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YZR250(0W82)

View machine data for past races Yamaha has competed in.

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250ccYZR250(0W82)(1986)

The first V-twin with twin crankshafts

This was not a development of an existing production racer but the first true 250cc class factory machine developed by Yamaha in 13 years, taking an advance twin-crankshaft prototype V-twin developed for the 60-degree bank V-4 YZR500 (0W81) and mounting it on a chassis structure developed with a stress on cooling efficiency. As an engine with simultaneous detonation, for reduced vibration, it had a problem with starting, but with a machine weight of less than 100 kg and a firm Deltabox frame, it achieved outstanding handling performance. C Lavado rode this machine to six wins in the 1986 GP250 series to take his second World GP title. After a big accident in the opening round, Tadahiko Taira came back to win the last round of the season, the San Marino GP.

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  • Spec

    • Capacity - 249cc
    • Max Power - 75PS
  • Records

    1985

    1st: 1 Carlos Lavado - Sun Marino

    1986

    1st: 1 Tadahiko Taira Yamaha Marlboro Team Sun Marino
    1st: 6 Carlos Lavado Venemotos Team Spain, West Germany, Austria, France, The Netherlands, Sweden

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