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Mercury Marine 25MLH SeaPro FourStroke
Mercury Marine 25MLH SeaPro FourStroke

Specs

General Information

Manufacturer
Mercury Marine
Mercury Marine
Model
25MLH SeaPro FourStroke
25MLH SeaPro FourStroke
Model Code
1A25217BK
1A25217BK
Color
Phantom Black
Phantom Black

Engine

Engine Type
Inline 3
Inline 3
Ignition
CDI with electronic spark advance
CDI with electronic spark advance
Starting
Manual
Manual
Exhaust
Through prop
Through prop

Measurements

Power
25 Horsepower
25 Horsepower
Displacement
500 Cubic Centimeter
500 Cubic Centimeter
Bore x Stroke
2.40 x 2.24 in. (61 x 57 mm)
2.40 x 2.24 in. (61 x 57 mm)
Shaft Length
20"
20"
Dry Weight
163 lbs
163 lbs

Operational

Steering
Tiller
Tiller
Fuel Type
Unleaded
Unleaded
Full Throttle RPM Range
5,400 - 5,800
5,400 - 5,800
Fuel Induction

2 valve single overhead cam (SOHC)

Fuel system - Electronic Fuel Injection (EFI)

2 valve single overhead cam (SOHC)

Fuel system - Electronic Fuel Injection (EFI)

Lubrication
Recommended oil - 25W-40 Synthetic Blend, Mercury FC-W 10W-30 4-Stroke Marine Oil
Recommended oil - 25W-40 Synthetic Blend, Mercury FC-W 10W-30 4-Stroke Marine Oil
Cooling
Water-cooled with thermostat
Water-cooled with thermostat
Gear Ratio
2.17:1
2.17:1
Gear Shift

F-N-R

Gearcase option - Standard

F-N-R

Gearcase option - Standard

Trim System

Manual

6 position

Shallow water drive

Shallow water range - 16°

Manual

6 position

Shallow water drive

Shallow water range - 16°

Instrumentation
Engine protection operator warning system - Low oil pressure, Over-rev, Overheat
Engine protection operator warning system - Low oil pressure, Over-rev, Overheat

Features

Features

  • CORROSION RESISTANCE: Mercury’s proprietary formula – XK360, is an extremely low copper content aluminium alloy, which leads the industry in corrosion resistance. This makes costly corrosion failures and high labor bills a thing of the past. Most competitors use alloys with 2% to 4% copper content which will corrode faster than our MercAlloy, XK360 or A356 alloys.
  • MERCURY SMARTCRAFT®: SmartCraft compatibility for 25hp and higher SeaPro outboards makes every job easier thanks to intelligent digital gauges, touchscreen VesselView® displays and advanced technologies such as Troll Control and Active Trim, which help you maintain engine speed and optimize performance.
  • Recommended fuel - 87 octane / up to 10% ethanol
  • CARB star rating - 3
  • Compatible with SmartCraft digital technology
  • Fuel tank - 6.6 gal. (25 l)

Features

  • CORROSION RESISTANCE: Mercury’s proprietary formula – XK360, is an extremely low copper content aluminium alloy, which leads the industry in corrosion resistance. This makes costly corrosion failures and high labor bills a thing of the past. Most competitors use alloys with 2% to 4% copper content which will corrode faster than our MercAlloy, XK360 or A356 alloys.
  • MERCURY SMARTCRAFT®: SmartCraft compatibility for 25hp and higher SeaPro outboards makes every job easier thanks to intelligent digital gauges, touchscreen VesselView® displays and advanced technologies such as Troll Control and Active Trim, which help you maintain engine speed and optimize performance.
  • Recommended fuel - 87 octane / up to 10% ethanol
  • CARB star rating - 3
  • Compatible with SmartCraft digital technology
  • Fuel tank - 6.6 gal. (25 l)