
The British rider will take the place of an injured Leonardo Taccini at the Villicum circuit aboard one of Ten Kate's two Yamaha R6s, and will share a garage with reigning champion and points leader Dominique Aegerter.
Smith was a full-time MotoGP rider between 2013 and 2018, firstly with the Tech 3 Yamaha team and then with KTM, before coming a test rider with Aprilia in 2019 and stepping up to a full-time ride with the Italian marque in 2020 following Andrea Iannone being handed a doping ban.