🏷️ Basic Information Identification Make: Sachs Model: General FIVE MoPed Engine 505 1A Year: N/A Generation: N/A 📋 Manual Details General Manual Type: Service Repair Manual Language: English Format: PDF Availability Download Type: Instant High Speed Download Compatibility: All Versions of Windows, Mac, Linux Usability Printable: Yes Requirements Software Requirement: Adobe PDF Reader ⚙️ Engine Specifications General Engine Type: 2-stroke, air-cooled Displacement: 49 cc Performance Bore: 38 mm Stroke: 43 mm Compression Ratio: 7.5:1 Fuel System Carburetor: Bing 1/17/63 (or similar) 🔧 Transmission General Type: Automatic (Centrifugal Clutch) Gears: Single Speed (with automatic clutch engagement) 📐 Dimensions Engine Dimensions Length: Approx. 300 mm (engine block) Width: Approx. 250 mm (engine block) Height: Approx. 200 mm (engine block) Engine Weight Weight: Approx. 8 kg (engine only) 🔧 Maintenance Lubrication Oil Type: 2-stroke engine oil (e.g., SAE 30 or equivalent) Fuel Oil Mixture Ratio: 1:20 (1 part oil to 20 parts gasoline) Ignition Spark Plug Type: Bosch W7AC or equivalent Spark Plug Gap: 0.6 mm Tuning Ignition Timing: 1.5 mm before TDC (Top Dead Center)