๐ท๏ธ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006 Codes Vin Prefix: ZAPG07100 ๐ Introduction Market Position Market Segment: High-performance lightweight sportbike Target Audience: Enthusiasts, aspiring racers, and riders seeking a premium 125cc experience Competitive Analysis Key Competitors: Yamaha YZF-R125, Cagiva Mito 125, Honda CBR125R Key Features Performance Heritage: Derived from Aprilia's extensive racing experience, particularly in the 125cc Grand Prix class. Styling: Aggressive, track-inspired fairing design and ergonomics Engine Technology: Renowned Rotax 122 engine, known for its potent 2-stroke performance in the 125cc segment. Chassis Components: Premium suspension (e.g., Marzocchi forks) and braking components (e.g., Brembo calipers) typically found on larger bikes. ๐ Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Digital (likely PDF) Page Count: Estimated 300-400 pages (typical for this model and year) ๐ Manual Coverage Systems Covered Engine: 2-stroke single-cylinder Rotax 122 Fuel System: Carburetor (Dell'Orto PHBH 28 QD), Reed valve intake, Automatic oil injection Ignition System: Electronic ignition (CDI) Cooling System: Liquid-cooled Transmission: 6-speed constant mesh gearbox Clutch: Wet multi-plate Frame: Aluminum alloy twin-spar Suspension Front: Upside-down telescopic fork (Marzocchi or Paoli, depending on specific build) Suspension Rear: Monoshock with adjustable preload and rebound damping (Sachs or similar) Brakes Front: Single hydraulic disc with multi-piston caliper (Brembo or Grimeca) Brakes Rear: Single hydraulic disc with single-piston caliper Wheels Tires: Alloy wheels, typical sizes: Front 17", Rear 17" Electrical System: 12V DC system, battery, alternator, lighting, starter motor, instrumentation Exhaust System: 2-stroke exhaust manifold and silencer, often with expansion chamber design Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, spark plug checks, chain adjustment Disassembly Assembly: Complete engine teardown and reassembly, gearbox, clutch, suspension components, wheels, brakes Repair: Engine internal repairs (piston, cylinder, crankshaft, bearings), gearbox repairs, brake caliper rebuilds, fork seal replacement Troubleshooting: Diagnostic procedures for common issues, electrical system faults, engine performance problems Adjustments: Carburetor tuning, ignition timing checks, chain tension, suspension setup Installation: Component replacement procedures (e.g., brake pads, exhaust system) Technical Depth Depth: Comprehensive, covering routine maintenance to full engine rebuilds and chassis repairs. Diagnostics: Includes detailed troubleshooting guides and diagnostic flowcharts. Specifications: Provides all necessary torque values, clearances, fluid capacities, and component tolerances. ๐ Manual Specifications File Format File Type: Digital (PDF) Searchability: Text-searchable for quick information retrieval Printability: Printable for workshop use Print Quality Image Resolution: High-resolution diagrams and illustrations Binding Type Binding: Not applicable for digital format; however, if printed, would typically be spiral-bound or comb-bound for ease of use. Paper Type Paper: Not applicable for digital format; however, factory originals are printed on durable paper suitable for workshop environments. โ๏ธ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled, reed valve induction Bore X Stroke: 54 mm x 54.5 mm Displacement: 124.8 cc Compression Ratio: Approx. 12.2:1 Power Output: Approx. 30-34 hp (depending on market restrictions, e.g., learner regulations) Torque Output: Approx. 22-24 Nm Performance Top Speed: Approx. 