51cc chain saw 

Egine:air-cooling,two-stroke,signle cylinder gasoline

Displacement:51CCEngine power:2.2kwRelevent speed:7000r/minIdle speed:2800r/min

Bar size:450/500/558mm(18"/20"22")

Chain pitch:0.325"

Machine weight:8kg

Packing size:530*260*290*

51cc chain saw