2025 Mercury Marine® SeaPro 90 hp Base

Current Mercury Marine® Engines Outboard SeaPro 90 hp SeaPro 90 hp

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Year 2025
Make Mercury Marine®
Model SeaPro 90 hp

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Product Details Specifications Photos

Year 2025
Manufacturer Mercury Marine®
Model Name SeaPro 90 hp
Trim Name Base
Generic Type (Primary) General
Engine Power 90 HP (67 KW)
Engine Type 8-valve single overhead cam (SOHC) | Inline 4
Displacement 2.1 L
Throttle Full: 5000-5500 RPM
Oil Type Recommended: NMMA Certified FCW 25W-40 Synthetic Blend
Gear Ratio (Primary) F-N-R | Shift: 2.38:1
Emissions CARB Star Rating: 3
Bore 3.5" (90 mm)
Stroke 3.2" (81 mm)
Lubrication Wet sump
Ignition SmartCraft ECM 70 Digital Inductive
Induction Air induction: Performance-Tuned Scroll Intake Manifold
Steering Big Tiller | Dual cable mechanical | Hydraulic
Cooling Water-cooled with thermostat
Exhaust Through prop

2025 Mercury Marine® SeaPro 90 hp

Reach the Next Level

The SeaPro™ mid-range outboards take working to the next level—uncommonly powerful, uniquely compact, uncompromisingly reliable, and unbelievably fuel efficient. To maximize durability, upper mounts are twice as stiff as recreational models. The compact size of these mid-range outboards lets you refit older boats with more horsepower enabling them to perform better than ever with the latest technology. They're the engines with the toughness and durability you need to get the job done.

The engine built for you to depend on, offering trouble-free, low-maintenance performance in the harshest working environments. For commercial fishing vessels, commercial workboats and law-enforcement boats.

Engine

Engine Power 90 HP (67 KW)

Engine Type 8-valve single overhead cam (SOHC) | Inline 4

Displacement 2.1 L

Throttle Full: 5000-5500 RPM

Oil Type Recommended: NMMA Certified FCW 25W-40 Synthetic Blend

Gear Ratio (Primary) F-N-R | Shift: 2.38:1

Emissions CARB Star Rating: 3

Bore 3.5" (90 mm)

Stroke 3.2" (81 mm)

Lubrication Wet sump

Ignition SmartCraft ECM 70 Digital Inductive

Induction Air induction: Performance-Tuned Scroll Intake Manifold

Steering Big Tiller | Dual cable mechanical | Hydraulic

Cooling Water-cooled with thermostat

Exhaust Through prop

Operational

Operating Conditions Maximum Trim Range: 22° (-6° to 16°) | Maximum Tilt Range: 70° (-6° to 64°) | Shallow Water Trim Range: 20°

Electric

Alternator With water-cooled voltage regulator: 35 amp / 441 watt

Starter Smart Start Electric

Fuel System

Fuel System Electronic Fuel Injection (EFI) | Induction: Computer Controlled Multi-Port Electronic Fuel Injection (EFI)

Fuel Type Recommended: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum

Dimensions

Length Shaf: 20" (508 mm) | 25" (635 mm)

Capacities

Oil capacity 5.5 qts (5.2 l)

Weights

Dry Weight Lightest model available: 363 lbs (165 kg)

Features

Features Engine protection operator warning system: SmartCraft Engine Guardian | Compatible with SmartCraft digital technology: Yes | Controls: Mechanical throttle & shift | Trim system: Power Tilt/Power Trim

Color

Colors Phantom Black