Fakhruddin A, Fahruddin A. The Effect of Using a Rocker Arm on the Performance and Efficiency of a 200cc 4 Stroke Motor: Pengaruh Penggunaan Rocker Arm Terhadap Performa dan Efesiensi Motor 4 Stroke 200cc. PELS [Internet]. 2021 Mar. 25 [cited 2025 Jul. 3];1(1). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/804