It was equipped with a front disc brake with an opposed piston caliper and an irregular pitch spring on its rear suspension. The color was renewed too.
It had its color changed, and its spark plug changed from No.7 to No.8. The engine of the Racer TR3 was based on this engine, and won the DAYTONA of 1972.
It was the first Yamaha model to adopt a 6-speed transmission whose 2-5 gear ratio were close. This transmission was adopted in order to draw out the engine power of the commercially-sold racer model engine.
It mounted a DR350-based engine on its frame that was composed of a pipe truss part and an aluminum hanger plate part. It also had an inverted front fork.
GT series was the SUZUKI roadsport model that represented the 70s. Its big body and the 4-pipe exhaust whose center pipes were split in two had created its powerful rear appearance.
SKYWAVE was famous for its powerful ride feel. Type S version had highlighted its sporty impression, and was added to the 400cc class after being added to the 250cc class in the autumn of 2002.
It generated 32 horsepower, which was a top-class value even in Europe. It adopted a remote control dial that enabled easy initial adjustment of the rear suspension that became handy when you rode double.
It was a replica model of the NS500. Same as MVX250F, it mounted a water-cooled 90-degrees V3 engine with two front cylinders & one rear cylinder on its race style body.
It had a small body same as GX250, which was its series model. Its square body was inherited from the RD series, the 2-stroke road bike. It drove in a swift manner, just like other Yamaha.