Suzuki used OEM Seat fits GSXR1100 1986-1988, also fits GSXR750 1986-1987, red seat assembly, , 4510006B0158R 45100-06B01-58R 54100-06b10-58E.  2 holes in side where grab strap (not included) bolts on, tear on top of vinyl, vinyl old and dirty, centre latch missing. base and foam good