Carburetor Cleaner FEATURES 1) This product adopts the imported materails and the latest formula. 2)it can remove the inner and outer smudge and carbon sediments of the carburetor effectually to make the engin work smoothly. thus enhance the power and obtain better effeciently, it is harmless to the double catalytic converter and oxygen-inductor DIRECTION 1. Open the air filter and take out the air filter paper 2. start the engine and maintain the speed of more than 5000 rounds 3. connect the extended hose of carburetor cleaner to the nozzle. then sprays into the carburetor 4. the cleaner immediately cleans the dirt and carbon sediments inside and emits by thr exhaust manifold NOTES (1) Spray away from the flame and high temperature place (2) avoid touching the skin and eyes (3) stored in the dark and cool place (4) keep out of the reach of children (5)valid for thress years (6) production dtae please see the bottom of the can