Public knowledge about plastic waste management is still a major problem. This study aims to determine the performance and engine emissions of a mixture of pet (p) and Pertamax (b) plastic oil, the purpose of which is to increase the RON of plastic oil. There were 3 fuels tested, pure plastic oil (p100), 90% Pertamax + 10% plastic oil (bp10), 80% Pertamax + 20% plastic oil (bp20). The highest torque test result was 11.38 nm at p100, the highest power was at bp20 with a value of 8.24 hp. exhaust gas emissions of CO = 4.33% at p100, and the best O2 at 6.43% at rpm of 8500 with a mixture of bp20 fuel.