Mercury 90 hp Four Stroke. Long shaft. Electric start. Power trim & tilt. Perfect for a pontoon boat, fishing boat, or speed boat.  Mercury FourStrokes have long led the pack in clean, quiet, fuel - efficient outboard power - and now the gap grows even wider. We combined innovative engineering with advanced reliability and features to make our outboards run clean, stay quiet, and deliver smooth, responsive performance - all while cutting your fuel and maintenance costs.

Engine : Engine Type 4 (inline), Horsepower 90 hp (67 kW) at prop, Displacement 105.7 ci, Bore x Stroke 3.23 x 3.23 (82 x 82 mm), RPM 5,000 - 6,000, Fuel Induction 4-valves per cylinder, dual overhead cam (DOHC), Electronic Fuel Injection (EFI), Ignition ECM 07 Digital Inductive, Starting Electric (turn-key), Cooling Water-cooled with thermostat