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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.
A range of add-ons are readily available from simple bolt on modifications and suspension parts to complete aftermarket frames and big bore kits to give more power to the engine. The heavily finned, air-cooled Blaster engine has roots from a water-cooled machine (Yamaha DT200), as evidenced by the plugged water pump casting on the right side of ...
Yamaha YA-1. YA-1 built August 1954, produced January 1955. The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine [1]
The 1998 YZ400F was the first bike to come stock with a Keihin FCR carburetor. In 1998, Doug Henry won the AMA National Motocross Championship aboard the YZF, becoming the first rider to win a championship on a four-stroke motorcycle. This victory is considered by some to be the major turning point in the motocross world—for the first time ...
The Yamaha YZ250F is a motocross motorcycle first released in 2001 by Yamaha.It features a DOHC, four-stroke engine and initially had a steel frame and subframe in 2001–2002.
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 ...
The Yamaha YZF1000R Thunderace was a motorcycle produced by Yamaha from 1996 until 2005.. The YZF1000R was a stop-gap bike from the FZR1000 to the YZF-R1 and produced from existing parts bins.
The YZF600R Thundercat was introduced to the USA in 1994 (Europe in 1996) as a replacement to the FZR600R.During the 1997 European 600 super sport championship season, the YZF600R Thundercat was the only four-cylinder motorcycle to win a race against the dominant Ducati 748.