FIM JuniorGP World Championship
| Current season, competition or edition: 2025 FIM JuniorGP World Championship | |
| Sport | Motorcycle sport |
|---|---|
| Continent | World |
| Official website | FIM JuniorGP World Championship |
FIM JuniorGP World Championship is a junior class race event organized by Dorna Sports under FIM regulations. It runs under Moto3 regulations and acts as an Moto3 World Championship feeder. This class is restricted to single-cylinder 250 cc four-stroke engines with a maximum bore of 81 mm (3.2 inches). The minimum total weight for motorcycle and rider is 148 kg (326 lb).