| 摘要 |
PURPOSE:To miniaturize a running transmission system and to use the space effectively by having a second front mission which transmits power to a front wheel formed in an acceleration mechanism, and by inserting it into the lower part of a clutch sleeve of a main clutch mechanism. CONSTITUTION:A main clutch case 10 and a front mission case 11 are arranged in order in the rear side of an engine. A first front mission 41 which receives power from a main clutch mechanism 14 and outputs to a rear mission, a front wheel gear 9 which receives power from the rear mission and outputs to a front wheel, and a second front mission 42 are stored respectively in the front mission case 11. The second front mission case 42 is formed in an acceleration system and is inserted into the lower part of a clutch sleeve 50 in the main clutch mechanism 14. Miniaturization and the effective use of space for the second front mission 42 are thus possible.
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