Petcock - Non Vacuum Type Petcock - Non Vacuum Type to Replace 1978-84 Vacuum Type Petcocks. or to fit Standard type fuel tanks produced by Mike Lalonde prior tp 2011. 1.81" (46mm.) Center to center bolt holes - Fits Right or Left All 1978-84 North American market 650's have original petcocks operated by Vacuum from a line to the intake (on carb holder). 1978-79 models have 2 and 1980-84 models have 1 petcock. Vacuum petcocks are chronic leakers and are all getting to the point of being non-repairable. Our petcock is the Early type 650 manual petcock with a wider flange cast on it so it will fit in place of the vacuum types. Our Petcock fits to right or left and each comes with the tap to tank O-Ring seal and assorted outlet fittings (petcock has 2 outlet ports). Fittings included: 2 ninety degree, 1 Straight fitting & 1 outlet port Plug. There is an "ON", "OFF" and "Reserve" position.   Part #20-0019 $35.95 Ea.