rich smoke no matter how I adjust it. I think I'll pull it apart again today and see what I missed.
Thanks for the help.
Clint

#13 simplicityac nut OFFLINE  

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Posted January 07, 2012 - 01:18 AM

thanks for those links motobreeder,im gonna need them as i just got two carbs gave to me for my simplicity,they are the larger size as i have a 15 horse briggs,a lot of useful information




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