2022 Mercury Marine® FourStroke 4 Base

Year: 2022
Make: Mercury Marine®
Model: FourStroke 4

2022 Mercury Marine® FourStroke 4
Output far beyond its size

Put amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It’s worry-free boating at its best.

This lightweight motor features through-prop exhaust for extra-quiet operation. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Product Details

2022 Mercury Marine® FourStroke 4 Base



Engine Power 4 HP (2.9 KW)
Engine Type 1 cylinder
Displacement 7.5 CID (123 CC)
Throttle RPM: 4500-5500
Oil Type Recommended: Mercury FourStroke Oil 10W-30
Gear Ratio (Primary) 2.15:1 | Shift: F-N-R
Emissions CARB star rating: 3
Bore 2.32″ (59 mm)
Stroke 1.77″ (45 mm)
Ignition CDI w/electronic spark advance
Steering Tiller


Starter Manual

Fuel System

Fuel System Induction: 2-valve pushrod (overhead valve) | Carbureted | Recommended: 87 octane / up to 10% ethanol | Cooling: Water-cooled with thermostat


Length Shaft: 15″ (381 mm) | 20″ (508 mm)


Fuel Capacity Integrated tank: 0.3 gal (1.1 L)


Dry Weight Lightest model available: 57 lbs (26 kg)


Features Engine protection operator warning system: Low oil pressure/Over-rev | Shallow water trim range (degrees): 16 | Shallow water drive: Yes | Exhaust system: Through prop | Trim positions: 6


Colors Phantom Black