Kawasaki FS Series Engines Commercial-Grade Power Kawasaki® FS Series engines are compact, 90-degree, V-Twin engines which feature hemispherical combustion chambers and overhead V-valve technology that helps ensure low emissions, high power and smooth operation. Other features include: Dual-element air-filtration system. High-pressure die-cast aluminum block and heads. Two-channel forced-air cooling. Easy-access oil fill. Cast-iron cylinder liners. Fuel shut-off solenoid. Internally vented carburetor. * Note: Engine specifications based upon manufacturer-supplied information. All specifications subject to change at any time without notice or obligation. Engine specifications may vary by model.