Decompressor for an internal combustion engine

A decompressor for an internal combustion engine for escaping compression pressure in a cylinder, comprising:

• a decompression valve vertically disposed with respect to a crank shaft and between a cylinder and a crank casing;
• said cylinder having a decompression port and a communicating bore for releasing pressure and said decompression valve connecting said decompression port with said communicating bore;
• an operating rod for opening said decompression valve to enable said decompression port at said cylinder and said communicating bore to communicate with each other;
• and
• a transmitting member for slidably engaging and moving said operating rod of said decompression valve, said transmitting member being disposed laterally of a recoil reel, and, said recoil reel, when rotating, being slidable toward said crank shaft so as to actuate said decompression valve by engaging and moving said transmitting member to lift said operating rod.

A decompressor for an internal combustion engine for escaping compression pressure in a cylinder, comprising:

• a decompression valve disposed in a crank casing;
• an operating rod for said decompression valve projecting laterally toward a recoil reel;
• a decompression port open in a cylinder, a check valve at said decompression port, and a pipe connecting said decompression port with an input of said decompression valve via said check valve, and said decompression valve having an output open to the atmosphere;
• and
• said recoil reel, when rotating, being slidable toward a crank shaft to engage said operating rod to open said decompression valve.