| 摘要 |
PROBLEM TO BE SOLVED: To suppress local projection on an upper part of a head cover.SOLUTION: In a breather chamber layout structure of an engine, a breather chamber 36 that performs gas liquid separation before guiding blow-by gas containing oil content from a crank chamber of an engine 11 to an engine intake system, and a lead valve chamber 41 of a secondary air supply device 40 that supplies secondary air to exhaust discharged from the engine 11 are provided in a head cover 18 of the engine 11. The breather chamber 36 and the lead valve chamber 41 are provided in parallel with an upper part 18A of the head cover 18.SELECTED DRAWING: Figure 3 |
