Search results
Results From The WOW.Com Content Network
YDS-3 (1964) 246 cc, two-stroke, parallel-twin, it used the world's first oil injection lubrication system in a 2-stroke engine. [2] DT-1 (1968) Yamaha's first true off-road motorcycle. [1] XS-1 (1970) Yamaha's first four-stroke engine motorcycle (650 cc twin). [3] YZ Monocross (1975) First production motocross bike with a single rear shock. [3]
The YZ125 has a 124 cc (7.6 cu in) reed valve-inducted two-stroke engine. It was air cooled from 1974 to 1980, and liquid cooled since 1981. It has a Mikuni 38 mm TMX series carburetor. [6] The engine produces 35 hp (26 kW). [1] The YZ125 has been built with five- or six-speed manual sequential gearbox depending on model year.
Yamaha Y125Z or better known as Yamaha Z (in Europe, Thailand and Vietnam) is a 125 cc two-stroke moped or underbone motorcycle produced by Yamaha.Debuted in 1998 as a successor of Yamaha Y110SS, the Y125Z was the first two-stroke underbone motorcycle with an YEIS catalytic converter.
The original YZ250 of 1974 used an air-cooled 250cc two-stroke engine of 70 mm bore and a 64 mm stroke, which was improved semi-annually. The air-cooled motor was replaced in 1982 with a 249 cc liquid-cooled two-stroke reed-valved engine with a mechanical, rather than servo-driven, YPVS exhaust valve for a wider spread of power. Although other ...
Modifications to the frame would see the designation change to the 604, which was used until the motorcycle received an engine revision in 1994. In 1988, ATK released the 406, the two-stroke air-cooled Rotax-powered model that would become synonymous with their two-stroke line. The two-stroke line was also the first to receive a second bike, a ...
The Yamaha YBR 125 is a light motorcycle made by Yamaha that succeeds its previous model for this segment, the Yamaha SR125.Introduced in 2005, it comes in naked, [1] faired and 'custom' [2] variants.
2002 was the first season that allowed 990 cc 4-strokes to be raced alongside 500 cc 2-strokes.In a change from their V-4 YZR500, Yamaha designed the YZR-M1 (for "Mission One") with an inline-4 engine because it was the format considered to have the best mutual balance with the frame. [2]
The 0WJ1 and 0WH0 were developed simultaneously and used in reverse order during the season. 2nd 1998: 0WK1: Move to unleaded fuel. 2nd 1999: 2nd 2000: 0WK6: General improvements to the engine, frame and cowl. 1st 2001: 0WL6: 2nd 2002: 0WL9: The 28th and last generation of the YZR500 had to compete against the newly allowed 990cc 4-stroke ...