Lubrication system for motorcycles
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsRyozo Okano, Nobuyoshi Tominaga
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Abstract
A dry-sump type lubrication system for motorcycles which comprises an oil tank defined by the internal spaces of a main pipe, down tube, and tension pipe, and wherein the upper end of the down tube communicates with the forward end portion of the main pipe; the tension pipe communicates with the main pipe behind the junction of the main pipe and down tube, and also with the down tube below said junction; and lubricating oil is supplied to the engine from the lower end of the down tube.
Claims13
A lubrication system for motorcycles provided with a lubrication oil tank defined by the internal spaces of the main pipe, down tube and tension pipe constituting the forward half section of a frame unit so as to lubricate the driven parts in an engine housing, wherein the down tube communicates at the upper end with the forward end portion of the main pipe and is provided at the lower end with a lubrication oil supply tube for conducting lubrication oil into the engine housing;
- and the tension pipe extends obliquely downward to the forward side, and is connected at the upper end to the main pipe behind the junction of the down tube and main pipe and at the lower end to the down tube below said junction.
Dependencies are inferred from the claim text.