Yamaha 350HP 4 stroke outboard motor Engine type: 4-stroke Displacement: 5330 cm³ No. of cylinders/configuration: V8 (60°), 32-valve, DOHC with VCT Bore x stroke: 94.0 mm x 96.0 mm Prop shaft output at mid range: 257.4kW / 5,500 rpm Full throttle operating range: 5,000 - 6,000 r...... More Info