Japanese motorcycle Grand Prix

The Japanese Motorcycle Grand Prix (日本グランプリ) was a motorcycling event that is part of the Grand Prix motorcycle racing season.

Japanese Grand Prix

Grand Prix motorcycle racing
Venue	Twin Ring Motegi (1999, 2004–2019) Suzuka Circuit (1963–1965, 1987–1998, 2000–2003) Fuji Speedway (1966–1967)
First race	1963
Most wins (rider)	Marc Márquez (5)
Most wins (manufacturer)	Honda (48)

The main venue who held the races for years was the Suzuka Circuit, until it permanently was replaced by the Twin Ring Motegi from 2004 onwards after the circuit faced criticism for its short runoff area's and dangerous trackside barriers, causing the death of Japanese rider Daijiro Kato and the injuries of Marco Melandri and Alex Barros at the 2003 Japanese Grand Prix. As a result, Suzuka was faced with making considerable safety alterations to avoid a possible strike by the riders – many of whom believed the 240 hp motorbikes had outgrown the tight circuit. The FIM stated that the modifications would not be completed before 2005 and that, therefore, the 2004 Japanese Grand Prix would be held at the Twin Ring Motegi, but the circuit has not reappeared on the calendar ever since.[1]

The 2020 race was cancelled due to the outbreak of COVID-19.[2]