Market Segment:
High-performance 50cc scooter segment, known for sporty handling and styling
Competitors:
Piaggio Zip SP, Aprilia SR50, Yamaha Aerox, MBK Nitro, Malaguti F12
Vehicle Attributes:
Sporty design, agile handling, liquid-cooled engine options, excellent braking performance for its class
Manual Value Proposition:
Empowers owners to perform all necessary maintenance and repairs, significantly reducing dealership costs and extending vehicle lifespan
Coverage Type:
Comprehensive service, repair, maintenance, and rebuilding
Estimated Page Count:
Est. 300-500+ pages (typical for comprehensive workshop manuals)
Manual Type:
Workshop Manual / Service Repair Manual
Engine:
Top-end, bottom-end, lubrication, cooling, fuel delivery, ignition, starting system, exhaust
Transmission:
Automatic (CVT) system, clutch, variator, gearbox components
Chassis:
Frame, suspension (front forks, rear shock), steering, wheels, tires
Brakes:
Front and rear braking systems (hydraulic disc/drum), brake fluid, caliper and master cylinder service
Electrical:
Wiring diagrams, lighting system, battery, charging system, starter motor, electronic control unit (ECU) diagnostics (if applicable)
Bodywork:
Body panels, fairings, seat, storage, lighting, controls, plastics
Maintenance:
Routine checks, oil changes, filter replacement, spark plug replacement, brake pad inspection/replacement, chain adjustment (if applicable), coolant checks
Troubleshooting:
Step-by-step diagnostic guides for common and uncommon problems, fault code interpretation (if applicable)
Repair:
Detailed disassembly and reassembly procedures for all major components, engine rebuild, transmission overhaul, suspension and brake repair
Rebuilding Restoration:
Comprehensive instructions for complete engine and component overhauls, suitable for restoration projects
Technical Depth:
In-depth, professional-level coverage from basic maintenance to complete engine disassembly and rebuilding, including torque specifications and component clearances
File Format:
Adobe PDF (searchable and printable)
Print Quality:
High-resolution, printable diagrams and text for clarity
Binding Type:
Digital Download (no physical binding)
Paper Type:
Not Applicable (digital format)
Engine Type:
Two-stroke, single-cylinder, liquid-cooled (likely Piaggio Hi-Per 2 engine variant)
Displacement:
Approx. 49cc
Bore X Stroke:
Typical: 39.3mm x 40.5mm
Horsepower Peak:
Approx. 5-7 HP (stock, depending on specific variant and tuning)
Fuel Delivery:
Carburetor (e.g., Dell'Orto PHBN 17.5)
Fuel Type:
Unleaded Gasoline (95 RON recommended)
Oil System:
Automatic oil injection (separate oil reservoir)
Cooling System Type:
Liquid-cooled
Safety Ratings:
Not typically rated by official agencies like NHTSA or Euro NCAP (as a scooter)
Braking System:
Hydraulic disc brakes (front and rear, often 220mm front, 190mm rear)
Tires:
Tubeless tires, typically 120/70-13 front, 130/60-13 rear
Lighting:
Halogen headlights, LED taillight (depending on specific sub-model)
Infotainment System:
Basic analog speedometer, odometer, fuel gauge, indicator lights. No advanced infotainment features.
Driver Assistance Features:
None (typical for 50cc scooters of this era).
Connectivity Options:
None.
Engine Oil Change:
Every 3000-5000 km or annually, whichever comes first. (Manual will detail specific procedure).
Gearbox Oil Change:
Every 6000-8000 km. (Manual will specify grade and capacity).
Air Filter Cleaning Replacement:
Every 2000-3000 km. (Manual will specify type and cleaning/replacement procedure).
Spark Plug Replacement:
Every 4000-6000 km. (Manual will list compatible spark plugs, e.g., NGK CR8EB or similar).
Coolant:
Ethylene glycol-based antifreeze mixture (e.g., Piaggio Coolant or equivalent) at 50% concentration. Manual will detail capacity.
Brake Fluid:
DOT 4 hydraulic brake fluid. Manual will specify replacement intervals and bleeding procedures.
Gearbox Oil:
SAE 80W/90 hypoid gear oil. Manual will detail capacity (approx. 100-150ml).
Common Wear Items:
Worn CVT belt, worn clutch shoes, weak battery, clogged carburetor jets, aging suspension components, cracked plastics due to UV exposure.
Performance Degradation:
Can be caused by carbon buildup in the exhaust and cylinder, worn reed valves, or incorrect carburetor tuning.
Manufacturer Origin:
Gilera is an Italian motorcycle manufacturer, now part of the Piaggio Group
Runner Series:
The Gilera Runner is a long-standing and highly regarded scooter series, known for its performance and sporty chassis dynamics. The 50cc SP model represents the entry-level performance variant.
Production Period Covered:
1999 to 2004 (as per manual title)