littleren Posted October 13, 2008 Share #1 Posted October 13, 2008 Guys, Rebuilding my 4-screw SU's today and one of my old nozzles was completely stuck. Could not get it to budge and ended up having to basically write the thing off. Attached is a picture of the mixture-control wheel/screw thing and the chamber that the nozzle is supposed to slide up and down in. Thankfully this whole component screws into the carb body itself so while this piece is a mess, the carb itself is fine. Does anybody have one of these pieces in an old carb that I can buy or does anyone know where I can get one? Not even sure what this component is actually called. attached picture is pretty crappy but hopefully you'll know what it is. Thanks in advance. Link to comment Share on other sites More sharing options...
JimmyZ Posted October 13, 2008 Share #2 Posted October 13, 2008 (edited) Have you tried soaking it in carb cleaner? If there are no plastic parts involved laquer thinner works even better and should unseize it. I think you end up needing to get another carb as parts are becoming scarce. A call to Ztherapy would be a good idea.It is possible that someone may be able to fabricate what you're missing. It would be easier to just buy a carb or a set of carbs though. Edited October 14, 2008 by JimmyZ Link to comment Share on other sites More sharing options...
Nigel1943 Posted October 14, 2008 Share #3 Posted October 14, 2008 Guys,Rebuilding my 4-screw SU's today and one of my old nozzles was completely stuck. Could not get it to budge and ended up having to basically write the thing off. Attached is a picture of the mixture-control wheel/screw thing and the chamber that the nozzle is supposed to slide up and down in. Thankfully this whole component screws into the carb body itself so while this piece is a mess, the carb itself is fine. Does anybody have one of these pieces in an old carb that I can buy or does anyone know where I can get one? Not even sure what this component is actually called.attached picture is pretty crappy but hopefully you'll know what it is.Thanks in advance.Plenty of heat is usually the answer to this problem. Put the bit in the oven at highest temperature or if you're really brave play an oxy/act torch aross the bit and get it real hot. Should break the corrosion thats causing the problem. Link to comment Share on other sites More sharing options...
zKars Posted October 14, 2008 Share #4 Posted October 14, 2008 I have a complete front 4 screw SU you can have for $45 including shipping. Send me a pm if you're interested.Jim Link to comment Share on other sites More sharing options...
Wilbur
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