Ernazarov, A., Musurmonov, S. and Khaytbaev, E. 2025. Investigation of the effect of spark plug orientation on the operation of an internal combustion engine. Journal of Transport. 2, 1 (Mar. 2025), 108-112. DOI:https://doi.org/10.56143/2181-2438-2025-1-108-112.