Scooter Segment:
Sporty 50cc scooter segment, popular in urban environments
Key Competitors:
Aprilia SR50, Piaggio Zip SP, Yamaha Aerox 50, Malaguti F12R
Engine Technology:
Purejet 50cc direct injection 2-stroke engine, offering improved performance and fuel efficiency over carbureted models
Design:
Aggressive, sporty design with advanced features for its class
Model Years Covered:
2003, 2004
Engine Variants Covered:
Purejet 50cc (Fuel Injection)
Estimated Page Count:
Hundreds of pages (specific number not provided, but described as extensive)
Manual Type:
Service Repair Workshop Manual
Language:
English (implied by product description, common for international manuals)
Digital Format:
Downloadable PDF
Engine Service:
Complete overhaul, disassembly, assembly, tuning, and component diagnostics
Fuel System:
Detailed coverage of the Purejet fuel injection system, including components, testing, and calibration
Ignition System:
Spark plug specifications, ignition coil testing, CDI unit diagnostics
Cooling System:
Radiator, water pump, thermostat, coolant type, and bleeding procedures
Exhaust System:
Catalytic converter information, silencer, and header pipe maintenance
Transmission And Drivetrain:
CVT (Continuously Variable Transmission) disassembly, component inspection (variator, clutch, belt), and lubrication
Brakes:
Front and rear brake system service, hydraulic lines, caliper maintenance, pad replacement, and bleeding
Suspension:
Front telescopic forks, rear shock absorber service, and adjustment procedures
Steering:
Handlebar, steering stem, and bearing maintenance
Electrical System:
Wiring diagrams, lighting, battery, starter motor, charging system, and ECU diagnostics
Bodywork And Chassis:
Panel removal, fairing maintenance, seat and storage compartment service
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, brake fluid flushes, and general inspections
Troubleshooting:
Diagnostic procedures for common starting, running, and electrical issues
Repair Procedures:
Step-by-step guides for component replacement and repair across all covered systems
Diagnostic Guides:
Fault code interpretation and systematic diagnostic flowcharts for the Purejet system
Wiring Diagrams:
Comprehensive electrical schematics for accurate troubleshooting
Exploded Diagrams:
Highly detailed visual aids for part identification and assembly sequence
Depth Of Coverage:
Professional-level repair and overhaul, suitable for experienced DIY mechanics and technicians
Engine Type:
2-stroke, liquid-cooled, Piaggio Hi-Per 2 Pro (Purejet)
Displacement:
49.4 cc (3.01 cu in)
Bore X Stroke:
39 mm x 41.4 mm (typical for this engine family)
Horsepower:
Approximately 4.5 - 5.0 HP (stock, subject to variations)
Torque:
Specific torque figures not commonly published for 50cc scooters, but optimized for urban acceleration
Fuel Delivery:
Electronic Fuel Injection (EFI) with digital ignition
Recommended Fuel:
Unleaded Gasoline (Octane rating 95 RON recommended)
Oil System:
Automatic oil injection system (separate reservoir for 2-stroke oil)
Recommended 2T Oil:
High-quality, low-smoke, fully synthetic 2-stroke scooter oil
Crash Test Results:
Not applicable for this vehicle class and era in standard automotive crash testing protocols.
Braking System:
Hydraulic disc brakes front and rear
Lighting:
Halogen headlamp, taillight, brake light, turn signals
Frame Construction:
Steel tube frame
Instrument Cluster:
Analog speedometer, digital odometer, fuel gauge, coolant temperature warning light, and indicator lights.
ABS:
No ABS typically offered on the 50cc model of this era.
Charging Port:
12V auxiliary power outlet (not a USB charging port)
Engine Oil Change:
Every 3,000 km or annually, whichever comes first (refer to manual for precise details on 2-stroke oil level check)
Transmission Belt Inspection:
Check at 6,000 km, replace as needed based on wear
Spark Plug Replacement:
Inspect every 3,000 km, replace at recommended intervals (e.g., 6,000 km or based on condition)
Brake Fluid Flush:
Every 2 years or as per manual recommendations
Engine Oil Type:
Refer to manual for specific Piaggio recommendations, typically a grade suitable for liquid-cooled 2-stroke engines, e.g., SAE 5W-40 for the engine oil (if separate from injection oil)
2 Stroke Oil Type:
Fully synthetic, low-smoke, JASO FD, API TC certified 2-stroke oil
Coolant Type:
Ethylene glycol-based antifreeze coolant, typically a 50/50 mix with distilled water
Common Wear Items:
CVT belt, rollers, brake pads, spark plug, air filter
Purejet Specific Concerns:
Potential for injector clogging or fuel pump issues if fuel quality is poor or maintenance is neglected. Electrical connectors can be susceptible to corrosion in damp conditions.
Gilera Legacy:
Gilera is an Italian brand with a long history in motorcycling, known for performance-oriented scooters and motorcycles.
Runner Series:
The Gilera Runner is a long-standing and popular model, known for its sporty handling and performance, evolving through various engine options and body styles. The Purejet variant introduced direct injection for improved efficiency and emissions.
Manufacturing Location:
Italy (part of the Piaggio Group)