🏷️ Basic Information Identification Make: Stihl Models Covered: 009, 010, 011, 012 Year: Not specified (covers a range of models) Generation: Not applicable (specific models) 📋 Manual Details Description Manual Type: Workshop Service Repair Manual Manual Name: Stihl 009 010 011 012 Chain Saws & Parts Workshop Service Repair Manual Download Format Format: PDF Download Language Language: English Content Primary Focus: Service, Repair, Parts ⚙️ Engine Specifications General Engine Type: 2-stroke petrol engine Displacement: Varies by model (e.g., 009: 30.8 cc, 010: 30.8 cc, 011: 34.0 cc, 012: 34.0 cc) Performance Power Output: Varies by model (e.g., 009: 1.5 kW, 010: 1.6 kW, 011: 1.9 kW, 012: 1.9 kW) Fuel System Carburetor Type: Diaphragm carburetor Ignition Ignition System: Electronic ignition 🔧 Transmission Drive System Transmission Type: Centrifugal clutch Drive Ratio: Not specified (typical for chainsaws) 🔧 Maintenance Fuel Mixture Fuel Oil Ratio: Typically 50:1 (using Stihl HP Ultra 2-stroke oil) Spark Plug Spark Plug Type: Champion RCJ7Y or equivalent Spark Plug Gap: 0.020 inches (0.5 mm) Chain Tensioning Chain Tensioning Method: Side chain tensioner Air Filter Air Filter Cleaning: Regular cleaning or replacement Bar And Chain Bar Maintenance: Regular cleaning and lubrication Sharpening Chain Sharpening Angle: Typically 25-30 degrees Lubrication Chain Lubrication: Automatic chain lubrication via oil pump 📄 Capabilities Cutting Bar Length Options: Varies by configuration (e.g., 12-16 inches) Chain Pitch: Varies by configuration (e.g., 3/8" Low Profile) Operation Anti Vibration System: Yes