The race continued in that format until 1975, when the 250 cc class was dropped for "rider safety".

The 125 cc class was replaced in 2012 by the Moto3 class.

The 4500 cc class also allowed for 11-inch-wide tires.

Their performance led to the offer being extended to the 500 cc class for 2000.

For 2001, he moved up to the 500 cc class with the Tech 3 team.

In these debut races, Yamaha won the 125 cc class.

For 17 straight years, Hino always won the under 10,000 cc class, and captured 1st overall in the 1997 event.

In 2003, he moved to the biggest 500 cc class and placed fourth.

The world championship was started the following year, and he took his first title with Suzuki in the 250 cc class.

There are also classes for kids such as the 85 cc class.