Briggs and Stratton Model, Type and Code numbers

Briggs and Stratton engines are identified with a MODEL, TYPE and CODE number system and take the form of the example below.

The numbers can be in a variety of locations depending upon the engine but are generally to be found either:-

Stamped into the front, top or side of the main cowling.
These sometimes need corrosion removed or plastic
cowlings lifted slightly or air filter removed to see.
Stamped into a plate over the exhaust or a bracket
in front of the carburettor.
Etched into the crankcase side behind the carburettor
or behind the exhaust.
Etched or stamped into the edge of a rocker cover.
These sometimes need corrosion cleaning off to see.
Etched into an aluminium plate riveted to the cowling.
These can sometime be forced off. If this has happened,
there will be two small pulled out rivet holes.
Etched into the crankcase at the rear.
Etched into the plastic fuel tank (Quantum Mk1 Model 100708)
Please be aware that engines of unknown history may have had their cover etc. swapped from another. If there are signs that this may have happened, please let us know.

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