I beam section, carefully designed for strength and lightness. Crank shaft is perfectly balanced and, together with the perfect balance of all reciprocating parts, makes this motor practically vibration-less. High-grade gray iron casting. Crank shaft bearings are retained in the top base. Large hand hole openings with readily removable covers on side of top base.
Bottom base is of good width and extends full length of motor and clutch case.
All crank shaft bearings have removable bronze back, babbitt-lined bushings. Valves -These are of the poppet type, of very liberal diameter and easily removable. Valve Gear Designed for quiet and efficient operation. All parts quickly and easily removable. Rocker shaft, and rocker arms, assembled in one unit.