Target Audience:
Owners, independent repair shops, and enthusiast mechanics working on the Piaggio Runner 125
Value Proposition:
Provides comprehensive technical data to reduce reliance on expensive dealership services and enable DIY repairs
Completeness:
Claims to contain 'everything' needed for repair, maintenance, and restoration, indicating high detail
Organization:
Features a 'superb table of contents' for efficient navigation
Manual Type:
Service Repair Manual
Estimated Pages:
Hundreds (Specific count not provided, implies comprehensive)
Manual Scope:
Repair, Maintenance, Rebuild, Refurbishment, Restoration
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures
Fuel System:
Carburetor/Injection system diagnosis and repair, fuel pump, fuel lines, and tank servicing
Ignition System:
Spark plug, ignition coil, CDI unit, and timing diagnosis and replacement
Cooling System:
Radiator, coolant, thermostat, water pump, and hose servicing
Transmission And Drivetrain:
Automatic transmission (CVT) operation, belt replacement, variator and clutch servicing, final drive maintenance
Brakes:
Hydraulic brake system diagnosis, pad and disc replacement, caliper servicing, bleeding procedures
Suspension And Steering:
Front fork, rear shock absorber, linkage, and steering head bearing maintenance and adjustment
Electrical System:
Wiring diagrams, battery, starter, lighting, indicators, and instrument cluster troubleshooting
Bodywork And Chassis:
Fairing removal and installation, seat, body panels, and frame inspection
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, coolant levels, tire pressure adjustments
Troubleshooting:
Diagnostic charts for common problems and their solutions across all systems
Component Replacement:
Step-by-step instructions for replacing major and minor components
Rebuilding Procedures:
Detailed instructions for rebuilding engine components, transmissions, and suspension parts
Diagnostic Capabilities:
Advanced diagnostic procedures, including symptom analysis and fault code interpretation (if applicable to the model's technology)
Performance Tuning:
Information on adjustments for optimal performance, though may not cover aftermarket modifications
Specification Reference:
Torque specifications, clearances, tolerances, and fluid capacities for all components
Engine Type:
Likely a Piaggio LEADER 125cc 4-stroke, 2-valve, OHC, liquid-cooled engine (common for this model range)
Bore X Stroke:
Specific dimensions would be detailed in the manual (e.g., ~57mm x 49mm for similar engines)
Displacement:
124cc (nominal)
Compression Ratio:
Details provided in the manual (typically around 11.5:1 to 13.0:1 for modern 4-strokes)
Horsepower:
Expected range of 10-15 HP, specific output detailed in manual
Torque:
Specific figures would be listed in the manual (e.g., around 10-12 Nm)
Fuel Delivery:
Likely Electronic Fuel Injection (EFI) or Carbureted (specific to 2007 onward models, EFI is more probable for Euro 3 compliance)
Fuel Type:
Unleaded Gasoline (95 RON recommended)
Oil Type:
Specific Piaggio or SAE specification (e.g., SAE 10W-40, API SG or higher, JASO MA)
Oil Capacity:
Detailed in manual (typically around 0.8-1.0 liters)
Type:
Automatic Continuously Variable Transmission (CVT)
Drive System:
Belt drive to rear wheel
Variator Servicing:
Instructions for variator roller inspection, replacement, and spring evaluation
Clutch Servicing:
Centrifugal clutch maintenance, shoe inspection, and spring replacement procedures
Gearbox Oil:
Specifications and replacement intervals for the final drive gearbox oil
Length:
Specific dimensions provided in manual (typical for a sport scooter, e.g., ~1900-2000mm)
Width:
Specific dimensions provided in manual (e.g., ~700-750mm)
Wheelbase:
Specific dimensions provided in manual (e.g., ~1300-1350mm)
Dry Weight:
Specific weight detailed in manual (typical range 120-140 kg)
Gross Vehicle Weight Rating:
Information on maximum permissible weight available in the manual
Underseat Storage:
Capacity and accessibility described, potential for full-face helmet storage
Crash Test Data:
Not typically available for scooters of this era in the same way as cars; manual focuses on mechanical safety.
Braking System:
Disc brakes front and rear, potentially with ABS on some variants (check manual for specifics). Manual details their maintenance.
Lighting:
Headlight, taillight, brake light, turn signals - manual covers bulb replacement and circuit checks.
Frame Construction:
Steel frame, manual covers inspection for damage and integrity.
Instrument Cluster:
Analog/digital combination cluster with speedometer, tachometer, fuel gauge, and warning lights. Manual explains operation and troubleshooting.
ABS Availability:
ABS was optional or standard on higher trims for some models in this era. Manual would specify if present and its maintenance.
Diagnostic Ports:
May have a diagnostic connector for electronic fault reading (OBD or proprietary). Manual details its location and use.
Engine Oil Change:
Typically every 3,000-5,000 km or annually, detailed in manual.
Air Filter Check:
Check at regular intervals (e.g., 5,000 km), clean or replace as needed.
Spark Plug Replacement:
Typically every 6,000-10,000 km, specific plug type and gap detailed.
Transmission Belt Inspection:
Inspect at intervals like 10,000 km for wear, replace as necessary (e.g., ~20,000 km lifespan).
Coolant Type:
Ethylene glycol-based antifreeze coolant, specific Piaggio recommendation likely detailed.
Brake Fluid:
DOT 4 hydraulic brake fluid, manual specifies DOT type and replacement intervals.
Final Drive Oil:
Specific gear oil (e.g., SAE 80W-90 API GL-4 or GL-5), capacity detailed.
Common Wear Items:
CVT belt, variator rollers, brake pads, tires, suspension bushings are common wear items.
Potential Failures:
Voltage regulator issues, cooling system leaks, and carburetor/injector problems can occur with age and mileage if not properly maintained. Manual addresses these.
Manufacturer:
Piaggio & C. S.p.A., an Italian manufacturer with a long history in scooter and motorcycle production.
Runner Series:
The Runner is a sport-oriented scooter model from Piaggio, known for its performance and handling characteristics.
2007 Update:
Models from 2007 onward likely feature updates for emissions compliance (Euro 3) and potentially minor styling or component revisions compared to earlier models.
Manufacturing Origin:
Likely manufactured in Italy or potentially at other Piaggio facilities.
