
Leaders in their respective fields, Yanmar and BMW have combined to deliver a range of four and six cylinder engines that are lighter, cleaner and far more compact than the models they replace. Renowned for cutting edge diesel performance around the world, BMW Motors has provided the engine base for the new Yanmar BY2 Series.

These tough but lightweight, common rail electronic BY2 diesel meet the latest EPA and RCD emissions regulations.

Choose from shaftdrive or the hydrodynamic YANMAR ZT350 sterndrive. Hailed as setting new standards for the boating industry, the leading-edge, second generation BY2 series engines continue at the same output as their predecessors but incorporate many upgrades, including the reprogramming of the ECU from torque to speed control, providing even smoother operation and better synchronisation on twin-engine applications. Yanmar BY2 Series Marine Diesel Engine (150 – 260mhp) JH5 SERIES SHAFTDRIVE 39 – 54MHP JH5 / 4(T) SERIES SAIL DRIVE Model GM / YM SERIES SHAFTDRIVE 9 – 29MHP GM / YM SERIES SAILDRIVE Modelĭry Weight with Gearbox (Shaftdrive / Saildrive) YANMAR has been building diesel engines for over 100 years, always with the philosophy of developing more power for less weight which these engine proove. Smooth and quiet, innovative and built to last, the reputation of these engines is second-to-none.

YANMAR diesel engines are the lightest and toughest solutions available for sailboat inboard power.
