It mounted the newly designed CVT engine which was water-cooled, 4-stroke, 155cm³, single-cylinder, 4-valve, and fuel injection type. While sticking with vibration reduction, it achieved 11kW (15PS) maximum output and had productive torque characteristics to make the bike drive in a sporty manner.
The final version of the 500SS came without the name MACH III. Its new frame made it easy to handle. It also had a translucent brake master cylinder tank.
The square four engine with two crankshafts and the rotary disc valve intake is the same as the RGB500. It is the genuine replica of the racer model with additional safety parts.
The extreme power, generated from the parallel 3-cylinder unit, rose the front wheel so easily. That shrew-like power that lasted up till its 3rd gear, made this initial model of the MACH 500 series so popular. Its quarter-mile speed, 12.4, was the world's fastest record indeed.
It was the first mass-production model to adopt a DOHC 4-valve head, It also adopted the 180 degrees crank that was beneficial for the high rotation. It was called the "4-stroke RX350" for its fast running ability.
It was the biggest off-road mode in the Japanese market at that time. Its base model was the export version of the TT500 enduro. The engine is taken over by SR.
It adopted a 2-stroke water-cooled V4 engine on an aluminum frame. It became the center of attention for being the replica model of the YZR500, the WGP racer model. Its export version was named RD500LC.
It remodeled the engine of the XT500 to make it adapt to the street road, and mounted on its exclusive frame. The initial type 500 is characterized by its tail design that doesn't have a seat cowl and the raised handlebar style.
The third model of the 3-cylinder GT series, following the 759 and the 380. It focused on having better handling and stability rather than having an absolute power, and adopted a cell motor and a disc brake from the beginning.
The exterior parts of the 550FOUR-II was diverted to upgrade the style. It adopted a megaphone type 4-pipe exhaust, same as the 750K7 one, and had a more sophisticated suspension.