NLOCS-001 Chain saw model: NLOCS-001 Engine model: 1E45F Power type: Single cylinder ,two-stroke, air-cooling, gasoline engine Displacement: 49.3cc Rated output power & relevant speed: 2kw/7500rpm Power output way : Automatic centrifugal meshing Lading speed : 3000rpm Chain oil feeding system: adjusting mechanical pump Fuel mixture ratio: (gasoline 25:two-cycle oil 1) Chain oil: motor oil SAE#10W-30 Fuel tank capacity: 550ml Engine oil tank capacity:260ml Ignition system: C.D.I Starting system automatic recoil hand starter Guide bar size: 18''''/20'''' Chain pitch: 0.325'''' Chain gauge: 0.058'''' Mass (without bar and saw. Empty tank ): 5kg G.W/N.W: 7.9 kg / 6.5 kg Meas : 480*260*300mm