🏷️ Basic Information Identification Make: Aprilia Model: C361M / C364M / C216M Model Codes: C361M, C364M, C216M Type: Motor Scooter Engine Displacement: 50cc Production Years Covered: 2004, 2005 Codes Manual Product Code: Not Specified 👋 Introduction Market Position Target Audience: Enthusiasts, DIY mechanics, professional repair technicians working on Aprilia 50cc scooters from 2004-2005. Competitive Analysis Manual Utility: Provides essential technical data and procedures for maintaining and repairing the specific engine variants, bridging the gap for owners who need specialized guidance. Key Features Download Convenience: Instant download provides immediate access without shipping delays or physical media. Completeness: Covers engine-specific technical information and updates for multiple model variants within the same generation. 📋 Manual Details Coverage Coverage Areas: Engine Repair, Engine Service, General Information, Technical Information, Updates for C364M Engine, Updates for C216M Engine, and More Page Count Total Pages: 139 Type Manual Type: Workshop Manual / Repair Manual / Service Manual Language Language: English Format File Format: PDF Compatibility: Win/Mac Searchability: PDF format typically allows for text searching, enabling quick access to specific topics or part numbers. Coverage Areas Specific Engine Updates: Highlights modifications or updates implemented in the C364M and C216M engine versions, crucial for accurate servicing. 📖 Manual Coverage Systems Covered Engine Systems: Engine internals (pistons, cylinders, crankshaft, bearings), lubrication system, cooling system (if applicable), fuel system (carburetor/injection), ignition system, exhaust system, starter system, engine management. General Information: Vehicle identification, safety precautions, general tools, maintenance procedures, torque specifications, tightening sequences. Technical Information: Specifications, tolerances, electrical system overview (basic), wiring diagrams (likely partial or engine-specific). Electrical System Scope: While primarily an engine manual, it may include basic electrical system diagrams pertaining to ignition, starting, and lighting circuits relevant to engine operation. Procedures Included Repair Procedures: Engine disassembly, assembly, inspection, cleaning, component replacement, troubleshooting for common engine faults. Maintenance Procedures: Regular servicing, oil changes, filter replacements, spark plug service, adjustments (carburetor, etc.). Troubleshooting: Diagnostic procedures for engine performance issues, starting problems, abnormal noises. Updates: Specific instructions and modifications related to the C364M and C216M engine variants. Diagnostic Charts: Likely includes troubleshooting charts or flowcharts for diagnosing common engine problems based on symptoms. Technical Depth Depth: Comprehensive engine rebuild and repair. Covers internal engine components and their associated systems. Likely includes detailed diagrams and specifications for engine work. Engine Rebuild Detail: The manual is expected to provide detailed torque specifications, clearances, and assembly order for all internal engine components, allowing for a complete engine overhaul. Special Tool Requirements: The manual will likely list any specialized tools required for engine disassembly, assembly, or measurement (e.g., piston ring compressor, torque wrenches with specific ranges). 📊 Manual Specifications File Format PDF Quality: Assumed high quality, suitable for digital viewing and printing. Text is likely searchable. Print Quality Printability: Designed for digital download and printing of individual pages or sections. Binding Type Binding: Digital Download (PDF) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Likely a two-stroke, air-cooled single-cylinder engine, common for 50cc scooters of this era. Bore X Stroke: Specifics not provided but expected to be detailed in the manual. Compression Ratio: Specifics not provided but expected to be detailed in the manual. Valve Clearances: If the engine is a 4-stroke, the manual will detail valve clearance specifications and adjustment procedures. (Likely 2-stroke, so this may not apply). Performance Horsepower: Typically in the range of 4-7 HP for 50cc scooters of this period. Exact figures will be in the manual. Torque: Specific figures not provided, but the manual will detail torque values for various components. Fuel System Fuel Delivery: Likely a carburetor. Specific model and jetting details will be in the manual. Carburetor Model: The manual will likely identify the specific carburetor model (e.g., Dell'Orto PHVA) and provide disassembly, cleaning, and adjustment procedures, including float height and idle speed settings. Ignition System Ignition Type: Electronic Ignition (CDI). Specific timing and spark plug requirements will be detailed. Lubrication Lubrication Type: Two-stroke oil injection or pre-mix. Manual will specify type and ratios. Cooling Cooling System: Air-cooled (most probable for this engine size). 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) with centrifugal clutch. Features Belt Drive Maintenance: Manual will cover CVT belt inspection, replacement, roller weights, and spring tensions. 📐 Dimensions Exterior Wheelbase: Specific dimensions are not provided, but the manual may include chassis geometry. Weights Dry Weight: Specific weight figures are not provided, but this information is often found in general specifications sections. 🛡️ Safety Features Active Features Braking System: Likely front disc brake and rear drum brake. Manual will provide brake system maintenance and bleeding procedures. Passive Features Lighting System: Headlight, taillight, brake lights, turn signals. Electrical section will cover bulb types and troubleshooting. 💡 Technology Features Infotainment Instrument Cluster: Basic analog or digital instrument cluster for speed, fuel, indicators. Manual may not cover detailed diagnostics of...