2018 Mercury FourStroke 90 HP - 25 in. Shaft

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Availability
Brochure
Year
2018
Manufacturer
Mercury
Model
FourStroke 90 HP - 25 in. Shaft

Overview

Description

Embrace Possibility.



Mercury FourStroke outboard motors are incredibly powerful and efficient, and they feature a wide range of applications. Crafted for less weight and high displacement, they generate abundant torque and immediate power. And because they don’t have to work as hard as heavier engines or those with lower displacement, they make boats plane faster and accelerate better, and they provide optimal fuel efficiency at cruising speed.

Features
  • Made to provide outstanding acceleration and throttle response. Great for deck, inshore fishing, bass, aluminum tiller, aluminum console, runabout open bow, inflatable rigid hull, and fish & ski boats.
  • Making Boating Easier and Safer: Since its launch at the 2016 Miami International Boat Show, Mercury Marine’s Active Trim has been providing a “wow” factor, impressing the most seasoned boaters.
  • VesselView Mobile - Overview: Get the most from your Mercury engine with the VesselView Mobile app for iOS and Android! Monitor the basic functions of your outboard motor: rpms, fuel management, miles per gallon, engine hours, coolant temperature, and battery voltage.
Specifications
  • HP / kW: 90 / 67
  • Engine type: 8-valve single overhead cam (SOHC); Inline 4
  • Displacement (L): 2.1
  • Full throttle RPM: 5000-6000
  • Air induction: Performance-Tuned Scroll Intake Manifold
  • Fuel induction system: Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
  • Alternator amp / Watt: 35 amp / 441 watt with water-cooled voltage regulator
  • Recommended fuel: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
  • Recommended oil: Mercury FourStroke Oil 10W-30
  • Engine protection operator warning system: SmartCraft Engine Guardian
  • Compatible with SmartCraft digital technology: Yes
  • Starting: Smart Start Electric
  • Controls: Mechanical throttle & shift
  • Steering: Big Tiller Compatible; Dual cable mechanical; Hydraulic power steering
  • Shaft length: 25" / 635 mm
  • Gearcase ratio: 2.07:1
  • Dry weight *Lightest model available: 359 lbs / 163 kg
  • CARB star rating: 3
  • Bore and stroke: 3.5 x 3.2" / 90 x 81 mm
  • Ignition: SmartCraft ECM 70 Digital Inductive
  • Fuel system: Electronic Fuel Injection (EFI)
  • Cooling system: Water-cooled with thermostat
  • Gear shift: F-N-R
  • Gearcase options: Standard
  • Trim system: Power Tilt; Power Trim
  • Exhaust system: Through prop
  • Shallow water trim range (degrees): 20
  • Color: Phantom Black
  • Lubrication system: Wet sump
  • Oil Capacity: 5.5 qts / 5.2 l
  • Maximum Trim Range: 22° (-6° to 16°)
  • Maximum Tilt Range: 70° (-6° to 64°)
NOTES:
Dry weight specification is for the lightest-version model.

Specs

Engine

Engine Type
8-valve single overhead cam (SOHC); Inline 4
Bore x Stroke
3.5 x 3.2 in. (90 x 81 mm)
Displacement
2.1L
Starting
Smart Start Electric

Dimensions

Shaft Length
25 in. (635 mm)
Weight
359 lb. (163 kg)

General

Trim Method
Power Tilt; Power Trim
Propshaft Horsepower
90 hp (67 kW)
Full Throttle Operating Range
5000-6000 rpm
Gear Ratio / Shift
2.07:1 / F-N-R
Fuel Induction
Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
Alternator
35 amp / 441 watt with water-cooled voltage regulator
Cooling
Water-cooled with thermostat
Steering
Big Tiller Compatible; Dual cable mechanical; Hydraulic power steering

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