YZR500(0WE0)

This machine appeared with a max. power output boost to 160PS, compared to 155PS the previous year. Also, based on the premise that torque character is the product of a combination of combustion torque and inertial torque from the revolution of the crankshaft, a new phased simultaneous combustion interval (the diagonally opposed cylinders fired simultaneously at a 0-degree and 90-degree interval as opposed to the previous 180-degree interval) was adopted from the 9th round of this year's series, the Hungary GP. This improved traction in the low- to mid-speed range. This helped Rainey gain vital wins in the latter half of the season to claim his third World title. Kocinski also scored one win and finished the season in 3rd place.

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