| 摘要 |
PURPOSE:To improve maintainability in a filter element change and so on, by installing an oil sump chamber, which is interconnected to the suction side of a filter element setting space while forms its own space via this filter element setting space and a partition wall, in a lower part of an air cleaner. CONSTITUTION:Blow-by gas in a crankcase 12a is led into an air cleaner 6 in a suction system, making it flow back to a combustion chamber. A pipe 29 extending out of an oil collection chamber 8 is connected to the suction side of a filter element setting space 33, and the suction side of this filter element setting space 33 comes into a state of being interconnected to an oil sump chamber 30. Blow-by gas to be taken out of the oil collection chamber 8 passes through a filter element 6a while making the oil stick to an inner wall surface in the midway and then it is fed to a carburetor 7. Thus, maintainability in a filter element change or the like is improvable. |
