CHAPTER III.

THE OPERATION OF A 4-CYCLE 4-CYLINDERED GASOLINE ENGINE 29

Explaining the cycle. The 4-, 6-, 8-, 12-cylindered engine -- The Knight sleeve valve engine -- S. A. E. Horse Power Scale -- Displacement-Engine charts -- Lubrication oils and greases -- Lubrication systems -- Care -- Cleaning -- and adjusting of lubrication systems.