Barr and Stroud Engines

Barr & Stroud Sleeve Valve Engine 1921

Barr-Stroud-1921-350cc-Sleeve-Valve-05.jpg
The crankshaft is supported in ball bearings, which are held up to the fop half of the crank case in suitable steel housings.

Credit: The MotorCycle

Barr & Stroud 1921 350cc



British Motorcycle Manufacturers
British Motorcycles