🏷️ Basic Information Identification Make: Stihl Model: 041 / 041AV / 041FB / 042AV Year: N/A (Covers multiple model years) Generation: N/A 📋 Manual Details Publication Info Manual Type: Workshop Service Repair Manual Language: English Page Count: Variable (PDF download) Format: Downloadable PDF Content Coverage: Disassembly, assembly, troubleshooting, parts identification, maintenance, specifications ⚙️ Engine Specifications Engine Performance Engine Type: 2-stroke gasoline engine Displacement: 50.2 cc (cubic centimeters) Power: Approximately 2.9 kW / 3.9 hp (Horsepower) Fuel And Oil Fuel Type: Unleaded gasoline Fuel Oil Mix Ratio: 1:50 (with Stihl 2-stroke engine oil) Ignition Ignition System: Electronic ignition Carburetor Carburetor Type: Adjustable (e.g., Tillotson or equivalent) 🔧 Transmission Drive System Type: Centrifugal clutch Gears: N/A (Direct drive) 📐 Dimensions Physical Attributes Length: Variable (dependent on bar length) Width: Variable (dependent on bar length) Height: Variable (dependent on bar length) Weight: Approximately 7.7 kg (17 lbs) without bar and chain 🔧 Maintenance Routine Care Service Interval: Refer to manual for specific intervals Oil Capacity: N/A (Fuel/oil mixture) Lubrication Bar And Chain Oil Type: Stihl special bar oil or equivalent