The featured engine here is a 1948 Briggs and Stratton Model N four cycle engine that I have restored. This engine model has had a broad application
of use that included World War Two duty.
The model N was manufactured from 1940 to 1954.
This model has metal cup used to rope start the engine.
This engine used an L-head design, (also known as flat-head).
It is equipped with an adjustable pneumatic governor.
The air cleaner on this engine is an efficient oil-bath type.
This model is equipped with the cast iron intake extension.
The type K, (flo-jet) carburetor was used on this model.
The exhaust is aspirated through a 1/2" NPT threaded port.
Gas tank is mounted externally via steel straps connected to the head.
The oil sump and head are made of cast aluminum.
The engine block is made of cast iron and utilizes fins for air cooling.
Piston and connecting rod are made of aluminum alloy.
The crankshaft is counter weighted and drop forged.
Displacement: 6.28 cubic inches, 2.00" bore and 2.00" stroke.
Lubrication: Pump or dipper type. Weight: (rope Starter) 33 lbs.
Ignition: High tension magneto. Spark plug size: 14mm.
Oil sump capacity : 1 pint. Gas tank capacity: 2 quarts.
Horsepower ratings:1.56 hp @ 2200 r.p.m. 1.85 hp @ 3100 r.p.m 1.97 hp @ 3600 r.p.m.
Briggs and Stratton is the trade name of the Briggs and Stratton Corporation.
Published by MSPI © 2012. All rights reserved
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Briggs Model N Youtube Video: