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Broken Air/Fuel screw tip inside carburetor

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I just bought an 07 crf150rb from a 30 year car mechanic. He stated the bike has been sitting for 5 years and needed a thorough carb cleaning. I took it apart and noticed the air/fuel screw was missing. I proceeded to clean the jets. I then put the carb back together & put in an aftermarket air/fuel screw. When I screwed it in it came to a sudden stop. I've never experiencing this before. I removed the screw & looked in the hole. I notice a brass piece plugging the hole. It Looks like the brass tip of a stock air/fuel screw stuck in the hole. For over an hour I poked varies small pieces of wire, stainless steel needles etc. in the hole in front of the slide to force the tip of the old air/fuel screw out. With no luck I decided to separate the mid body from the top of the carb. That didn't work either. So how do I get his out??

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Got my drills and was able to drill out the old brass air/fuel tip. We'll see if it works this weekend.

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