| 摘要 |
PCT No. PCT/EP80/00005 Sec. 371 Date Oct. 1, 1980 Sec. 102(e) Date Oct. 1, 1980 PCT Filed Jan. 28, 1980 PCT Pub. No. WO80/01555 PCT Pub. Date Aug. 7, 1980.A motorcycle power train arrangement is disclosed which comprises a liquid cooled engine block and a transmission case, substantially exposed and mounted symmetrically to the longitudinal median plane of the motorcycle, largely filling the space between the front wheel and the rear wheel, and including a liquid coolant radiator mounted in substantially vertical position transversely to the direction of travel, a plurality of parallel cylinders being arranged transversely and a crankshaft longitudinally to the direction of travel, the transmission case being located under and/or behind the engine block, and a valve chamber cover forming a symmetrical outer longitudinal limit of the power train; characterized in that the cylinders are located on one side of the engine block in a single line; in that the crankshaft is located on the other side of the engine block and is spaced from and parallel to the longitudinal median plane; and in that covers for the valve chamber and a crank space form on both sides symmetrical outer longitudinal limits of the power train.
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