| 摘要 |
A gearbox structure of a beach cycle includes a gearbox which may transmit a power of an engine to a power shaft and a propeller shaft. A clutch mounted between the change gears of the gearbox can be shifted by a gear shift device into a neutral position, a reverse gear position and a forward gear position. The gear shift device includes a gear lever which rotates a sector shaped gear which rotates a gear shift cam shaft which is formed with a slot for driving a gear shift drive fork which shifts the clutch to the neutral position, the reverse gear position, and the forward gear position. The gearbox is further provided with a force increase gear, and the propeller shaft is additionally provided with a drive gear which meshes with a helical gear of a distance calculator which has a connecting line externally connected to an odometer.
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