Mercury FourStroke 40HP Outboard Motor

It’s simple. You have places to go, and the Mercury 40 to 60hp FourStroke family of outboards is the easiest way to get there. Electronic fuel injection for reliable starts and increased efficiency. Smooth performance. Impressive torque. Rugged durability. It’s everything you need to get more out of your time on the water.High-Output AlternatorAn 18-amp alternator helps keep batteries charged and fishing electronics humming long into the evening bite.Command Thrust GearcaseDesigned to sit lower in the water and turn larger props, the available Command Thrust gearcase lifts heavy boats on plane more easily and holds them there at lower speeds without impacting top speed.Electronic Fuel Injection (EFI)From the moment you crank the engine to the moment you drop the throttle, EFI technology responds with instant power. Surefire starting in all weather conditions. Smooth, efficient acceleration. Maximum fun.Convenient MaintenanceWe made maintenance easier with features like color-coded touch points, an easy-access water-separating fuel filter and an oil filter drip tray, which helps you get the job done with less mess.Powerful TorqueA high-displacement powerhead generates serious low-end torque to easily power boats on plane. More torque requires less work from the engine, for a longer service life.Quick AccelerationThe single-overhead-cam design delivers sporty acceleration and exciting overall performance from midrange through top speed.Hard-Working MuscleWith an available Command Thrust gearcase and ample torque, 40 to 60hp outboards make easy work of moving heavily loaded boats.ComfortWith a balanced powerhead and sophisticated, vibration-dampening cowl design, Mercury FourStroke outboards deliver an exceptionally smooth and quiet ride at any speed.DurabilityPremium corrosion-preventive technologies and durable components ensure FourStroke outboards can stand up to the most demanding marine environments.Compact DesignIdeal for new engine setups or repowers, the slender width of a Mercury FourStroke outboard fits most transoms, including those with narrow engine wells and tight motor spacing.EfficiencyExplore farther and stay out longer thanks to impressive power-to-weight ratios, intelligent fuel systems and optimized fuel injection (on most models) that maximize performance from every drop of fuel.Horsepower40Alternator Amp/Watt18 amp / 226 wattColorBlackSmartcraft CompatibleNoDisplacement (L)45.6 / 747Dry Weight (Lightest Model)204 lbs / 93 kgEngine TypeInline-3HP / KW40 / 30Recommended FuelGasolineProp RotationRHShaft Length20ControlRMTrim and TiltPTTNeed help choosing your engine? Check out ourMercury engine guide.