🏷️ Basic Information Identification Make: Stihl Model: 044 Year: N/A Generation: N/A 📋 Manual Details Publication Manual Type: Workshop Service Repair Manual Language: English Page Count: N/A Format: Download PDF ⚙️ Engine Specifications Engine Engine Type: 2-stroke Displacement: 70.7 cc Power: 3.7 kW / 5.0 bhp Bore: 50 mm Stroke: 37 mm Fuel System Carburetor: Walbro HD series Ignition Ignition System: electronic ignition 🔧 Transmission Drive Type: Direct Drive Clutch Clutch Type: Centrifugal clutch 📐 Dimensions Physical Length: N/A Width: N/A Height: N/A Weight: 7.7 kg (without bar and chain) 🔧 Maintenance Lubrication Fuel Mix Ratio: 50:1 (with Stihl HP Ultra 2-stroke oil) Bar And Chain Oil Type: Stihl BioPlus or equivalent Air Filter Air Filter Type: HD2 filter Spark Plug Spark Plug Type: NGK CMR6H 📄 Performance Cutting Recommended Bar Length: 20" to 36" Chain Pitch: 3/8" or .404" Chain Gauge: 0.063" (1.6 mm) 📄 Features Ergonomics Anti Vibration System: Yes Safety Chain Brake: Inertia-activated