Engine Model:1E34F Engine Type: Single cylinder,2-strokes,air-cooled Displacement: 25.4cc Rated power: 0.75kw/ 6500-7000 rpm Idle speed: 2800-3200 rpm Transmission drive: automatic centrifugal clutch Carburetor:pump film type Starter Method:Hand Pulling recoil start Gasoline/2-cycle lubricator oil mixing ratio: 25:1 Fuel tank capacity: 700ml working pole diameter: 26mm bump feed nylon rope 2.44mm dia engine weight: 2.7 kgs Whole machine weight: 5.5 kgs operating way: shoulder strip, loop type handle packing dimension (engine/shaft) 30*24*18cm /165*11*10cm 525pcs /20 fcl 960pcs /40 fcl