The Yamaha DT is a series of mopeds and motorcycle

Motorcycle

A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

s produced by the Yamaha Motor Corporation. Models in the DT series feature an engine displacement

Engine displacement

Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top dead centre to bottom dead centre . It is commonly specified in cubic centimeters , litres , or cubic inches...

 of 50 cc. The first DT model, the DT-1, was released in 1968 and quickly sold through its initial 12,000 production run.

The DT series was created by Yamaha in the late 1960s when the United States motorcycle market was down. Market research by Yamaha indicated that, despite slow motorcycle sales, there was a largely untapped market for off-road motorcycles. At the time, only a few specialty European manufacturers such as Bultaco

Bultaco

Bultaco was a Spanish manufacturer of two-stroke motorcycles from 1958 to 1983.-Origins:The origin of the Bultaco motorcycle company dates back to May 1958. Francisco "Paco" Bultó was a director of the Montesa motorcycle company founded in 1944. After several years of steady growth and road racing...

 and Husqvarna

Husqvarna

Husqvarna , originally a military arsenal founded in 1689 to produce muskets for the Swedish Army.The company Husqvarna has since grown, and its production has changed from weapons, sewing machines, kitchen equipment, bicycles and motorcycles to lawn mowers, chainsaws and construction products. The...

 made motorcycles specifically for off-road use. Instead, many owners purchased road motorcycles and modified them for off-road use, typically by raising the muffler

Muffler

A muffler is a device for reducing the amount of noise emitted by the exhaust of an internal combustion engine. A US Patent for an Exhaust muffler for engines was granted to Milton and Marshall Reeves in 1897....

. Such modifications were commonly known as creating scrambler

Scrambler (motorcycle)

A scrambler motorcycle, or just scrambler, is a type of all-terrain motorcycle. Streetbikes were modified to overcome cross country terrain...

s. The first DT model, the DT-1 trail bike, was released in late 1967 and quickly sold out.

Models in the DT series