2021 Mercury Marine® SeaPro 90 Base
- Year 2021
- Make Mercury Marine®
- Model SeaPro 90
2021 Mercury Marine® SeaPro 90
Reach the Next LevelThe 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 Type
8-valve single overhead cam (SOHC) Inline 4
Engine Power
90 hp (67 kW)
Displacement
2.1 L
Bore
3.5" (90 mm)
Stroke
3.2" (81 mm)
Throttle
5000-5500 RPM
Oil Type
Recommended: NMMA Certified FCW 25W-40 Synthetic Blend
Steering
Big Tiller | Dual cable mechanical | Hydraulic
Gear Ratio (Primary)
2.38:1
Ignition
SmartCraft ECM 70 Digital Inductive
Induction
Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
Cooling System
Water-cooled with thermostat
Gear Shifter
F-N-R
Exhaust
Through prop
Lubrication
system: Wet sump
Electric
Alternator
35 amp / 441 watt with water-cooled voltage regulator
Starter
Smart Start Electric
Fuel System
Fuel System
Electronic Fuel Injection (EFI)
Fuel Type
Recommended: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Lights and Safety
Security System
Engine protection operator warning: SmartCraft Engine Guardian
Dimensions
Length
Shaft: 20" (508 mm) | 25" (635 mm)
Dimensions
Maximum Trim Range: 22° (-6° to 16°) | Maximum Tilt Range: 70° (-6° to 64°) | Shallow water trim range: 20 degrees
Capacities
Oil capacity
5.5 qts (5.2 L)
Weights
Dry Weight
363 lbs (165 kg)
Features
Features
Compatible with SmartCraft digital technology: Yes | Controls: Mechanical throttle & shift | CARB star rating: 3 | Trim system: Power Tilt, Power Trim
Airflow
Performance-Tuned Scroll Intake Manifold
Color
Colors
Phantom Black