Honda Motor Co., Ltd.

Philip Tsiaras

David W Arnold

Daisuke Nagao

Kenji Tamura

A motorcycle includes a frame, a fork, a from wheel, an upper arm, a lower arm, a handlebar, and a suspension element. The fork is pivotable with respect to the frame about a steering axis. The front wheel is rotatably coupled with the fork. The upper arm and the lower arm are each pivotally coupled with each of the fork and the frame. The handlebar is pivotally coupled with the frame and is configured to facilitate steering of the front wheel. The suspension element is coupled with each of the frame and the fork.

Motorcycles having upper and lower arms coupled with fork and frame

A vehicle, such as a motorcycle, includes an engine and a frame. The engine includes a cylinder housing and a spark plug. The cylinder housing defines a spark plug aperture. The spark plug is received within the spark plug aperture. The frame supports the engine and comprises a frame member. The frame member is adjacent to the cylinder housing and defines an access aperture. The access aperture is substantially aligned with the spark plug aperture. The access aperture is configured to facilitate installation and removal of the spark plug with respect to the spark plug aperture. Methods of installing and replacing a spark plug are also provided.

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Hanover, NH, United States of America

Philip Tsiaras