Yamaha Outboard - LF300USB. 30-Inch Shaft Counter Rotation Digital Electronic Control (DEC) Electric Start Power Trim & Tilt EFI with Variable Camshaft Timing Gray. The Yamaha Outboard - LF300USB is a premium offshore counter-rotating outboard built for stability, precision handling, and dependable power in challenging marine environments. Powered by Yamaha's advanced 4.2-liter V6 with Variable Camshaft Timing (VCT) and Electronic Fuel Injection (EFI), it delivers strong acceleration, smooth mid