Vehicle Segment:
Sporty scooter, popular in urban environments and for leisure riding.
Target Audience:
Enthusiasts, owners seeking to perform their own maintenance and repairs, workshop technicians.
Competitors:
Similar 50cc and 100cc scooters from brands like Piaggio (Zip, Liberty), Yamaha (Aerox, Jog), Honda (Dio, Lead), Kymco, and SYM.
Vehicle Appeal:
Sporty styling, agile handling, reliable Aprilia engineering, suitable for both novice and experienced riders.
Manual Value Proposition:
Provides the in-depth technical knowledge required to maintain and repair the Quasar series, enhancing longevity and performance, and potentially reducing repair costs.
Engine Mechanical:
Full overhaul, repair, and rebuilding of the engine (internal components, cylinder head, piston, crankshaft, etc.)
Fuel System:
Carburetor (or fuel injection if applicable to variant), fuel pump, fuel lines, fuel tank servicing and repair
Ignition System:
Spark plugs, ignition coils, CDI unit, wiring diagrams
Cooling System:
Radiator, fan, hoses, thermostat, coolant specifications and flushing procedures
Exhaust System:
Muffler, exhaust pipes, catalytic converter (if equipped) inspection and replacement
Transmission Drivetrain:
Automatic transmission (CVT), clutch operation, belt replacement, variator servicing, gearbox maintenance
Brakes:
Front and rear brake systems, hydraulic lines, brake fluid specifications, caliper servicing, pad replacement, bleeding procedures
Suspension:
Front forks, rear shock absorber, swingarm, bush and bearing inspection and replacement
Steering:
Handlebars, steering column, bearings, lubrication and adjustment
Electrical System:
Battery, starter motor, alternator, lighting system (headlight, taillight, indicators), horn, wiring harnesses, fuses, diagnostic procedures
Bodywork Frame:
Body panels, fairings, seat, storage compartments, frame inspection and repair
Wheels Tires:
Wheel bearings, tire pressure, tire replacement, wheel balancing
Preventative Maintenance:
Regular servicing, oil changes, filter replacements, lubrication points, bolt torque checks
Troubleshooting:
Diagnostic charts, common problems and their solutions, electrical troubleshooting guides
Repair Rebuild:
Step-by-step instructions for component disassembly, repair, reassembly, and adjustment
Restoration:
Guidance for bringing a vehicle back to original specifications or improving its condition
Electrical Diagnostics:
Detailed wiring diagrams, testing procedures for electrical components and circuits
Depth:
Comprehensive, covering all aspects from routine maintenance to full engine and transmission overhauls
Detail Level:
Highly detailed with specific torque values, clearances, and diagnostic parameters
Engine Type:
Four-stroke, air-cooled single-cylinder (specific displacement varies between 50cc and 100cc variants).
Engine Displacement:
Approximately 49cc for 50cc model; approximately 96cc for 100cc model (exact figures to be confirmed within the manual).
Bore X Stroke:
Specific values will be detailed in the manual, typical for this class of engine.
Horsepower Output:
Typically around 3-5 HP for 50cc and 5-7 HP for 100cc models (subject to regional regulations and specific tuning).
Torque Output:
Torque figures will be provided in the manual, optimized for urban acceleration.
Carburetor Type:
Likely a Keihin or Mikuni (or similar) downdraft carburetor, specific model and jetting detailed in the manual.
Fuel Type:
Unleaded gasoline, Octane rating specified in manual (typically 95 RON).
Fuel Tank Capacity:
Capacity around 7-8 liters (to be confirmed in manual).
Engine Oil Type:
Specific SAE viscosity grade (e.g., SAE 10W-40 or 20W-50) and API service classification (e.g., API SG or higher) for 4-stroke engines.
Engine Oil Capacity:
Capacity approximately 0.8 - 1.0 liters (to be confirmed in manual).
Length:
Approximate length around 1850-1900 mm (exact figures in manual).
Width:
Approximate width around 700-750 mm (exact figures in manual).
Height:
Approximate height around 1200-1250 mm (exact figures in manual).
Dry Weight:
Approximately 90-100 kg (depending on variant, exact figures in manual).
Gross Vehicle Weight Rating:
GVWR will be specified in the manual, accounting for rider and cargo.
Front Tire Size:
Typical size 110/70-13 or similar (specifics in manual).
Rear Tire Size:
Typical size 120/70-13 or similar (specifics in manual).
Wheel Bolt Pattern:
Not applicable for standard scooter wheel mounting; hub mounting details will be in manual.
Engine Oil Change:
Recommended every 3,000 - 5,000 km or annually, whichever comes first (specific interval in manual).
Air Filter Cleaning Replacement:
Inspect every 3,000 km, clean/replace as needed. Specific interval in manual.
Spark Plug Replacement:
Recommended every 6,000 - 10,000 km or as per wear indication (specific interval in manual).
Brake Fluid Flush:
Recommended every 2 years or as per manual specification.
Belt Variator Replacement:
Typical replacement interval around 15,000 - 20,000 km, but inspection is key. Specific interval in manual.
Engine Oil Grade:
e.g., SAE 10W-40 API SG or higher, full synthetic recommended for optimal performance.
Brake Fluid Type:
DOT 4 brake fluid.
Coolant Type:
Specific Aprilia-approved coolant or equivalent (e.g., ethylene glycol based, typically with corrosion inhibitors).
Common Wear Items:
Drive belt, variator rollers, brake pads, suspension bushings, and exhaust system seals are common wear items.
Electrical Reliability:
Occasional issues with wiring connections or charging system components can arise with age, detailed troubleshooting in manual.