| 摘要 |
PURPOSE:To improve a starting characteristic ever so better, by interconnecting a discharge part of a fuel feeding fuel pump for a carburetor to a combustion chamber inlet part of a suction passage with a leading pipe, while spouting fuel to the combustion chamber from the pipe in time of starting. CONSTITUTION:Fuel is fed to a carburetor 24 of a two-cycle engine via a priming pump 30, a pipe 31, a fuel feeding pump 32 and pipes 32A and 33 whereby a normal air-fuel mixture feeding function takes place. A pipe 34 is branched off from the pipe 32A, while there is provided with a starting fuel system to be opened to the vicinity of a scavenging port serving as a combustion chamber inlet part of a suction passage via an on-off valve 35, an orifice 38 and a check valve 39. In time of engine starting, a lever 36 of the on-off valve is turned round whereby pressure fuel out of the pump 32 is spouted to the suction passage, therefore starting fuel is fed to the inside of a combustion chamber at once so that a starting characteristic is well improved. |
