Yamaha Crankshafts

Shop Yamaha crankshafts for WaveRunner and Yamaha marine engines, featuring new SBT replacement crankshafts with no core required on many models. Options cover popular displacements including 650/701/760, 800, 1050/TR1, 1100/1200, 1200PV/1300, FX140, and 1.8L. Select listings also include related flywheel woodruff keys—check fitment by year and model before ordering.