1) 25cc,38cc,41CC,45cc,52cc,58cc,62cc,82cc 2) Walbro carburetor,OREGON chain 3) 16"/18"/20" Guide bar 4) CE,GS 5) OEM Engine displacement:25.4cc Maximum engine power:800w Fuel tank capacity:230ml Oil tank capacity:160ml Sprocket wheel:6-teeth x 9.53mm(3/8")pitch Chain bar length:305mm(12“) Weight(including bar and chain):3.85kg 25CC gasoline chain saw