With the production of a variety of new motors can not eliminate the desire of consumers to keep maintaining the motor 2 steps, because it is known as a motor that has a simple engine construction and great power. The lubrication system used on two-stroke motors is different from the four-stroke motors, the two-step motorcycle lubrication system is equipped with a side oil which will lubricate the components inside the cylinder and then burn in the gasoline, thus affecting the engine performance. aims to determine the effect of the use of 3 side oil on the performance of the Kawasaki Ninja RR 150 cc The test was performed by using 3 side oil samples of ShellAdvance sx 2t oil, Mesrania Super2T, and Ultralin Racing 2T fueled by Prtamax Turbo, using the Viscosity, Dynometer and Fuel Consumption test apparatus. After doing viscosity testing it can be concluded that Ultraline oil has a high viscosity value while the lowest viscosity is found in Mesrania oil but when temperature is ± 60 º C the oil value is not too far difference viscosity. While the highest torque and power value found in Ultraline oil has the largest torque value of 19.43 N.m at 8914 rpm engine speed. And the greatest power value is 24.6 HP at 9167 rpm engine speed. on testing the fuel consumption of side oil that consumes the least fuel, ie 2T mesrania oil with a value of 14.89 km / l. with an average speed of 34.54 km / h.