FourStroke 90 Mercury Outboard

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.

SPECIFICATIONS - 90

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	20" / 508 mm 25" / 635 mm
Gearcase ratio	2.07:1 or 2.38:1 (CT model)
Dry weight *Lightest model available	359 lbs / 163 kg; 363 lbs / 165 kg (CT model)
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	Command Thrust 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°)

Product variants

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Mercury Marine FAQs

Is Marine Works an Authorised Dealer for Mercury Marine?

Absolutely.

What Warranty does Mercury Marine offer?

Mercury offers a 3+3 warranty -see all the detail here.

Can you install my engine and provide after-sale servicing & repairs?

Absolutely.

We are a Mercury Premier Service Centre.