DescriptionWith high-quality materials, superior performance, and a powerful engine, this gasoline chainsaw is an efficient professional cutting tool that saves you time and labor. The ergonomic handle, dual on/off switch, brake flap, and pull-type ignition make it comfortable and safe to use. How to Assemble the Chainsaw1.Install the jam teeth in the right direction.2.Install the guide bar.3.Install the chain.4.Cover the side cover.5.Adjust the chain tightness.6.Tighten the screw.How to Start the Chainsaw1. Push the Brake.2. Move the “On/Off” switch to the “On” position.3. Pull the choke knob fully out to position.4. Pull the start handle(max 6 times).5. Push the choke knob back fully.6. Pull the starter until the engine starts.SpecificationColor: Red and WhiteModel: 5200Style: ModernAssembly Required: YesMaterial: PropyleneEngine Type: Single Cylinder, Air-cooled, 2-StrokeIgnition System: Self-reset Pull StartFuel Oil Mixing Bottle Capacity: 550ml/18.6OzPower: 2.0kwSpeed: 7500rpmDisplacement: 52ccOil Mixture: 25:1(90# Gasoline: Oil with 2-cycle Engine Oil) Chain Length: 51cm/20inchMax. Cutting Diameter: 51cm/20inchEngine Size: 40*27cm/15.74*10.62inchPackage Size: 53*28*7.5cm/20.87*11.02*2.95inchGross Weight: 7.5kg/16.53lbsPackage Included1* Gasoline Chainsaw1* Chain Bar Cover1* Fuel Oil Mixing Bottle1* Tool Bag1* English Manual1* FunnelOther Accessories for AssemblyNotes1.Please use gasoline 90# with special 2-cyc