Along with the 25th anniversary of the R1, Yamaha will celebrate the 50th anniversary of its TZ production racer line, which began with the TZ250 and TZ350.
MV Agusta will participate in this year's Classic GP event at Assen, home of the Dutch TT and site of 35 world championship victories by the Italian brand.
The World Supercross Championship is still quite new, and its British GP, round one of 2023, took place in Birmingham, a new venue for the championship.
The two-time AMA Supercross champion Chad Reed will join the World Supercross Championship as a motorsport adviser, and will have a role in the broadcast.
A petition has been started hoping to save Wolverhampton Speedway, the club of the Wolverhampton Wolves, after the tenancy for its stadium was not renewed.
GasGas and TrialGP have announced together a renewal of their partnership that will see the Spanish brand as the official manufacturer of TrialGP in 2023.
Clement Desalle and Ivan Tedesco have been named as test riders for the Triumph motocross programme in the World Championship and the US, respectively.
The 2023 Harley-Davidson Screamin' Eagle Factory Team has been launched, as the Milwaukee brand looks to reclaim the King of the Baggers title from Indian.