This research was conducted to study the performance of the engine YAMAHA YZF R6 and the composition of the exhaust of the engine YAMAHA YZF R6, led by oil, gas, gasohol 95 Gasoline 95 Fuel E20 and fuel E85, which oil above the oil. that is sold in the market The research has led to the installation of the engine to the chassis of the car. Then connects to the Chassis dyno testing to begin at around 1700 rev / min and then increased to 2500 4000 5000 6000 7000 8000 and 9000 rev / min, respectively.