🏷️ Basic Information

Make:

Aprilia

Model:

Atlantic 125 / 200

Year:

2004

Vehicle Type:

Scooter

Engine Code 125:

LEADER M208M

Engine Code 200:

LEADER M320M

👋 Introduction

Segment:

Mid-size maxi-scooter

Target Audience:

Commuters, urban riders seeking comfort and practicality.

Key Competitors:

Yamaha X-MAX, Suzuki Burgman, Honda SH series (depending on market).

Design:

Comfortable seating, ample under-seat storage, aerodynamic fairing for rider protection.

Engine Performance:

Offers a balance of urban maneuverability and highway capability.

Handling:

Designed for stable and comfortable riding characteristics.

📋 Manual Details

Manual Coverage:

Comprehensive service and repair instructions

Page Count:

Estimated 300-400 pages (typical for this type of manual)

Manual Type:

Workshop Manual / Service Manual / Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, inspection, maintenance, repair of all internal and external components.

Fuel System:

Carburetor (or fuel injection for specific markets), fuel pump, fuel lines, fuel filter, fuel tank.

Ignition System:

CDI unit, ignition coil, spark plug, wiring.

Cooling System:

Radiator, coolant hoses, thermostat, water pump, fan.

Exhaust System:

Exhaust pipes, muffler, catalytic converter (if applicable).

Transmission Drivetrain:

CVT (Continuously Variable Transmission) assembly, drive belt, pulleys, clutch, gearbox (if applicable).

Brakes:

Hydraulic brake system, front and rear brake calipers, master cylinders, brake lines, brake pads, brake discs, parking brake.

Suspension:

Front fork assembly, rear shock absorber(s), swingarm, linkage (if applicable).

Steering:

Handlebar, steering stem, headstock bearings.

Electrical System:

Battery, starter motor, alternator/stator, lighting system (headlight, taillight, turn signals), horn, wiring diagrams, fuses, relays.

Chassis Frame:

Frame inspection, mounting points, removal and installation of major chassis components.

Bodywork Trim:

Fairings, seat, floorboards, storage compartments, plastics, graphics.

Scheduled Maintenance:

Oil changes, filter replacements, spark plug checks/replacement, air filter cleaning/replacement, brake fluid checks/replacement, coolant checks/replacement, drive belt inspection/replacement.

Troubleshooting:

Diagnostic procedures for common problems, fault finding guides, symptom-based solutions.

Engine Repair:

Piston and cylinder inspection/replacement, valve clearance adjustment, crankshaft and connecting rod checks, head gasket replacement.

Transmission Repair:

CVT component inspection, drive belt tensioning and replacement, clutch adjustment.

Brake Service:

Brake pad replacement, caliper servicing, master cylinder bleeding, brake fluid flush.

Suspension Service:

Front fork oil change and seal replacement, rear shock absorber inspection and replacement.

Electrical Diagnostics:

Wiring harness inspection, component testing (starter, stator, etc.), troubleshooting electrical faults using wiring diagrams.

Bodywork Removal Installation:

Step-by-step instructions for removing and reinstalling fairings, panels, and trim.

Depth:

Detailed technical procedures suitable for professional mechanics and experienced DIY enthusiasts.

Torque Specifications:

Includes torque values for all critical fasteners.

Clearances Tolerances:

Specifications for valve clearances, piston ring gaps, bearing clearances, etc.

Wiring Diagrams:

Comprehensive electrical system wiring diagrams.

📊 Manual Specifications

File Format:

PDF

Searchability:

Likely text-searchable (if professionally produced/scanned).

Print Quality:

Designed for clear printing of text and diagrams.

