Antique Johnson Outboard Motors

This lot includes 3 Johnson Seahorse 5 1/2 antique outboard motors.

There is an additional unknown outboard motor included.
The 3 Johnson motors were re-worked and were running 1 year ago when put into storage. The unkown unit worked occasionally.

The Johnson Seahorse 5 1/2 is an outboard motor produced by the Johnson Motor Company, which later merged with Evinrude to become OMC (Outboard Marine Corporation).

Here are the specifications for the Johnson Seahorse 5 1/2 outboard motor:

Manufacturer: Johnson Motor Company (later OMC)
Model: Seahorse 5 1/2
Production Years: 1952-1967 (approximately)
Type: Two-stroke, air-cooled outboard motor

Engine: Type: Single-cylinder, two-stroke engine
Displacement: Approximately 5.5 cubic inches (90.2 cc)
Power: Varies depending on the model year and specific configuration, typically around 3-4 horsepower
Fuel Mix: Gasoline mixed with oil at a specific ratio for lubrication (typically 50:1)

Ignition System:
Magneto ignition system for reliable starting
Spark plug for ignition

Fuel System:
Carburetor: Single-carburetor system for fuel-air mixture

Fuel Tank: External fuel tank mounted on the boat, typically with a capacity of a few gallons

Cooling System:
Water-cooled system for engine cooling
Water pump to circulate cooling water

Gear Shift:
Forward, neutral, and reverse gear shifting options
Gear shift lever located on the motor housing or tiller handle

Starting System:
Manual pull-start mechanism
Recoil starter handle for starting the engine

Exhaust System:
Underwater exhaust system to reduce noise and emissions

Steering:
Tiller steering mechanism for controlling the direction of the outboard motor
Steering handle connected to the motor housing

Weight:
Lightweight design for portability and ease of handling
Typically weighs around 40-50 lbs (18-23 kg)

Dimensions:
Compact size for mounting on small boats
Length, width, and height vary depending on the specific model and configuration

Propeller: Three-blade propeller for propulsion
Propeller diameter and pitch vary depending on the specific model and configuration

Service History:
Widely used in small boats, dinghies, and other watercraft for recreational and commercial purposes
Known for reliability, durability, and ease of maintenance

Legacy:
The Johnson Seahorse 5 1/2 outboard motor is considered a classic among vintage outboard motors
Some enthusiasts and collectors still use and maintain these motors for historic boating experiences