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Broken Carb?

3

3.7Tony

Forum Newbie
Hey guys new member here! First time owning and working on a motorcycle so I’m pretty green. That being said, I pulled the carbs off the bike to rebuild them and made a lovely discovery. Someone has broken the cavity that the pilot screw goes into and tried to fix it with some type of material I can only imagine is JBweld. Am I correct in assuming this carb is now trash?

Linked photo

(tried uploading image, too big apparently)
 
Welcome, Tony.

Those posts often have slots cut in them to facilitate getting a beefier tool on the screw because it’s stuck. If there are enough threads down inside, you may get lucky.

That said, you’ll want to follow a Proper CV cleaning/rebuild tutorial like this one written by Ed Ness (Nessism).
https://gsarchive.bwringer.com/mtsac/~cliff/storage/gs/Mikuni_BS-CV_Carburetor_Rebuild_Tutorial.pdf

Ed also sells full oring kits for your carbs. You’ll need it. Go to any post by Nessism, check his signature for link on how to order.

Another thread you need to read is the Top Ten Newbie Mistakes Thread. Guess who wrote it.
https://www.thegsresources.com/_for...eral-maintenance/46923-top-10-newbie-mistakes
 
If the threads on the mixture screw are mostly in the carb body, no problem
 
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