Segment:
Premium mid-size scooter, positioned for urban commuting and light touring
Competitors:
Honda Pantheon 125, Gilera Nexus 125, Piaggio X9 125, Yamaha X-MAX 125 (later models)
Design Philosophy:
Sporty styling combined with practicality and Italian flair
Engine Architecture:
Robust and reliable single-cylinder, liquid-cooled engine known for good performance in its class
Handling:
Sport-oriented chassis and suspension providing confident handling
Comfort:
Comfortable riding position and seat for longer journeys
Engine:
Complete engine overhaul, top-end, bottom-end, cooling system, lubrication system
Fuel System:
Carburetor (likely Mikuni or Keihin) tuning, cleaning, and overhaul; fuel pump, fuel lines, fuel filter replacement
Ignition System:
CDI unit, spark plug specifications, coil testing, timing adjustments
Transmission:
Automatic transmission (CVT - Continuously Variable Transmission) service, belt replacement, roller weights, clutch assembly
Electrical System:
Wiring diagrams, battery, charging system (alternator/stator, regulator/rectifier), starter motor, lighting, indicators, horn, fuses
Braking System:
Hydraulic disc brakes (front and rear), brake fluid specifications, caliper overhaul, pad replacement, line bleeding
Suspension:
Front telescopic forks (service, seal replacement, oil levels), rear shock absorber unit (adjustment, replacement)
Frame And Bodywork:
Chassis inspection, body panel removal/installation, seat assembly, storage compartment
Cooling System:
Liquid cooling system, radiator, fan, thermostat, coolant type and capacity
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug checks, tire pressure, chain adjustment (if applicable, though likely belt-driven)
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon faults, fault codes (if applicable)
Repair:
Detailed instructions for component repair, assembly, and disassembly
Engine Rebuild:
Complete engine disassembly, inspection, component replacement (pistons, rings, valves), reassembly, and break-in procedures
Electrical Diagnostics:
Testing circuits, component testing (e.g., stator output, regulator function), wiring harness troubleshooting
Depth:
Comprehensive, suitable for professional technicians and experienced DIY mechanics
Diagnostic Level:
Advanced diagnostics, including electrical system analysis and component testing
Rebuild Level:
Full rebuild procedures for major components
Engine Designation:
Aprilia Atlantic 125 (Likely uses a Rotax engine variant)
Bore X Stroke:
57 mm x 48.6 mm (Typical for this class/engine)
Compression Ratio:
10.5:1 (Typical)
Cooling System:
Liquid-cooled
Horsepower:
Approx. 15 HP (11 kW) @ 9000 RPM (Estimated, specific figures vary)
Torque:
Approx. 12 Nm @ 7000 RPM (Estimated, specific figures vary)
Carburetor Type:
CVK (Constant Velocity Carburetor) type, e.g., Keihin or Mikuni, 28mm (typical)
Fuel Delivery:
Gravity feed with electric fuel pump for carburetor priming
Fuel Type:
Unleaded gasoline (RON 95 or higher recommended)
Engine Oil Type:
SAE 10W-40 API SG or JASO MA
Engine Oil Capacity:
Approx. 1.2 Liters (Check manual for exact specification)
Coolant Type:
Ethylene Glycol based, anti-freeze/anti-boil mixture (50/50)
Length:
Approx. 2000 mm (Estimated)
Width:
Approx. 760 mm (Estimated)
Height:
Approx. 1350 mm (Estimated)
Dry Weight:
Approx. 150 kg (Estimated)
Gross Vehicle Weight Rating:
Approx. 300 kg (Estimated)
Underseat Storage:
Sufficient for one full-face helmet and small items
Front Tire Size:
120/70-14 (Typical)
Rear Tire Size:
140/70-14 (Typical)
Wheelbase:
Approx. 1440 mm (Estimated)
Crash Test Data:
N/A (Motorcycle/Scooter safety ratings are typically not applicable in the same way as cars)
Braking:
Disc brakes front and rear, linked braking system (possible)
Lighting:
Halogen headlight, LED taillight (likely)
Chassis Design:
Steel tube frame for rigidity and stability
Handlebar Design:
Ergonomic handlebar for control and comfort
Oil Change Interval:
Every 3,000 km or 6 months (typical, refer to manual for precise interval)
Air Filter Check:
Every 3,000 km
Spark Plug Replacement:
Every 6,000 km (typical, use specified plug type)
Cvt Belt Inspection:
Every 6,000 km, replace as needed
Valve Clearance Check:
Every 12,000 km or annually
Coolant Capacity:
Approx. 1.0 Liters (check manual)
Common Problems:
CVT belt wear, regulator/rectifier failure, starter solenoid issues, carburetor gumming if not used regularly.
Preventative Maintenance:
Regular use or fuel stabilizer during storage, consistent oil changes, and cleaning the air filter are crucial.
Manufacturer:
Aprilia is an Italian manufacturer known for its performance-oriented motorcycles and scooters.
Company Focus:
Racing heritage and innovative engineering.
Atlantic Lineage:
The Atlantic series represented Aprilia's foray into the maxi-scooter market, offering comfort and performance.
Engine Platform:
The 125cc variant often utilized the proven and reliable Rotax engine, shared within the Piaggio Group.
Manufacturing Location:
Italy (Likely Noale, Venice)
Production Period:
The Atlantic 125 was produced in various iterations from the late 1990s into the 2000s.