🏷️ Basic Information

Make:

Aprilia

Model:

Atlantic Sprint

Year:

2005

Sub Model:

125

Engine Code:

Piaggio LEA 100cc (likely, based on common Aprilia 125cc platforms of the era, exact Aprilia code may vary but often based on Piaggio/Rotax origin)

Chassis Code:

AP06

👋 Introduction

Market Position:

The Aprilia Atlantic Sprint 125 (2005) positioned itself as a stylish and capable urban maxi-scooter, blending comfortable touring capabilities with sporty Aprilia heritage, targeting commuters and recreational riders seeking a premium 125cc experience.

Competitive Analysis:

Competed against other 125cc maxi-scooters from brands like Piaggio (X9 Evolution 125), Yamaha (X-MAX 125), and Honda (SH125i), differentiating itself with its distinctive Italian design and performance-oriented chassis.

Key Features:

Spacious under-seat storage, comfortable seating for rider and passenger, aerodynamic fairing, advanced suspension for its class, and the characteristic Aprilia handling.

Manual Value Proposition:

This factory service manual provides the most authoritative and accurate information for maintaining and repairing the Aprilia Atlantic Sprint 125 2005, enabling owners and technicians to perform tasks correctly, efficiently, and safely, thereby preserving the vehicle's performance and longevity.

📋 Manual Details

Systems Covered:

Engine mechanical, Engine electrical, Fuel System, Ignition System, Cooling System, Exhaust System, Transmission (CVT), Chassis, Suspension (Front/Rear), Brakes (Front/Rear), Electrical System (Wiring Diagrams), Bodywork, Frame, Wheels, Tires, Tools, Diagnostic Procedures, Troubleshooting

Page Count:

Approximately 300-400 pages (typical for comprehensive factory service manuals)

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly and reassembly of engine components, piston, cylinder, crankshaft, connecting rod, valve train, camshaft, oil pump, and internal lubrication system.

Engine Electrical:

Starter motor, alternator/stator, CDI ignition unit, spark plug, battery, wiring harness routing and troubleshooting.

Fuel System:

Carburetor (likely a Keihin or Mikuni), fuel pump (if applicable), fuel lines, fuel filter, fuel tank servicing.

Cooling System:

Radiator, fan, coolant hoses, thermostat, coolant specifications, bleeding procedures.

Transmission Cvt:

Continuously Variable Transmission (CVT) maintenance, variator, clutch, drive belt inspection and replacement, torque converter operation.

Suspension Front:

Front fork disassembly, servicing, oil levels, seal replacement, spring specifications.

Suspension Rear:

Rear shock absorber inspection and replacement, linkage lubrication (if applicable).

Brakes Front:

Brake caliper overhaul, pad replacement, disc inspection, brake fluid specifications and bleeding procedures.

Brakes Rear:

Brake caliper overhaul, pad replacement, disc inspection, brake fluid specifications and bleeding procedures.

Electrical System:

Complete wiring diagrams, fuse box layout, lighting system, instrument panel, horn, starter solenoid, battery charging system.

Bodywork Chassis:

Fairing removal and installation, seat, storage compartment, frame inspection and repair.

Maintenance:

Scheduled maintenance intervals, oil changes, filter replacements, spark plug checks, brake fluid flushes, coolant replacement, drive belt inspection.

Troubleshooting:

Systematic diagnostic flowcharts for common and uncommon issues, symptom-based problem solving.

Repair:

Step-by-step instructions for component disassembly, repair, and reassembly for all major systems.

Installation Removal:

Detailed procedures for removing and installing all major components and sub-assemblies.

Diagnostics:

Procedures for checking ignition timing, compression testing, electrical circuit testing, and fuel system pressure (if applicable).

Technical Depth:

Comprehensive, covering basic maintenance to full engine and transmission rebuilds, including electrical system diagnostics and chassis component servicing.

📊 Manual Specifications

File Format:

PDF (Portable Document Format)

Searchable Text:

Yes (optimally, for ease of navigation)

Printable:

Yes (designed for printing individual sections or the entire manual)

Print Quality:

High-resolution images and clear text for accurate reproduction on standard printers.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Four-stroke, single-cylinder, liquid-cooled (typical for Aprilia 125cc models of this era, though air-cooled variants existed for some markets)

Displacement:

124.0 cc (approximate, based on typical 125cc classifications)

Bore X Stroke:

Data not explicitly provided, but typical for the class would be around 52 mm x 58.6 mm (speculative, requires manual confirmation)

Compression Ratio:

Data not explicitly provided, but typically around 10.5:1 to 11.5:1 for modern four-stroke engines (speculative, requires manual confirmation)

Valve Train:

SOHC, 4 valves (typical for Aprilia 125cc engines for improved performance)

Horsepower:

Approximately 15 hp (11 kW) @ 9,000 rpm (typical for A1 license compliant 125cc engines in Europe, may vary by market regulations)

Torque:

Approximately 11 Nm @ 7,000 rpm (typical, requires manual confirmation)

Fuel Delivery:

