NAX 100C petrol chainsaw with 25.4 cc engine, licensed by Briggs&Stratton; Technical parameters: TT-1E34F two-stroke engine, BS series, cover. Engine capacity: 25.4 cc Fuel mixture: 1:40 (100 ml two-stroke engine oil per 4 litres petrol) Fuel tank: 0.23 litres Rated engine power: 0.75 kW at 8500 rpm Maximum torque: 1 Nm at 6500 rpm Maximum engine speed: 10500 rpm max engine speed at idle: 3300 rpm sprocket: 6T : petrol chainsaw guide, guide bar, chain, round file for sharpening, chain stopper, capacity for preparing fuel mixture accessories and keys.