OHC engine

An overhead cam (OHC) engine comprising:

• (a) a cylinder block;
• (b) a cylinder head mounted on said cylinder block;
• (c) a crankshaft for reciprocating a piston in a cylinder in said cylinder block;
• (d) a cam shaft mounted in said cylinder head;
• (e) a valve operating cam mounted on said cam shaft and rotatably therewith;
• (f) at least one intake and at least one exhaust valve mounted in said cylinder head;
• (g) at least one intake and at least one exhaust cam follower operatively coupling said intake valve and said exhaust valve respectively to said valve operating cam;
• wherein
• (h) the center axis of said cam shaft intersects the axis of said cylinder;
• (i) said intake and exhaust valves are positioned parallel to each other symmetrically disposed on opposite sides of said cam shaft axis, and perpendicular thereto;
• and
• (j) said intake and exhaust cam followers are symmetrically disposed on opposite sides of said cam shaft axis, wherein said intake and exhaust cam followers each have two arm portions, one arm portion of each said intake and exhaust cam followers extending towards each other and contacting said intake and exhaust valve respectively, and the other arm portions of said intake and exhaust cam followers respectively extending towards each other, said other arm portions contacting the cam surface of said valve operating cam.