本文介绍的摩托车术语涉及两轮单轨车辆以及机动三轮摩托车。尽管两轮、单轨滑板车和轻便摩托车与传统摩托车相似，但它们有许多不同于摩托车的特征，尽管某些术语适用，除非另有说明，本术语专门针对摩托车。同样，一些三轮摩托车可能具有一些类似的设计特征，并与摩托车共享部件，三轮车辆的动力学和操控性不同于两轮单轨摩托车。该术语给出了涵盖以下主题的定义:单轨车辆的动力学与操控性、摩托车类别和类型、，摩托车碰撞动力学和技术，以及深入的碰撞调查、摩托车设计和部件、系统和设备、摩托车操作、操作环境和危险、包括头盔和服装在内的骑手防护设备、骑手行为、摩托车安全、摩托车比赛和使用这些比赛的专业摩托车、关键国家摩托车- 相关组织，摩托车手常用的短语，以及相关的性能指标和选定的测试标准。

The motorcycle terminology presented herein addresses two-wheel single track vehicles, as well as motorized three wheel cycles. Although two-wheeled, single track scooters and mopeds are similar to traditional motorcycles, they have many characteristics which differentiate them from motorcycles, and while some terms will apply, this Terminology addresses motorcycles specifically, unless otherwise noted. Likewise, some three wheel cycles may have some similar design features and share components with motorcycle, the dynamics and handling of three wheel vehicles differs from two wheel, single track motorcycles.The terminology presents definitions covering the following subjects: dynamics and handling of single track vehicles, motorcycle categories and types, motorcycle crash dynamics and technology, and in-depth crash investigations, motorcycle design and components, systems, and equipment, motorcycle operation, operational environments and hazards, rider protective equipment including helmets and clothing, rider behaviors, motorcycle safety, competitive motorcycle events and the specialized motorcycles used those events, key national motorcycle-related organization, selected phrases commonly used uniquely by motorcyclists, and related performance measures and selected test criteria.