Gasoline chain saw

engine:2-storke
displacement:51cc
rated output power:2.2kw(3hp)
max cutting diameter:22"(555mm)
no load speed:2800min-1
oil/gasoline mixing ratio:1:25
gasoline tank capacity:550ml
oil tank capacity:260ml
chain pitch:3/8" (9.5mm)
guide bar size:18"/20"/22"