Vehicle Segment:
Mid-size scooter, targeting urban commuting and light touring
Key Competitors:
Piaggio Beverly 125, Yamaha X-MAX 125 (later models), Kymco Dink 125
Design:
Sporty maxi-scooter styling with comfortable seating and ample storage
Engine Type:
Four-stroke, liquid-cooled, single-cylinder
Transmission Type:
Automatic CVT (Continuously Variable Transmission)
Purpose:
To provide detailed technical guidance for repair, maintenance, and troubleshooting of the Aprilia Atlantic 125 (2002) model.
Engine:
Disassembly, assembly, inspection, repair, tuning of the 125cc engine
Fuel System:
Carburetor (likely Mikuni or Keihin) inspection, cleaning, adjustment, fuel pump and lines
Ignition System:
CDI unit, spark plug, ignition coil, wiring diagram
Cooling System:
Liquid cooling system maintenance, radiator, thermostat, coolant specifications
Transmission:
Automatic transmission (CVT) maintenance, belt inspection, roller weights, clutch assembly
Brakes:
Hydraulic front and rear brake systems, caliper overhaul, fluid replacement, bleeding procedures, pad replacement
Suspension:
Front telescopic forks (oil change, seal replacement), rear monoshock absorber (pre-load adjustment, inspection)
Electrical System:
Wiring diagrams, battery maintenance, lighting, starter system, charging system (stator, rectifier/regulator)
Chassis And Bodywork:
Frame inspection, body panel removal and installation, seat, storage compartment
Wheels And Tires:
Wheel bearing maintenance, tire pressure specifications, tire replacement
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug checks, brake fluid changes, coolant flushes
Troubleshooting:
Diagnosis of common problems with detailed symptom-based guides
Repair:
Step-by-step instructions for component repair and replacement
Disassembly Assembly:
Detailed instructions for complete component disassembly and reassembly
Installation:
Procedures for installing various parts and accessories
Depth:
Comprehensive, covering from basic checks to complex engine overhauls and electrical diagnostics
Bore X Stroke:
57 mm x 48.6 mm
Compression Ratio:
11.2:1 (approximate, may vary)
Valve Train:
SOHC, 4 valves
Horsepower:
Approx. 15 HP (11 kW) @ 9,250 rpm (manufacturer data may vary slightly)
Torque:
Approx. 11.7 Nm (8.6 lb-ft) @ 7,500 rpm (manufacturer data may vary slightly)
Carburetor Model:
Likely Mikuni VM26 or similar, with electronic enrichment
Fuel Type:
Unleaded gasoline, minimum 95 RON
Oil Type Recommendation:
SAE 10W-40 API SG or higher, JASO MA certified
Oil Capacity:
Approx. 1.1 liters (without filter change), 1.2 liters (with filter change)
Type:
Automatic CVT with dry centrifugal clutch
Gear Reduction:
Reduction gear ratios typically between 2.5-3.0:1
Cv Belt Inspection:
Recommended every 6,000 - 10,000 km for wear and damage
Roller Weight Spec:
Specific roller weights for CVT variator will be detailed in the manual for performance tuning.
Crash Test Data:
N/A (Motorcycle/Scooter safety ratings differ from automobiles)
Brakes:
Front: Hydraulic disc; Rear: Hydraulic disc
Lighting:
Halogen headlight, LED tail light, turn signals
Frame Construction:
High-strength steel frame for stability and rider protection
Passenger Grab Handles:
Integrated for passenger security
Dashboard:
Analog speedometer, tachometer, fuel gauge, coolant temperature warning light, basic indicator lights
ABS:
Not typically equipped on this base model
Connectivity Features:
N/A (No modern connectivity features)
Engine Oil Change:
Every 4,000 km or 6 months, whichever comes first
Air Filter Cleaning Or Replacement:
Every 4,000 km
Spark Plug Inspection:
Every 4,000 km, replacement as needed
Brake Fluid Change:
Every 2 years or 24,000 km
Coolant Change:
Every 2 years or 24,000 km
Cv Belt Inspection:
Every 6,000 km
Engine Oil Grade:
SAE 10W-40, API SG, JASO MA
Coolant Type:
Ethylene glycol-based coolant with anti-corrosion additives (e.g., Motul MoCool or equivalent)
Brake Fluid Type:
DOT 4 Hydraulic Brake Fluid
Common Wear Items:
CV belt, brake pads, spark plug, tires, suspension seals
Potential Electrical Faults:
Wiring harness integrity, rectifier/regulator performance
Engine Performance Variations:
Carburetor tuning sensitivity, potential for carbon buildup in exhaust ports
Manufacturer:
Aprilia is an Italian manufacturer of motorcycles and scooters, known for its performance and racing heritage.
Atlantic Series:
The Atlantic series was Aprilia's offering in the maxi-scooter segment, emphasizing comfort and practicality with a sporty edge. The 125cc model was a popular choice for younger riders or those seeking economical urban mobility.
Production Era:
The Atlantic 125 was produced in various iterations from the late 1990s through the mid-2000s.
