Barr and Stroud Engines

Barr & Stroud Sleeve Valve Engine Diagram, 1921

Barr-Stroud-1921-350cc-Sleeve-Valve-09.jpg
Sectional elevation of the engine. Note the sleeve operating gear, which runs on ball bearings throughout.
Credit: The MotorCycle

Barr & Stroud 1921 350cc



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