1980-84 Yamaha XS650 Needle Jet - Y-0-BS34

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Needle Jet - Y-0-BS34. This needle jet controls mid-throttle fuel delivery as the slide needle moves through the jet bore.Replace a worn or incorrect needle jet when it causes rich cruising, flat roll-on response, hesitation, or uneven part-throttle running.Fitment / CompatibilityFits Yamaha: Yamaha XS650 (1980-81) Yamaha XS650S (1980-83) Product Details Carburetor slide/jet needle Sold individually XS650Direct part number: 48-0660 Before Ordering Match needle code, carburetor series, clip groove range, and needle-jet pairing. Confirm float height and clean passages before replacing the needle alone. Show more