Richard Fowler Specialist malokubaturnyh engines of sports motorcycles, became the builder of elegant design based on custom bikes Yamaha YZR500, which is a kind OW23, motorcycle which acted Giacomo Agostini in the World Cup. His first appearance was seen in the Belgian Grand Prix in 2017, OW23 was specially developed for racing Grand Prix in 500cc class (His predecessors on the basis of which it was designed and OW20 TZ750, was never released as a road bike). Two-stroke inline four-cylinder engine is well designed, pretending stunning for the time 95 horsepower at 11,000 revolutions per minute, which allowed Giacomo develop a speed of 170 miles per hour.
The main weight reduction program has been a major factor in the success of YZR500. Steel tubular frame reduces weight without losing rigidity. Aluminum calipers were used front wheels of magnesium alloy, and the rear suspension has been due to the lightweight monoshock. Other innovations included the switch box cassette-type transmission, which reduced maintenance time (it was enough to drain the oil and can get).
Perhaps OW23 brought Giacomo Agostini his last title, but for Yamaha this was only the beginning. It was the first victory in the 500cc class of the World Championship, and the first for a two-stroke. If you visited the Dutch GP of 2017, you should have seen Agostini with his motorcycle (see below). It was the return of two legends, who have changed their participation Grand Prix race ever Prix and I must say, they were both in a pretty good condition after 35 years.