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350-475-450-500-550- Series CLASSIC™, SPRINT™, QUATTRO™ Engines

The Briggs & Stratton CLASSIC, SPRINT, QUATTRO vertical crankshaft side valve engines also known as L- head engines. This type of engine is normally fitted to walk behind equipment.
These engines have a sponge air cleaner either Yellow or Green, a metal tank with the carburettor mounted directly to the petrol tank and ALL have a primer system for starting the engine from cold.

The model-type-code can be found stamped into the top engine cover above the spark plug. With this information, you can use our interactive parts diagrams to find the parts you need (for more information on how to find your engine numbers click HERE )

Please find the popular parts for your engine below or to go straight to our interactive parts diagrams click HERE

This type of engine is no longer manufactured and if it is necessary to replace this engine with a new one, you will have to replace it with an over head valve engine which has the muffler fitted to the opposite side. Ensure that you have sufficient room before ordering a new engine.

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