Power up your boat with the Mercury 90 ELPT FourStroke Outboard, a robust and efficient 90 horsepower engine designed to deliver dependable performance on everything from fishing boats and pontoons to runabouts and recreational vessels. Built on Mercury’s advanced FourStroke platform, this outboard blends high torque, fuel-efficient operation, and user-friendly features to help you go farther, plane faster, and enjoy every moment on the water.
Top Features & Benefits
90 HP FourStroke Power: With a 4-cylinder, 2.1 L inline FourStroke engine, the 90 ELPT provides strong acceleration, smooth throttle response, and the horsepower you need for a wide range of boating activities.
Electronic Fuel Injection (EFI): EFI delivers reliable starts, improved fuel economy, and consistent performance across varying conditions.
Electric Start & Remote Steering: Convenient electric (Smart Start) ignition and remote mechanical steering give you easy control and smooth handling.
Power Trim & Tilt: Quickly adjust your running angle for optimal performance, better fuel efficiency, and easier docking.
Ideal Shaft Length: Typically equipped with a 20″ long shaft — perfect for a broad range of boat transoms.
Durability & Warranty: Built with Mercury’s marine-proven engineering and backed by a 3-year manufacturer’s warranty for long-lasting reliability.
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Mercury 90ELPT FourStroke
Horsepower: 90
Alternator Amp/Watt: 35 amp/ 441 watt with water-cooled voltage regulator
Colors: Black
Smartcraft Compatible: Yes
Displacement (L): 2.1L
Dry Weight *Lightest Model Available: 359 lbs/ 163 kg
Engine Type: Inline 4
HP/KW: 90/67
Recommended Fuel: Unleaded regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum





