Satrio, Hutomo Jiwo, and Wibi Pramanda. “The Effect of Coil and Spark Plug Variation on Emission, Power and Torque on Vixion 150”. Piston: Journal of Technical Engineering 7, no. 2 (January 16, 2024): 60–68. Accessed October 10, 2024. https://openjournal.unpam.ac.id/index.php/Piston/article/view/34228.