🏷️ Basic Information Identification Make: Aprilia Model: SR Max 300 Model Years Covered: 2011, 2012, 2013 👋 Introduction Market Position Segment: Premium Maxi-Scooter Competitive Analysis Competitors: Yamaha XMAX 250/300, Honda Forza 250/300, Kymco Xciting 250/300, Suzuki Burgman 200/250. Key Features Performance Oriented: Sporty handling, powerful engine for its class, comfortable for commuting and light touring. Design: Aggressive styling inspired by Aprilia's sportbike heritage. Practicality: Generous under-seat storage, comfortable seating position, good weather protection. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service Repair Manual Page Count Estimated Pages: 300+ Manual Type Type: Comprehensive Workshop/Service/Repair Manual Language Language: English Format Format: Digital (Likely PDF) 📖 Manual Coverage Systems Covered Engine Service: Engine overhaul, diagnosis, valve clearance, piston and cylinder, crankshaft, lubrication system, cooling system. Fuel System: Fuel injection system (EFI), fuel pump, injectors, throttle body, fuel filter replacement, evaporative emission control. Exhaust System: Exhaust manifold, catalytic converter, muffler, lambda sensor (oxygen sensor). Transmission And Drivetrain: CVT transmission operation, belt replacement, clutch inspection and replacement, roller weights, torque driver. Chassis And Frame: Frame inspection, body panels, seat, storage compartment, center stand, side stand. Suspension Front: Front fork assembly, oil seal replacement, spring replacement, steering bearing service. Brakes Front: Brake caliper service, brake pad replacement, brake disc inspection, hydraulic system bleeding, master cylinder. Wheels And Tires: Wheel bearing inspection, tire pressure, tire replacement, wheel balancing. Suspension Rear Rear Shock ABSorber: Rear shock absorber removal, installation, adjustment (if applicable). Brakes Rear Rear Brake System: Rear brake caliper service, brake pad replacement, brake disc inspection, hydraulic system bleeding. Electrical System Lighting And Signals: Headlight, taillight, brake light, turn signals, hazard lights, bulb replacement. Battery And Charging: Battery inspection, charging system (stator, regulator/rectifier), starter motor. Ignition System: Spark plug replacement, ignition coil, ECU (Engine Control Unit) diagnostics. Instrumentation: Dashboard indicators, speedometer, tachometer, fuel gauge, warning lights. Wiring Diagrams: Complete electrical schematics for all systems. Procedures Included Routine Maintenance: Oil and filter changes, air filter replacement, spark plug replacement, brake fluid flush, coolant service. Troubleshooting: Diagnostic procedures for common and uncommon faults, fault code interpretation (if applicable via OBD-II). Component Overhaul: Detailed step-by-step instructions for engine, transmission, suspension, and brake component rebuilds. Adjustment Procedures: Carburetor adjustment (if applicable), throttle cable adjustment, brake lever adjustment. Technical Depth Depth Level: In-depth diagnostics, repair, and overhaul procedures suitable for professional mechanics and experienced DIY enthusiasts. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format), optimized for searchability and printing. Print Quality Digital Resolution: High-resolution scans/digital files ensuring clarity of diagrams, illustrations, and text. Binding Type Digital Access: Downloadable digital file, accessible on multiple devices. Paper Type Digital Media: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke, liquid-cooled, SOHC, 4-valve Displacement: 278 cc (approx.) Bore X Stroke: 75 mm x 63 mm (typical for this engine family) Compression Ratio: 10.5:1 (typical) Performance Power Output: Approximately 22 HP (16.5 kW) at 7,250 rpm (claimed) Torque Output: Approximately 23 Nm (17 lb-ft) at 6,000 rpm (claimed) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Keihin or Magneti Marelli system typical for Aprilia Fuel Type: Unleaded gasoline, minimum 95 RON Ignition: Electronic ignition, CDI control 🔧 Transmission Standard Type: Automatic CVT (Continuously Variable Transmission) Clutch: Automatic centrifugal clutch Features Gear Ratios: Continuously variable, governed by clutch and torque driver operation. Final Drive: Belt drive and planetary gears 📐 Dimensions Exterior Length: Approx. 2180 mm Width: Approx. 780 mm Height: Approx. 1450 mm (seat height variable) Wheelbase: Approx. 1540 mm Weights Dry Weight: Approx. 191 kg Wet Weight: Approx. 207 kg (with fluids) Max Payload: Approx. 180 kg (rider + luggage) Interior Seat Height: Approx. 780 mm Cargo Under Seat Storage: Sufficient for one full-face helmet and small items. 🛡️ Safety Features Ratings Crash Test Data: N/A (Motorcycle specific crash testing not typically rated like cars) Active Features Braking System: Dual hydraulic disc brakes front and rear, potential for ABS on some variants (check specific model) Lighting: Halogen headlights, LED taillights/brake lights (model dependent), turn signals. Passive Features Chassis Design: Steel underbone frame for rigidity and rider protection. 💡 Technology Features Infotainment Dashboard: Digital-analog instrument cluster with LCD screen for odometer, trip meter, fuel level, coolant temperature, and warning lights. Driver Assistance ABS: Anti-lock Braking System (ABS) may be optional or standard depending on the specific market variant and year. The manual will detail its operation and maintenance. Connectivity Connectivity Features: Limited in this era; primarily focused on vehicle operation rather than rider connectivity. 🔧 Maintenance Service Intervals Engine Oil Change: Every 5,000 km or 1 year, whichever comes first. Air Filter Replacement: Every 10,000 km or 2 years. Spark Plug Replacement: Every 10,000 km or 1 year. Cvt Belt Check: Inspect every 5,000 km, replace as needed based on wear. Brake Fluid Flush: Every 2 years. Coolant Change: Every 2 years. Fluid Specifications Engine Oil Type: SAE...