JETS FOR KEIHIN "BUTTERFLY" CARBURETORS | Big Twin | FX | FXR | Softail | Sportster | Touring

5pck Keihin Butterfly MAIN JETS #165

Main and slow jets for the Keihin Butterfly carburetors as used on 1976-1989 Big Twin and 1976-1987 Sportster. Note that low speed jets (also known as pilot jet) for Keihin Butterfly and CV carburetors look very much the same but are NOT interchangeable. Butterfly pilot jets have 0.6mm bore bleed holes, whereas those for CV carbs have 0.8mm bore bleed holes. Sold to dealers in packs containing 5 pieces.