Galih Muji Tri Sutrisno and Togik Hidayat 2023. IMPROVING UNDERBONE MOTORCYLES IGNITION SYSTEM USING CDI PROGRAMMED BY CAMSHAFT DURATION ON A 4-STEP 125 CC MOTOR. Journal of Engineering, Electrical and Informatics. 3, 2 (Jun. 2023), 17–26. DOI:https://doi.org/10.55606/jeei.v3i2.1479.