BS 5672 1991 Edition, 1991
Designation of the Direction of Rotation and of Cylinders and Valves in Cylinder Heads, and Definition of Right-Hand and Left-Hand in-Line Engines and Locations on an Engine for Reciprocating Internal Combustion Engines
Includes all amendments and changes through Reaffirmation Notice , January 2007
Additional Comments: SAME AS ISO 1204
Published By:British Standards Institution (BSI)
Defines directions and locations on an engine related to the defined position of an observer.