Yamaha has reinvented its versatile F75 outboard to make it even lighter and more compact for greater torque and stronger acceleration. 2022 Yamaha Marine F75 The all-new 1.8-liter I-4 F75 features a step up in displacement from its previous design. Still, its single-overhead-camshaft with four valves per cylinder keeps it compact and shaves off 13 pounds. Bigger power plus lighter weight equals one thrilling new outboard.