Mercury FourStroke 25 HP EFI

A Three-cylinder Performer

Crisp handling to keep you moving forward

Specifications are subject to change without notice

Dependable starts and performance. – Battery-free Electronic Fuel Injection (EFI) on Mercury 25 – 30hp FourStroke models delivers consistently easy starting, crisp throttle response, increased fuel economy and outstanding overall performance.
Mercury 15 and 20hp FourStroke outboards come standard with a three-position choke, eliminating the need for a primer button. Starting is easier and warm-ups are faster!
Electrical Support. – A high-output alternator keeps batteries charged and fishing electronics humming.
Great acceleration / more torque. – Compact but powerful, Mercury® 15 – 30hp FourStroke outboards feature extra displacement and outstanding low-end torque that put a boat smartly on plane.

Engine Specs

Displacement (CID/cc) : 32.1 / 526
Engine Type : Inline 3
Bore & Stroke (in/mm) : 2.40 x 2.36" / 61 x 60 mm
Fuel System : Electronic Fuel Injection (EFI)
Fuel Induction System : 2 valves per cylinder, single overhead cam (SOHC)
Cooling System : Water-cooled with thermostat
Full Throttle RPM Range : 5000-6000
Ignition System : CDI w/electronic spark advance
Starting : Electric (turn-key)
Manual
Gear Shift : F-N-R
Steering : Remote
Tiller
Trim System : Manual
Power Trim
Recommended Oil : Mercury FourStroke Oil 10W-30
CARB Star Rating : 3
Exhaust System : Through prop
Alternator amp / Watt : 15 amp / 186 watt
Color : Phantom Black
Dry Weight * Lightest model available : 157 lbs / 71 kg
Engine Protection Operator Warning System : Low oil pressure
Over-rev
Overheat
Sensor failure
Gearcase Options : Standard
Gearcase Ratio : 1.92:1
HP / kW : 25 / 18.6
Recommended Fuel : 87% octane / up to 10% ethanol
Remote Fuel Tank Standard (Gal / L) : 6.6 / 25
Shaft Length : 15" / 381 mm
20" / 508 mm
Shallow Water Trim Range (Degrees) : 16