Vehicle Segment:
        
        
            Maxi-scooter
        
     
    
        
            Target Audience:
        
        
            Commuters, touring riders seeking comfort and practicality
        
     
    
    
        
            Key Competitors 1998:
        
        
            Yamaha X-MAX 125/250, Honda Pantheon 125/150, Piaggio X9 125/200
        
     
    
    
        
            Design Philosophy:
        
        
            Sporty styling with practical maxi-scooter ergonomics
        
     
    
        
            Performance Focus:
        
        
            Balanced performance for urban and light touring use
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine, Fuel System, Exhaust System, Transmission, Clutch
        
     
    
        
            Chassis:
        
        
            Frame, Suspension (Front & Rear), Steering, Wheels, Tires
        
     
    
        
            Electrical:
        
        
            Ignition System, Lighting System, Battery, Charging System, Starting System, Instrumentation, Wiring Diagrams
        
     
    
        
            Braking:
        
        
            Front & Rear Brakes (Hydraulic Disc), Brake Lines, Master Cylinders, Calipers
        
     
    
        
            Body And Trim:
        
        
            Fairings, Body Panels, Seating, Luggage Compartment
        
     
    
    
        
            Maintenance:
        
        
            Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Service, Chain/Belt Adjustment
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic Procedures for Common Issues, Fault Finding Charts
        
     
    
        
            Repair:
        
        
            Engine Rebuild, Transmission Overhaul, Suspension Repair, Brake System Bleeding & Repair, Electrical Component Replacement
        
     
    
        
            Disassembly And Assembly:
        
        
            Step-by-step instructions for major component removal and installation
        
     
    
        
            Lubrication:
        
        
            Detailed lubrication points and schedules for engine and chassis components.
        
     
    
        
            Inspection:
        
        
            Visual inspections of critical components, fluid levels, tire pressure, and brake wear.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive; suitable for professional technicians and advanced DIY mechanics
        
     
    
        
            Diagnostic Capabilities:
        
        
            Detailed diagnostic procedures and specifications for all major systems
        
     
 
    
    
    
        
            Engine Type 125:
        
        
            4-stroke, single-cylinder, liquid-cooled
        
     
    
        
            Engine Type 200:
        
        
            4-stroke, single-cylinder, liquid-cooled
        
     
    
        
            Bore X Stroke 125:
        
        
            52.0 mm x 58.6 mm (approximate)
        
     
    
        
            Bore X Stroke 200:
        
        
            64.0 mm x 61.0 mm (approximate)
        
     
    
        
            Compression Ratio 125:
        
        
            10.2:1 (approximate)
        
     
    
        
            Compression Ratio 200:
        
        
            10.5:1 (approximate)
        
     
    
    
        
            Horsepower 125:
        
        
            14.0 HP @ 8,500 rpm (approximate)
        
     
    
        
            Horsepower 200:
        
        
            18.0 HP @ 8,000 rpm (approximate)
        
     
    
        
            Torque 125:
        
        
            12.0 Nm @ 7,000 rpm (approximate)
        
     
    
        
            Torque 200:
        
        
            16.0 Nm @ 6,500 rpm (approximate)
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (likely Keihin or Mikuni)
        
     
    
        
            Carburetor Type 125:
        
        
            Dell'Orto PHBH 28 (typical for this displacement)
        
     
    
        
            Carburetor Type 200:
        
        
            Dell'Orto PHBH 30 or PHBH 32 (typical for this displacement)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 10W-40 API SG or higher (verify with manual)
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 1.0 - 1.2 Liters (verify with manual)
        
     
    
        
            Coolant Type:
        
        
            Ethylene Glycol based coolant (50/50 mix with distilled water, verify with manual)
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 2,050 mm (verify with manual)
        
     
    
        
            Width:
        
        
            Approx. 780 mm (verify with manual)
        
     
    
        
            Height:
        
        
            Approx. 1,380 mm (verify with manual)
        
     
    
        
            Wheelbase:
        
        
            Approx. 1,440 mm (verify with manual)
        
     
    
    
        
            Dry Weight 125:
        
        
            Approx. 155 kg (verify with manual)
        
     
    
        
            Dry Weight 200:
        
        
            Approx. 160 kg (verify with manual)
        
     
    
        
            Fuel Tank Capacity:
        
        
            Approx. 12.0 Liters (verify with manual)
        
     
 
    
    
    
        
            Safety Ratings:
        
        
            N/A (Motorcycle specific safety ratings vary by region and are not directly comparable to automotive standards)
        
     
    
    
        
            Braking System:
        
        
            Dual Hydraulic Disc Brakes (Front & Rear)
        
     
    
    
    
        
            Lighting:
        
        
            Integrated Turn Signals, Tail Light, Brake Light
        
     
 
    
    
    
        
            Instrument Cluster:
        
        
            Analog speedometer and tachometer, fuel gauge, coolant temperature gauge, odometer, trip meter.
        
     
    
    
        
            ABS:
        
        
            ABS was not a standard or widely available option for the 1998 model. (Verify specific trim)
        
     
    
    
        
            Connectivity Features:
        
        
            N/A (No electronic connectivity features expected for this era)
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 km or 6 months (typical, verify with manual)
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 10,000 km (typical, verify with manual)
        
     
    
        
            Air Filter Cleaning/Replacement:
        
        
            Every 5,000 km (typical, verify with manual)
        
     
    
        
            Cv Belt Inspection/Replacement:
        
        
            Inspect every 10,000 km, replace as needed (typical, verify with manual)
        
     
    
    
        
            Common Wear Items:
        
        
            CVT belt wear, brake pad wear, tire wear, suspension bushing wear.
        
     
    
        
            Potential Electrical Gremlins:
        
        
            As with many scooters of this era, electrical connections and grounds should be inspected periodically for corrosion.
        
     
    
        
            Carburetor Tuning:
        
        
            May require periodic cleaning and adjustment due to fuel quality variations.
        
     
 
    
    
    
        
            Aprilia Legacy:
        
        
            Italian manufacturer with a strong heritage in performance motorcycles and scooters.
        
     
    
    
        
            Atlantic Series Introduction:
        
        
            The Atlantic series was Aprilia's foray into the larger-displacement scooter market, emphasizing sporty handling and modern styling.
        
     
    
    
        
            Manufacturing Origin:
        
        
            Italy
        
     
    
        
            Production Period:
        
        
            Introduced in the late 1990s, with updates and variations through the early 2000s.