The WorldSBK initial rev limits for 2021 will be as follows
| Aprilia | 14,700 rpm |
| BMW | 14,950 rpm |
| BMW 2019 (K67) | 14,900 rpm |
| BMW 2021 (M) (K66) | 15,500 rpm |
| Ducati V2 | 12,400 rpm |
| Ducati V4 | 16,100 rpm |
| Honda (SC77) | 15,050 rpm |
| Honda (SC82) | 15,600 rpm |
| Kawasaki 2019 | 14,600 rpm |
| Kawasaki (RR) 2021 | 14,600 rpm |
| MV Agusta | 14,950 rpm |
| Suzuki | 14,900 rpm |
| Yamaha | 14,950 rpm |
The 2021 BMW M1000RR engine received multiple new components. Therefore the CTI have decided that it has a rev limit based on calculation.
The 2021 Kawasaki ZX-10RR engine received only a limited amount of new component. Therefore the CTI have decided that it has a rev limit based on the performance balancing algorithm following the 2020 season.
Check out our in depth discussion with Scott Smart about the WorldSBK RPM Limits
Source: MCNews.com.au