| 摘要 |
PURPOSE:To protect apparatuses such as a primary suction passage, a primary carburetor and so on from being contaminated by oil mist, carbon or the like contained in blow-bye gas, by returning the blow-bye gas towards a secondary suction passage on the upstream side of a carburetor. CONSTITUTION:A separator 30 which separates mist of lubricating oil contained in blow-bye gas is disposed on a cylinder head cover 28. A bleezer pipe 32 is connected to the separator 30 and the reflux outlet 34 of said bleezer pipe 22 is opened and terminated on the lower course from an element 4 of an air cleaner 2. That is, the reflux outlet 34 is disposed in the vicinity of a secondary suction inlet 14, the starting point of a secondary suction passage 12. |
