MOTUL P1 Carbu Clean. Application. A carburetor cleaner is specially created for removal of deposits, lacquers on such carburetor parts as diffusers, spool valves, jet nozzles, float chambers, floats. Properties of MOTUL Carbu Clean. It stabilizes the idle run and improves engine operation. Recommendations for application. Shake. Remove the air filter on the non-operating engine. Spray into the air inlet. Leave for 10 minutes. Repeat the procedure with the started engine, spraying the product directly in the chambers, jet nozzles, etc. Spray it on the treated surface of the dismantled carburetor or injection system from a short distance. Wait for several minutes. Wipe very dirty areas with a cloth. It is recommended to use MOTUL Fuel System Clean additionally for 4-stroke engines. Safety. Read the information on the safety sheet and on the label of the product.