Kyosho 74115 is a nitro engine designed for use in radio-controlled models. It features a throttle lever for adjusting the air-fuel mixture inflow and controlling engine rpm, a carburetor for mixing air and fuel, a needle valve for adjusting fuel inflow, an idle adjustment screw for adjusting carburetor opening when idling, a glow plug for igniting the compressed air-fuel mixture, and a recoil starter for starting the engine. It is compatible with high-performance glow plugs such as GS glow plug KYOSHO No.74902, O.S./A5, and ENYA/A No.4, No.5.