Input? 415 883-5620 Please do not plagiarize this page - it took years to develop and write and is not based on any other previous work by anybody else. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features   In regards to a CV carburetor being worn, the majority of parts that could become worn are few and are easier to … Do not allow any cleaning fluid to come in contact with the slide diaphragm (remove if needed) or the mixture screw o-ring. See Worn Needle and Worn Needle Jet diagram. Reached the harley carb back and sometimes occur after tuning your stock. Tuning Mikuni piston slide carburetors, the basics. Please add a "Like" to our video if you find it helpful. While most of the following information applies to all CV carbs, and to some extent all carb types, this article is specific to the

Mikuni Carb Tuning Guide.