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  1. Mechanical and Technical
    Our 1990 ZX6R is not engaging 4th gear. Makes rattling noises, so we just go from 3rd to 5th. I have been told this is a fork issue, so I am looking into rebuilding the transmission. I'd like to pick up some nice used forks. I presume any of the 1990-93 will work, but anyone know if other years...