🏷️ Basic Information

Make:

Aprilia

Model:

SR Max 300

Model Years Covered:

2011, 2012, 2013

👋 Introduction

Segment:

Premium Maxi-Scooter

Competitors:

Yamaha XMAX 250/300, Honda Forza 250/300, Kymco Xciting 250/300, Suzuki Burgman 200/250.

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

Primary Coverage:

Workshop Service Repair Manual

Estimated Pages:

300+

Type:

Comprehensive Workshop/Service/Repair Manual

Language:

English

Format:

Digital (Likely PDF)

📖 Manual Coverage

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.

Rear Shock ABSorber:

Rear shock absorber removal, installation, adjustment (if applicable).

Rear Brake System:

Rear brake caliper service, brake pad replacement, brake disc inspection, hydraulic system bleeding.

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.

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.

Depth Level:

In-depth diagnostics, repair, and overhaul procedures suitable for professional mechanics and experienced DIY enthusiasts.

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format), optimized for searchability and printing.

Digital Resolution:

High-resolution scans/digital files ensuring clarity of diagrams, illustrations, and text.

Digital Access:

Downloadable digital file, accessible on multiple devices.

Digital Media:

N/A (Digital Product)

⚙️ Engine Specifications

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)

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 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

Type:

Automatic CVT (Continuously Variable Transmission)

Clutch:

Automatic centrifugal clutch

Gear Ratios:

Continuously variable, governed by clutch and torque driver operation.

Final Drive:

Belt drive and planetary gears

📐 Dimensions

Length:

Approx. 2180 mm

Width:

Approx. 780 mm

Height:

Approx. 1450 mm (seat height variable)

Wheelbase:

Approx. 1540 mm

Dry Weight:

Approx. 191 kg

Wet Weight:

Approx. 207 kg (with fluids)

Max Payload:

Approx. 180 kg (rider + luggage)

Seat Height:

Approx. 780 mm

Under Seat Storage:

Sufficient for one full-face helmet and small items.

🛡️ Safety Features

Crash Test Data:

N/A (Motorcycle specific crash testing not typically rated like cars)

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.

Chassis Design:

Steel underbone frame for rigidity and rider protection.

💡 Technology Features

Dashboard:

Digital-analog instrument cluster with LCD screen for odometer, trip meter, fuel level, coolant temperature, and warning lights.

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 Features:

Limited in this era; primarily focused on vehicle operation rather than rider connectivity.

🔧 Maintenance

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.

Engine Oil Type:

SAE 5W-40 Synthetic, API SG/SH/SJ/SL/SM, ACEA A3/B4 or JASO MA/MA2 approved.

Engine Oil Capacity:

Approx. 1.2 Liters (with filter change).

Coolant Type:

Ethylene glycol based, 50% mixture with distilled water.

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Common Concerns:

While generally reliable, potential issues can include CVT belt wear over time, occasional electrical gremlins, and normal wear items like brakes and tires. The manual will guide on diagnosis and repair.

📚 Vehicle History

Manufacturer:

Aprilia is an Italian manufacturer with a strong racing heritage, known for performance motorcycles and scooters.

Lineage:

The SR Max line represents Aprilia's foray into the maxi-scooter segment, combining scooter practicality with sporty Aprilia DNA.

Manufacturing Origin:

Typically manufactured in Italy or through partnerships within the Piaggio Group.

🏆 Awards & Recognition

Industry Awards:

While specific awards are not widely publicized for individual scooter models, the SR Max 300 is recognized for its blend of performance and practicality within the maxi-scooter segment, often praised for its Aprilia heritage.