Binding Type:

N/A (Digital PDF Download)

Paper Type:

N/A (Digital PDF Download)

⚙️ Engine Specifications

Engine Type 125:

4-stroke, liquid-cooled, SOHC, 4-valve

Engine Type 200:

4-stroke, liquid-cooled, SOHC, 4-valve

Displacement 125:

124.9 cc

Displacement 200:

198 cc

Bore X Stroke 125:

57 mm x 48.6 mm (approximate)

Bore X Stroke 200:

69 mm x 53.2 mm (approximate)

Compression Ratio:

12.5:1 (typical for LEADER engines)

Horsepower 125:

Approx. 15 HP @ 8,250 RPM

Horsepower 200:

Approx. 21 HP @ 8,250 RPM

Torque 125:

Approx. 12.3 Nm @ 7,000 RPM

Torque 200:

Approx. 18.2 Nm @ 6,500 RPM

Fuel Delivery 125:

Carburetor (likely a 30mm Mikuni or similar)

Fuel Delivery 200:

Carburetor (likely a 32mm or 34mm Keihin/Mikuni or similar)

Fuel Type:

Unleaded gasoline (RON 95 or higher)

Fuel Tank Capacity:

Approx. 9.5 Liters

🔧 Transmission

Transmission Type:

Automatic CVT (Continuously Variable Transmission)

Clutch Type:

Automatic centrifugal dry clutch

Drive System:

Belt drive to rear wheel

Gear Ratios:

Variable (CVT)

Transmission Fluid Spec:

Specific CVT fluid (refer to manual for exact type and capacity)

📐 Dimensions

Length:

Approx. 2150 mm

Width:

Approx. 780 mm

Height:

Approx. 1400 mm (seat height)

Wheelbase:

Approx. 1550 mm

Dry Weight 125:

Approx. 172 kg

Dry Weight 200:

Approx. 174 kg

Gross Vehicle Weight Rating:

Refer to vehicle VIN plate/manual

Front Tire Size:

110/70-16

Rear Tire Size:

130/70-16

Wheel Type:

Alloy

Wheel Bolt Pattern:

N/A (Scooter specific hub design)

🛡️ Safety Features

Crash Test Ratings:

Not typically rated by standard automotive bodies.

Braking System:

Hydraulic disc brakes front and rear.

Parking Brake:

Integrated parking brake mechanism.

Lighting:

Halogen headlight, LED taillight and turn signals (typical).

💡 Technology Features

Dashboard:

Analog and digital instrumentation (speedometer, tachometer, fuel gauge, clock, coolant temp).

ABS:

ABS was an optional feature on some models/markets, check specific vehicle.

Charging Port:

Likely a 12V auxiliary socket for charging devices.

🔧 Maintenance

Engine Oil Change:

Every 5,000-7,000 km or annually (refer to manual for exact interval and oil type).

Air Filter Maintenance:

Clean every 5,000 km, replace every 10,000-15,000 km (or as needed based on conditions).

Spark Plug Replacement:

Inspect every 10,000 km, replace every 20,000-30,000 km.

Drive Belt Inspection:

Inspect every 10,000 km, replace every 20,000-30,000 km (or based on wear).

Brake Fluid Change:

Every 2 years or 20,000 km.

Coolant Change:

Every 2-3 years or 20,000-30,000 km.

Engine Oil Type:

Synthetic SAE 5W-40 or 10W-40 (API SG/SH/SJ or higher)

Engine Oil Capacity:

Approx. 1.2 - 1.4 Liters (with filter change)

Coolant Type:

Ethylene glycol-based coolant with anti-corrosion additives (e.g., Piaggio/Aprilia brand coolant or equivalent)

Brake Fluid Type:

DOT 4

Common Problems:

Potential for wear on CVT components (belt, rollers) at higher mileage, occasional electrical gremlins if not maintained, carburation adjustments might be needed over time.

📚 Vehicle History

Manufacturer:

Aprilia, an Italian manufacturer with a strong racing pedigree in motorcycles and scooters.

Lineage:

Part of Aprilia's popular Atlantic line of maxi-scooters, known for their blend of performance and comfort.

Production Period:

The Atlantic range was produced in various iterations from the early 2000s onwards.

Manufacturing Location:

Italy (primarily)

🏆 Awards & Recognition

Awards:

While specific awards for the 2004 Atlantic are not widely publicized, Aprilia's scooters generally receive positive reviews for performance and handling in their class.