Scooter (motorcycle)

A motor scooter is a type of motorcycle designed for easy operation and fuel economy.

Unlike a conventional motorcycle, a scooter features an underbone or step-through frame. This design allows the rider to step into the vehicle easily. Most scooters include a seat and a flat platform, or floorboard, for the rider's feet. They also use bodywork to conceal the mechanical parts from view. This bodywork often includes a front leg shield to protect the rider.

These features make scooters a popular choice for personal transportation. They are often more affordable and easier to park than a car.

The way a scooter works is unique because of its mechanical layout. In a standard motorcycle, the engine is mounted directly to the frame. In many modern scooters, the engine and drive systems are attached to the rear axle. This allows the engine to swing along with the rear wheel during travel.

Most modern scooters, specifically those built since the late 1980s, use a continuously variable transmission, or CVT. A CVT is an automatic system that shifts gears without the rider needing to operate a clutch. Older models might use a manual transmission with a clutch and gearshift located on the left handlebar. Most scooters also use smaller wheels made of pressed steel or cast aluminum alloy.

Scooters can be categorized into different types based on their size and engine power. Small scooters are often used for short trips and may be classified as mopeds in some regions. Mopeds are typically vehicles with engines of 50cc or less. In some places, like Denmark, adults may even ride these without a license. Larger scooters are known as Maxi-scooters. These models have engines exceeding 250cc to provide more power for different markets.

There are also electric versions, often called e-scooters, which are essentially kick scooters with an electric motor.

The history of scooter-like designs goes back to the late 19th century. In 1894, Hildebrand & Wolfmüller in Munich, Germany, produced the first mass-produced motorcycle. This vehicle had a step-through frame and a low-mounted engine. However, it was a financial failure due to high prices and technical difficulties. The first true motor scooters, known as motopeds, entered production around 1915.

In the United States, the Autoped was manufactured in Long Island from 1915 to 1921. British companies also introduced models like the Skootamota in 1919, which was noted for being economical.

Global popularity for the motor scooter exploded after World War II. This was largely due to the introduction of the Vespa and Lambretta models from Italy.

These Italian designs provided an economical way for people to move around. The success of these models established the classic scooter layout that is still widely used today. In the mid-20th century, scooter clubs became common, showing how these vehicles helped build social connections.

This era cemented the scooter as a staple of urban mobility.

Rules for riding scooters vary greatly depending on where you live. In the United States, the NHTSA recommends using the term motorcycle for these vehicles. However, California has very specific legal categories. They classify motor-driven cycles, mopeds, and motorized scooters differently based on engine size and speed. For example, a motorized scooter in California cannot travel faster than 30 mph. These vehicles must often be ridden in bicycle lanes if they are available. Licensing and insurance requirements change based on these specific classifications.

Environmental impact is another important aspect of scooter technology. Studies have shown that older two-stroke 50cc mopeds can emit much higher levels of hydrocarbons than modern car standards. Specifically, they can emit ten to thirty times more particulate emissions than Euro 3 automobile standards. To combat air pollution, some cities have implemented strict bans. In Genoa, Italy, two-stroke engines made before 1999 were banned in 2019. In Shanghai, only electric or liquefied petroleum gas (LPG) scooters are allowed to help keep the air clean.