Yamaha Outboard - LF300UCB. 30-Inch Shaft Counter Rotation Digital Electronic Control (DEC) Electric Start Power Trim & Tilt EFI with Variable Camshaft Timing Gray. The Yamaha Outboard - LF300UCB is engineered for maximum offshore power, precise handling, and balanced performance in twin or triple-engine configurations. Its counter-rotation design counteracts torque pull for smoother steering and improved stability. The 30-inch shaft provides optimal propeller depth for heavier offshore hulls an