Engine displacement:-------------- 52ccRated output Power:---------------2.2kw Max speed:------------------------- 11000r/minIdle speed:------------------------- 2800r/minGasoline/two-cycle oil mixture ratio: 25:1Fuel tank Capacity:---------------- 560mlChain Pitch:------------------------- 0.325"Chain gauge:----------------------- 0.058''Guide bar size:--------------------- 18''/20''22''