PROBLEM TO BE SOLVED: To provide a motorcycle exhaust pipe structure capable of uniformly, smoothly feeding exhaust gas of an exhaust pipe including a branch part to branched exhaust pipes.SOLUTION: In an exhaust pipe structure of a motorcycle 10 including an engine 14 attached to a body frame 11, an exhaust pipe 51 connected to an exhaust port 14a of this engine 14 and including a branch pipe 74 branching the exhaust pipe 51 to two exhaust pipes, that is, a rear left exhaust pipe 76 and a rear right exhaust pipe 77, and mufflers 52 connected to the rear left exhaust pipe 76 and the rear right exhaust pipe 77, respectively, the branch pipe 74 is located laterally of a cylinder portion 44 of the engine 14 and above a crank case cover 65.

    【課題】分岐部を有する排気管の排気を、分岐後の各排気管に均等に且つスムーズに流すことが可能な自動二輪車の排気管構造を提供する。【解決手段】車体フレーム11に取付けられたエンジン14と、このエンジン14の排気ポート14aに接続されるとともに2本の左後部排気管76及び右後部排気管77に分岐する分岐管74が設けられた排気管51と、左後部排気管76及び右後部排気管77にそれぞれ接続されたマフラ52とを有する自動二輪車10の排気管構造において、分岐管74は、エンジン14のシリンダ部44の側方で且つクランクケースカバー65の上方に位置する。【選択図】図3


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    Title :

    MOTORCYCLE EXHAUST PIPE STRUCTURE


    Additional title:

    自動二輪車の排気管構造


    Contributors:

    Publication date :

    2015-10-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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