| 摘要 |
PROBLEM TO BE SOLVED: To provide a lower part structure of a four-cycle engine for a motorcycle, which handle an attaching/detaching tool without getting in the way of an exhaust pipe, and improving workability, when exchanging an oil filter and an oil cooler. SOLUTION: The lower part structure of the four-cycle engine for the motorcycle is provided with the oil cooler 44, and the oil filter 52, on a front surface of an engine 10 behind the exhaust pipes 32. The exhaust pipes 32 are provided so as to be bent in a generally L-shape at an engine 10 front lower portion and backwardly extended to gather up under the engine 10. Oil pan 48 of the engine 10 are downwardly projected and disposed along the exhaust pipes 32, and provided so as to be attached to a bottom portion of an engine case 10a. The oil cooler 44 and the oil filter 52 are provided in parallel so as to be forwadly project out on a front surface of the engine case 10a. COPYRIGHT: (C)2004,JPO
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