The Honda Motosport 90 or Honda SL90 was a street/trail Honda

Honda

is a Japanese public multinational corporation primarily known as a manufacturer of automobiles and motorcycles.Honda has been the world's largest motorcycle manufacturer since 1959, as well as the world's largest manufacturer of internal combustion engines measured by volume, producing more than...

 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...

 with a high fender. Its engine

Engine

An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...

 was a single cylinder 89cc, single overhead cam configuration. It had a 4-speed transmission

Transmission (mechanics)

A machine consists of a power source and a power transmission system, which provides controlled application of the power. Merriam-Webster defines transmission as: an assembly of parts including the speed-changing gears and the propeller shaft by which the power is transmitted from an engine to a...

 and a manual clutch

Clutch

A clutch is a mechanical device which provides for the transmission of power from one component to another...

. It was produced only during the 1969 model year and was available in two colors: Candy Ruby Red and Candy Blue. It came with a silver fuel tank stripe and a chrome exhaust system. Its frame was silver with the front wheel measuring 19" and 17" for the rear wheel.