To provide a structure which enables improvement of protection performance of a return spring of a throttle valve of an internal combustion engine in a saddle-riding type vehicle.SOLUTION: A protection structure S of a saddle-riding type vehicle according to one embodiment includes: a throttle drum 56 which controls a rotation amount of a throttle valve 54 provided at an intake passage IP extending from the rear side of an internal combustion engine E to an area above a cylinder 10; and a return spring 60 which is provided at the throttle valve 54 side of the throttle drum 56 and biases the throttle valve 54 toward a predetermined position. The protection structure S of the saddle-riding type vehicle includes: a first cover part 62 which is provided so as to protect the throttle drum 56; and a second cover part 70 which is provided so as to cover at least a part of the return spring 60 at the throttle valve 54 side of the first cover part 62.SELECTED DRAWING: Figure 10
【課題】鞍乗型車両において、内燃機関のスロットルバルブのリターンスプリングの保護性能を高めることを可能にする構成を提供する。【解決手段】一実施形態に係る鞍乗型車両の保護構造Sは、内燃機関Eの後方側からシリンダ10の上方に延びる吸気通路IPに設けられるスロットルバルブ54の回転量を制御するスロットルドラム56と、スロットルドラム56のスロットルバルブ54側に設けられて前記スロットルバルブ54を所定位置に向けて付勢するリターンスプリング60とを備えた鞍乗型車両Vの保護構造Sであって、スロットルドラム56を保護するように設けられる第1カバー部62と、前記第1カバー部62の前記スロットルバルブ54側において前記リターンスプリング60の少なくとも一部を覆うように設けられる第2カバー部70とを備える。【選択図】図10
PROTECTION STRUCTURE OF SADDLE-RIDING TYPE VEHICLE
鞍乗型車両の保護構造
2023-10-30
Patent
Electronic Resource
Japanese
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