Yamaha YSR50

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Yamaha YSR50
ManufacturerYamaha Motor Company
Engine49.3 cc (3.01 cu in), two-stroke, air-cooled, single
Transmission5-speed manual
Wheelbase41.4 in (1,050 mm)
Seat height25.59 inches (650mm)
Weight165.35lbs (75kg) (dry)
Fuel capacity2.1 gallons

The Yamaha YSR50 is a miniature motorcycle that was produced and sold by Yamaha during the late 1980s and early 1990s. The bike featured an air-cooled 50 cc (3.1 cu in) two-stroke engine. The engine was sometimes swapped out for a larger variety.[1]

Its first production year was 1986, and it was last made in 1992. American Motorcyclist magazine stated its top speed was 38 mph (61 km/h).[2]


The first production model came out in Japan of 1986, and had the looks of a re-shaped and scaled down version of the YZR 500. It had a front disk brake and a rear drum brake.

The motorcycle also had a 5 speed transmission, the US had a very hard time considering the Motorcycle as a Moped because of the 5 speed transmission.

Color Scheme History
1987 White/Red
1988 White/Red Blue/Yellow
1989 White/Red White/Blue
1990 White/Red
1991 White/Red Black/Yellow
1992 White/Red Black/Yellow


  1. ^ Bort, Julie (July 2002). "Other techie daredevils". Network World. p. 73.
  2. ^ Harrison, Greg (February 1987), "Of Mice And Men: Sreamin' meemies in the North Georgia mountains", American Motorcyclist, p. 16

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