Mercury - FourStroke 4hp

2.5-20hp 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. &nbs...

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Overview

2.5-20hp

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.

Specifications

Model

FourStroke

Category Name

Outboard Engines

Year

2023

Sale Type

New

Manufacturer

Mercury

Quantity

Manufacturer Qty

Color

Phantom Black

HP / KW

4 / 2.9

Ignition

CDI w/electronic spark advance

Starting

Manual

Steering

Tiller

Gear Shift

F-N-R

Engine Type

1 cylinder

Fuel System

Carbureted

Shaft Length

15" / 381 mm - 20" / 508 mm

Cooling System

Water-cooled with thermostat

Exhaust System

Through prop

Gearcase Ratio

2.15:1

Trim Positions

Bore And Stroke

2.32 x 1.77" / 59 x 45 mm

Recommended Oil

Mercury FourStroke Oil 10W-30

CARB Star Rating

Gearcase Options

Standard

Recommended Fuel

87 octane / up to 10% ethanol

Full Throttle RPM

4500-5500

Shallow Water Drive

Displacement (CID/CC)

7.5 / 123

Fuel Induction System

2-valve pushrod (overhead valve)

Optional Fuel Tank (gal / L)

3.2 / 12

Integrated Fuel Tank (gal / L)

0.3 / 1.1

Shallow Water Trim Range (degrees)

Dry Weight *Lightest Model Available

57 lbs / 26 kg

Engine Protection Operator Warning System

Low oil pressure / Over-rev

Gallery

engine details

FourStroke 4hp

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