A provisional list of team entrants for 2017 was released on 26 October 2016. All teams used
Dunlop tyres.
Team changes • Paolo Simoncelli's team
Sic58 Squadra Corse made their Moto3 debut, fielding two
Honda NSF250RWs for
Tony Arbolino and
Tatsuki Suzuki. • 3570 Team Italia left Moto3 for the
Supersport 300 World Championship. • After spending the previous season in Moto3,
RW Racing GP switched to Moto2. • AGR Team fielded one bike in Moto3, after spending the previous season in Moto2 with two bikes. • After entering the
2016 season with three bikes, both
Leopard Racing and
Sky Racing Team VR46 reverted to two bikes in 2017. • After spending the previous season with
Mahindra, Platinum Bay Real Estate changed bikes to
KTM. • Ongetta-Rivacold changed their name to Snipers Team, with Marinelli Rivacold as their main sponsor.
Rider changes • After spending two seasons as a replacement rider,
Lorenzo Dalla Porta has made his full season debut with
Aspar Mahindra Moto3, filling in the seat vacated by
Francesco Bagnaia who moved up to Moto2. •
Romano Fenati, who was fired from Valentino Rossi's team
Sky Racing Team VR46 midway through last season due to behavioral issues, landed a ride with Snipers Team for the 2017 season. •
Niccolò Antonelli left Ongetta-Rivacold (now called Snipers Team) to join
Red Bull KTM Ajo, replacing
Brad Binder who moved up to Moto2. •
Enea Bastianini moved to
Estrella Galicia 0,0, filling in the seat vacated by
Jorge Navarro who moves up to Moto2, with
Jorge Martín replacing Bastianini in
Gresini Racing Moto3. •
John McPhee moved to a brand new UK-based team backed by
Dorna, GB Team with
Jakub Kornfeil replacing him at
Peugeot MC Saxoprint. •
María Herrera has moved to AGR Team, who decided to field one bike in Moto3. Herrera previously rode for her own team in 2016 after taking over the assets of Team Laglisse. •
Tony Arbolino has made his Moto3 debut with the new Moto3 team
Sic58 Squadra Corse, having rode for the team in
2016 FIM CEV Moto3 Junior World Championship. •
2016 Red Bull MotoGP Rookies Cup Champion,
Ayumu Sasaki made his Moto3 debut with
SIC Racing Team, filling the seat vacated by
Jakub Kornfeil. • After spending the previous season as a replacement rider for
Peugeot MC Saxoprint,
Albert Arenas made his full season debut with Aspar Mahindra Moto3, filling the seat vacated by Jorge Martín. •
Tatsuki Suzuki moved to the new team
Sic58 Squadra Corse, with both
Marco Bezzecchi and
Manuel Pagliani made their Moto3 full season debut, filling in the two seats vacated by Suzuki and
Fabio Spiranelli at CIP-Unicom Starker. •
Patrik Pulkkinen made his Moto3 debut, joining
Peugeot MC Saxoprint. •
Livio Loi moved to
Leopard Racing, filling in the seat vacated by both
Fabio Quartararo and
Andrea Locatelli who moved up to Moto2. • Both
Kaito Toba and
Nakarin Atiratphuvapat set to make their Moto3 debut with Honda Team Asia, being promoted from Asia Talent Team Academy after
Hiroki Ono left the team and
Khairul Idham Pawi got promoted to Moto2. •
Enzo Boulom, who was on the provisional entry list as Wildcard & Replacement Rider, withdrew from the championship.
Mid-season changes •
Danny Kent returned to Moto3 after leaving Kiefer Racing in Moto2. After joining
Red Bull KTM Ajo as a wildcard at the
French GP, at
Germany, Kent also replaced
Niccolò Antonelli at the same team. •
Darryn Binder was replaced by
Dennis Foggia at the
Czech GP.
Jaume Masiá replaced him for 3 rounds. • AGR Team folded its operations in both Moto2 and Moto3 following the Aragon GP due to financial issues coupled with poor performance throughout the 2017 season. For the Australian and Malaysian rounds,
María Herrera replaced
Albert Arenas at the Aspar team. At the Valencia GP, Arenas returned. ==Results and standings==