Air intake system optimization through velocity stack and turbo cyclone variations for fuel efficiency improvement and exhaust emission reduction in 125cc automatic motorcycles. BIS Energy and Engineering, [S. l.], v. 3, p. V326018, 2026. DOI: 10.31603/biseeng.557. Disponível em: https://unimma.press/conference/index.php/biseeng/article/view/557. Acesso em: 31 may. 2026.