🏷️ Basic Information Identification Make: Aprilia Engine Family: C361M, C364M, C216M Applicable Years: 2004, 2005 (and similar years/models) Codes Engine Codes: C361M, C364M, C216M 👋 Introduction Market Position Target Audience: Aprilia motorcycle owners, independent repair shops, and DIY mechanics seeking detailed service information. Competitive Analysis Value Proposition: Provides dealership-level repair information, offering a cost-effective alternative to authorized service centers and less comprehensive aftermarket guides. Key Features Delivery Method: Instant digital download, eliminating shipping delays. Information Source: Corresponds to the type of documentation used by official motorcycle dealerships. Ease Of Use: Searchable PDF format allows for quick access to specific information. 📋 Manual Details Coverage Areas Primary Coverage: Aprilia Engines Secondary Coverage: Associated Motorcycle Systems (Chassis, Electrical, etc.) Page Count Estimated Page Count: Highly comprehensive, typical for full workshop manuals (specific count not provided but implies extensive detail) Manual Type Type: Service Repair Workshop Manual Language Language: English (implied by description) Format Format: Adobe Acrobat PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, inspection, repair, tuning, lubrication Transmission Systems: Transmission inspection, repair, adjustments Chassis Systems: Frame, suspension, steering, wheel alignment Electrical Systems: Lighting, battery, ignition, wiring diagrams, electrical component testing Brake Systems: Brake system maintenance, repair, hydraulic components Fuel Systems: Fuel system inspection, cleaning, components, fuel delivery Clutch Systems: Clutch inspection, adjustment, replacement Locking Mechanisms: Lock system maintenance and repair Seat Systems: Seat and upholstery maintenance (likely limited to access/removal) Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug replacement, brake fluid checks Diagnostic Procedures: Troubleshooting common issues, symptom analysis, component testing Repair Procedures: Engine rebuilds, transmission overhauls, suspension component replacement, electrical repairs, brake caliper servicing Adjustment Procedures: Carburetor tuning, ignition timing, clutch and brake lever adjustments, suspension sag Technical Depth Depth: Comprehensive Workshop Level: Covers everything from basic maintenance to complete engine teardowns and rebuilds, suitable for professional technicians and advanced enthusiasts. 📊 Manual Specifications File Format Searchability: Keyword searchable PDF Compatibility: PC and Mac compatible Print Quality Printability: Printable sections or entire manual Binding Type Recommendation: Print and place in 3-ring binders for organized reference Paper Type Usage Recommendation: Print only needed sections to avoid damaging expensive paper manuals ⚙️ Engine Specifications Primary Engine Engine Displacement: Specific displacement not listed for C361M, C364M, C216M but are typically single-cylinder, 4-stroke engines found in smaller displacement Aprilia motorcycles (e.g., 50cc, 125cc, 250cc range depending on specific model application). Engine Configuration: Likely single-cylinder, liquid-cooled or air-cooled, 4-stroke (based on typical Aprilia engine designations of this era). Performance Horsepower: Variable, dependent on specific engine variant and model application. Manual covers detailed performance specifications and tuning. Torque: Variable, dependent on specific engine variant and model application. Manual covers detailed performance specifications and tuning. Fuel System Induction Type: Likely carburetor-fed or early fuel injection (EFI) systems, with detailed service procedures for each. Engine Components Cooling System: Manual covers radiator, coolant flow, and fan operation (if liquid-cooled). Ignition System: Covers spark plugs, ignition coils, CDI unit, and timing procedures. Lubrication System: Detailed information on oil pump, oil passages, and oil change procedures. Specific oil type and viscosity to be confirmed by the manual. 🔧 Transmission Standard Type: Likely a sequential manual transmission (SMT) with multiple gears, common in Aprilia sport motorcycles. Optional Features: Manual will detail clutch operation (wet multi-plate is common), gear selection mechanisms, and internal transmission components. Features Gear Ratios: Specific gear ratios will be detailed within the manual for each engine variant. Transmission Fluid: Manual will specify the correct transmission fluid type, viscosity, and capacity. 📐 Dimensions Exterior Vehicle Type: Motorcycle (engine application) Weights Dry Weight: Variable by motorcycle model. Manual may reference component weights. 🛡️ Safety Features Ratings Vehicle Safety: As this is an engine manual, direct safety ratings for the vehicle are not covered, but it details safety-critical components like brakes and chassis. Active Features Braking System: Detailed procedures for hydraulic brake systems, including bleeding and pad replacement. Passive Features Frame Integrity: Information on frame inspection and potential repair, crucial for vehicle stability. 💡 Technology Features Infotainment Vehicle Features: This manual focuses on mechanical and electrical systems; infotainment is generally not covered in engine repair manuals. Driver Assistance Vehicle Features: Not applicable for engine manual. Advanced rider aids are not expected to be detailed. Connectivity Vehicle Features: Not applicable for engine manual. Connectivity features are beyond the scope of this documentation. Engine Control ECU Diagnostics: If equipped with EFI, the manual will likely include information on diagnostic trouble codes (DTCs) and basic ECU troubleshooting. 🔧 Maintenance Service Intervals Oil Change Interval: Manual will specify recommended intervals for engine oil and filter changes, typically between 3,000-6,000 km or annually, depending on usage. Air Filter Service: Details on cleaning or replacing the air filter at specified intervals. Spark Plug Replacement: Recommended replacement intervals for spark plugs. Fluid Specifications Engine Oil Type: Manual will specify SAE viscosity grade...