Aitook Fuel Switch Petcock For Yamaha JT2 JT 2 JT-2 JT2MX JT2 MX JT2-MX 1972 Fits Yamaha Models: 1963 YG1 80, 1964 YG1K 80 YG1, 1963 YG1T 80 YG1, 1964 YG1TK 80 YG1, 1969 YG5S 80, 1968 YG5T 80 , 1964 YJ1 60 YJ1, 1964 YJ1K 60 , 1965 YJ2 60 , 1965 YJ2S 60, Replaces Part Number: 367-24500-04-00 / 122-24500-00-00 / 451-24500-00-00 / 451-24500-01-00 Petcock thread size = M14x1 (14x1mm) Please refer images we provided for measurements Aitook petcock made from high-quality materials for maximizes performance and ensures lasting durability