1)45cc gas chain saw with CE approval 2) long life engine. 3)our facrory can produce the engine,so will have the good quanlity GASOLINE CHAIN SAW 4500 Engine type: air-cooling,two-stroke,single cylinder gasolineEngine power:1.8kwDisplacement: 45ccCarburetor:diaphragm typeIgnition method CDIGasoline/Two-cycle oil mixing ratio: 25:1Idling speed: 2800-3000r/minFuel tank capacity: 550mlEngine oil ...