Carburetor (likely Keihin CVK or Mikuni BS series, specific model depends on market)

Carburetor Size:

Typically 26mm or 30mm for this displacement class (speculative, requires manual confirmation)

Fuel Type:

Unleaded gasoline, minimum 95 RON

Oil Type:

SAE 10W-40 API SG or higher (common specification, requires manual confirmation)

Oil Capacity:

Approximately 1.0 - 1.2 liters (with filter change, typical for scooters of this size, requires manual confirmation)

🔧 Transmission

Transmission Type:

Automatic, Continuously Variable Transmission (CVT)

Optional Transmission:

N/A (CVT is standard)

Drive Belt:

V-belt drive with automatic centrifugal clutch

Final Drive:

Gear drive

Transmission Oil Type:

Specific gear oil for final drive (e.g., SAE 80 API GL-4, requires manual confirmation)

Transmission Oil Capacity:

Approximately 0.15 - 0.20 liters (final drive, requires manual confirmation)

📐 Dimensions

Length:

Approximately 2000 mm (typical for maxi-scooters of this class, requires manual confirmation)

Width:

Approximately 750 mm (typical, requires manual confirmation)

Height:

Approximately 1400 mm (including windscreen, typical, requires manual confirmation)

Wheelbase:

Approximately 1400-1450 mm (typical for stability, requires manual confirmation)

Dry Weight:

Approximately 140-150 kg (typical for maxi-scooters, requires manual confirmation)

Gross Vehicle Weight Rating:

Data not explicitly provided, but typically around 300-320 kg (GVWR, requires manual confirmation)

Fuel Tank Capacity:

Approximately 9.0 - 10.0 liters (common for touring range, requires manual confirmation)

Underseat Storage:

Sufficient for one full-face helmet plus smaller items (typical for this class, requires manual confirmation)

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycles and scooters are typically not rated by agencies like NHTSA or Euro NCAP in the same manner as cars; compliance with relevant safety standards is implied.)

Brakes:

Front: Hydraulic disc brake; Rear: Hydraulic disc brake. Anti-lock Braking System (ABS) may have been an optional feature for certain markets or trims, but not standard on all 2005 125cc models (requires manual confirmation).

Lighting:

Halogen headlight, LED taillight/brake light (typical for the era).

Frame Construction:

High-strength steel frame for rigidity and stability.

Tires:

Tubeless tires, front and rear, designed for stability and grip (specific sizes in manual).

💡 Technology Features

Infotainment System:

Basic dashboard instrumentation including speedometer, odometer, fuel gauge, coolant temperature warning light, and indicator lights. No complex infotainment systems typical of modern vehicles.

Driver Assistance Features:

ABS was an optional feature for some markets and not standard. No other advanced driver assistance systems are present.

Connectivity:

N/A (No Bluetooth, smartphone integration, or similar connectivity features).

Headlight Type:

Halogen bulb

Taillight Brake Light Type:

LED (common for improved visibility and longevity)

🔧 Maintenance

Engine Oil Change:

Every 3,000 - 5,000 km or annually (typical for 4-stroke scooters, exact interval in manual)

Air Filter Cleaning Replacement:

Every 5,000 - 7,500 km or as needed based on operating conditions (exact interval in manual)

Spark Plug Check Replacement:

Every 5,000 - 7,500 km (exact type and gap in manual)

Drive Belt Inspection Replacement:

Inspect every 5,000 km, replace typically every 10,000 - 20,000 km (depends on wear, exact interval in manual)

Brake Fluid Flush:

Every 2 years or as recommended by manufacturer (DOT 4 recommended, exact in manual)

Coolant Replacement:

Every 2 - 3 years (specific coolant type in manual)

Engine Oil:

SAE 10W-40, API SG or higher (requires manual confirmation for precise spec)

Brake Fluid:

DOT 4 (requires manual confirmation for precise spec)

Coolant:

Ethylene glycol based coolant, 50/50 mix with distilled water (requires manual confirmation for precise spec and type)

Known Issues:

Common issues across similar Aprilia 125cc models of this era can include stator failures, voltage regulator issues, wear on CVT components (belt, rollers), and occasional carburetor jetting problems. The manual provides troubleshooting for these and more.

📚 Vehicle History

Brand Heritage:

Aprilia, an Italian manufacturer, has a rich history in motorcycle racing and performance, known for its innovative engineering and sporty designs, which are reflected in its scooter offerings.

Model Evolution:

The Atlantic range evolved from earlier Aprilia scooter designs, with the Sprint model emphasizing a more comfortable and touring-oriented experience compared to sportier Aprilia models, while retaining Italian styling cues.

Production Period:

The Atlantic Sprint 125 was produced for several years, with the 2005 model representing a mid-cycle iteration of this generation of the scooter.

Manufacturing Location:

Typically manufactured in Italy by Aprilia.

🏆 Awards & Recognition

Recognitions:

Specific awards for the 2005 Atlantic Sprint 125 are not widely documented in the same way as major automotive awards. However, Aprilia scooters are generally recognized for their Italian design, handling, and build quality within their segment.