Fork Tube Chrome JMP For Yamaha FJ 1100 1984-1985 Posted on November 12, 2024 by admin Specification & Technical Data. M37 x 1.0. Model and Part Number Compatibility. Yamaha FJ 1100 1984 Yamaha FJ 1100 1985 Yamaha FJ 1200 1986 Yamaha FJ 1200 1987 Yamaha FJ 1200 1988 Yamaha FJ 1200 1989 Yamaha FJ 1200 1990 Ref:773.16.00.