Description This is a new V4 90 degree Medium Taper Yamaha Crankshaft O.E. 6R3-11411-09, 6R3-11411-09-00 Yamaha 6 Cyl 3.544 Bore 150 1990-1995 Yamaha 6 Cyl 3.544 Bore 175 1990-1995 Yamaha 6 Cyl 3.544 Bore 90 Degree 200 1990-1995 Yamaha 6 Cyl 3.544 Bore 90 Degree 225 1990-1995 Yamaha 6 Cyl Jet 150 1994-1995 Yamaha 6 Cyl Jet 200 1991-1995