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Old 07-10-2012, 09:34 PM
Kkane97 Kkane97 is offline
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Longshot but worth a try

This ones a long shot, I have a troy bilt 34087 mower with an 8.5 b/s engine and today somehow it started to leak gas after inspection, the threads below the jet got "pulled" and the bolt will no longer thread to hold on the float bowl, so I was hoping someone out there may have a carb that they would be willing to sell.

Motor # 196707
Carb# 494894

I would much rather rebuild a used carb than buy a new one for $150
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Old 07-10-2012, 09:39 PM
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cgaengineer cgaengineer is offline
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Quote:
Originally Posted by Kkane97 View Post
This ones a long shot, I have a troy bilt 34087 mower with an 8.5 b/s engine and today somehow it started to leak gas after inspection, the threads below the jet got "pulled" and the bolt will no longer thread to hold on the float bowl, so I was hoping someone out there may have a carb that they would be willing to sell.

Motor # 196707
Carb# 494894

I would much rather rebuild a used carb than buy a new one for $150
Can you dress up the threads? That's not a critical bolt...maybe replace with one that's about 2-3 threads longer...provided it doesn't bottom out and block jet.
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Old 07-10-2012, 09:45 PM
Kkane97 Kkane97 is offline
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I was thinking a heliocoil as a last resort before laying down the money for a new one the bolt that was there was actually pretty long I think even 2 threads longer would block to jet and thats a No No, we tried a trick I showed my dad on youtube of using a paper clip or small peice of wire, to take up the slack for the bad threads, and it worked but not enough and kept a slow leak going. We initially were thinking lubing the bolt with some type of grease, coating it with JB Weld threading it into place letting it cure then backing out the bolt and hoping for the best, but I read that JB Weld doesnt like pot metal/aluminum and as soon as pressure was applied by tightening the bolt the "threads" would give out and I would be back at square one
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Old 07-10-2012, 09:54 PM
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cgaengineer cgaengineer is offline
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How about peening the jet housing with a punch? You don't need many foot pounds to hold it on. Jb weld wouldn't take that environment for long anyway.
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Old 07-10-2012, 09:57 PM
Jimslawncareservice Jimslawncareservice is offline
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Have you googled the numbers you listed above? I have done that with parts and got good results.
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Old 07-10-2012, 10:01 PM
Kkane97 Kkane97 is offline
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Yea I checked you know google ebay ect nothing less than 132 cgaengineer what do you mean by peening the housing pushing the metal inward to make a sort of lip for the bolt to catch on.
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Old 07-10-2012, 10:07 PM
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Originally Posted by Kkane97 View Post
Yea I checked you know google ebay ect nothing less than 132 cgaengineer what do you mean by peening the housing pushing the metal inward to make a sort of lip for the bolt to catch on.
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10-4. The carb is hosed...anything you try at this point cant hurt. I would install bolt so that metal is supported, support jet housing on something firm...not hard (thinking wood block) and just knock some dents into the metal...it wont take much with a sharp punch...make sure its a small punch too...like a dowel pin punch for a 1/16-1/8 dowel pin but with a point on it.
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Old 07-10-2012, 10:08 PM
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The idea is to push the metal in slightly so that the bolt can grip the old treads...or whats left of them. Once you do this put it on craigslist and sell it!
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Old 07-11-2012, 12:13 AM
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I MOW ALONE I MOW ALONE is online now
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i think i might have a carb for you i have a 8.5 briggs i will have to check #s and let you know tomorrow. the carb is good engine was running but smoking and knocking.
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Old 07-11-2012, 12:18 AM
Kkane97 Kkane97 is offline
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That would be awesome if its the same, I could send a pic of mine if you are unsure, what is the carb off of?
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