2012 Mercury FourStroke 25 EFI
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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.

The 25 and 30 horsepower FourStrokes have an industry-first battery-less EFI system for easier starting, smooth running, and improved efficiency. That’s not a misprint – they feature electronic fuel injection with no battery.

 Manufacturer  Mercury
 Model Year  2012
 Model  FourStroke 25 EFI
 MSRP  Request a Quote
 Engine Type  3 cylinders (in-line)
 Horsepower  25 hp (18.6 kW) at prop
 Displacement  32.1 ci (526 cc)
 Bore x Stroke  2.40 x 2.36 in. (61 x 60 mm)
 RPM  5,000 - 6,000
 Fuel Induction  2-valves per cylinder, single overhead cam (SOHC), Electronic Fuel Injection (EFI)
 Ignition  CDI with electronic spark advance
 Starting  Electric (turn-key), manual
 Cooling  Water-cooled with thermostat
 Exhaust  Through prop
 Gear Ratio  1.92:1
 Gear Shift  F-N-R
 Alternator  15A, 186W
 Shaft Length  15 or 20 in. (381 or 508 mm)
 Weight  157 lbs. (71 kg)
 Steering  Remote, tiller
 Trim System  Manual, power trim
 Instrumentation  Engine Protection Operator Warning System: Low oil pressure, overheat, over-rev, sensor failure
*MSRP Price, if shown, is Manufacturer's Suggested Retail Price and does not include taxes, dealer vehicle freight, dealer preparation, dealer document charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.



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