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. Rocker lifters are of the flat foot type of exceptional width for quiet operation and long life. Valve adjustment easily made by adjusting screw on rocker lifter.