90 EFI

Smooth shifts, trouble-free service.

All Mercury 75 – 115 hp EFI FourStrokes provide smooth, reliable shifting and years of reliable, maintenance-free service.

Electronic fuel injection.

All Mercury FourStroke engines 25 hp and above are electronically fuel-injected for turn-key starts and smooth, efficient operation.

Exclusive EFI technology.

Mercury pioneered electronic-fuel injection technology for marine propulsion decades ago.

90 EFI

Specifications
HP @ Prop: 90
kW @ Prop: 66.2
Max RPM (WOT): 5000-6000
Cylinder/Configuration: 4 (in-line)
Displacement (CID/cc): 97.4/1596
Bore & Stroke (in): 3.11 x 3.20
Bore & Stroke (mm): 79 x 81
Cooling System: Water-cooled w/thermostat
Ignition System: CDI w/ electric spark advance
Starting: Electric
Gear Ratio: 2.33:1
Gear Shift: Remote
Steering: Remote
Alternator Amp: 20
Alternator Watt: 252
Trim System: Power trim
Exhaust System: Through prop
Lubrication System: Wet sump w/ pressurized lube system
Recommended Oil: Mercury 4-Stroke Outboard Oil
Fuel Induction System: 4-valve dual overhead cam
Shaft Length (inches): 20/25
Shaft Length (mm): 508/635
Dry Weight (lbs.): 386
Dry Weight (kg.): 175
Operator Warning System: Overheat
Available Propellers: Consult current dealer propeller guide
CARB Star Rating: 3
Warranty: 3-year non-declining