Barr and Stroud Engines

Barr & Stroud Sleeve Valve and Magneto

The single sleeve valve of the B. and S. engine, to which a reciprocating and oscillating motion is imparted by means of a pin engaging with a Skefko ball race set eccentrically in the half-time pinion.

Credit: The MotorCycle

Barr & Stroud 1921 350cc

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