150-160 km/h (subject to rider weight, conditions, and rider skill) Fuel System Carburetor Model: Dell'Orto PHBH 28 QD Fuel Type: Unleaded gasoline (minimum 95 RON) Oil System: Automatic 2-stroke oil injection system Oil Type Injection: High-quality 2-stroke synthetic oil (refer to manual for specific API/JASO grades) ๐ง Transmission Standard Transmission Type: 6-speed, constant mesh Clutch Type: Wet, multi-plate, cable-actuated Features Gear Ratios: Specific ratios detailed in the manual, designed for sporty performance. Final Drive: Chain drive, typically 16T front and 48T rear sprockets (stock) Transmission Oil: Gear oil (e.g., SAE 80W/90) ๐ Dimensions Exterior Length: Approx. 1990 mm Width: Approx. 730 mm (at handlebars) Height: Approx. 1145 mm (at seat) Wheelbase: Approx. 1375 mm Weights Dry Weight: Approx. 131 kg Wet Weight: Approx. 143 kg (with all fluids) Max Load: Typically 180-200 kg (rider and passenger combined) Fuel Tank Capacity: 7.5 Liters (including 1.5 Liter reserve) ๐ก๏ธ Safety Features Ratings Safety Classification: Motorcycle safety standards (country-specific) Active Features Braking System: Powerful front and rear disc brakes for reliable stopping power. Tires: Sport-oriented tires for good grip and handling. Passive Features Frame Design: Stiff aluminum alloy frame for stable handling characteristics. Lighting: Full front and rear lighting system for visibility. ๐ก Technology Features Infotainment Infotainment System: Not applicable for this model; basic analog instrumentation. Instrumentation Instrument Cluster: Analog tachometer, speedometer, fuel gauge, coolant temperature warning light, neutral indicator, turn signal indicators, high beam indicator. ๐ง Maintenance Service Intervals Oil Change Interval: Check/top-up 2-stroke oil as needed; gearbox oil change typically every 6,000-10,000 km. Spark Plug Replacement: Approx. every 5,000-8,000 km, or as per manual recommendations. Air Filter Cleaning: Regular inspection and cleaning/replacement, typically every 3,000-6,000 km. Chain Maintenance: Lubricate and adjust chain every 500-1,000 km. Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze coolant (50/50 mix with distilled water) Brake Fluid Type: DOT 4 hydraulic brake fluid Fork Oil Type: Specific weight and type of fork oil (e.g., SAE 5W or 7.5W, refer to manual...
Approx. 30-34 hp (depending on market restrictions, e.g., learner regulations)
Torque Output:
Approx. 22-24 Nm
Performance
Top Speed:
Approx. 150-160 km/h (subject to rider weight, conditions, and rider skill)
Fuel System
Carburetor Model:
Dell'Orto PHBH 28 QD
Fuel Type:
Unleaded gasoline (minimum 95 RON)
Oil System:
Automatic 2-stroke oil injection system
Oil Type Injection:
High-quality 2-stroke synthetic oil (refer to manual for specific API/JASO grades)
๐ง Transmission
Standard
Transmission Type:
6-speed, constant mesh
Clutch Type:
Wet, multi-plate, cable-actuated
Features
Gear Ratios:
Specific ratios detailed in the manual, designed for sporty performance.
Final Drive:
Chain drive, typically 16T front and 48T rear sprockets (stock)
Transmission Oil:
Gear oil (e.g., SAE 80W/90)
๐ Dimensions
Exterior
Length:
Approx. 1990 mm
Width:
Approx. 730 mm (at handlebars)
Height:
Approx. 1145 mm (at seat)
Wheelbase:
Approx. 1375 mm
Weights
Dry Weight:
Approx. 131 kg
Wet Weight:
Approx. 143 kg (with all fluids)
Max Load:
Typically 180-200 kg (rider and passenger combined)
Fuel Tank Capacity:
7.5 Liters (including 1.5 Liter reserve)
๐ก๏ธ Safety Features
Ratings
Safety Classification:
Motorcycle safety standards (country-specific)
Active Features
Braking System:
Powerful front and rear disc brakes for reliable stopping power.
Tires:
Sport-oriented tires for good grip and handling.
Passive Features
Frame Design:
Stiff aluminum alloy frame for stable handling characteristics.
Lighting:
Full front and rear lighting system for visibility.
๐ก Technology Features
Infotainment
Infotainment System:
Not applicable for this model; basic analog instrumentation.
Instrumentation
Instrument Cluster:
Analog tachometer, speedometer, fuel gauge, coolant temperature warning light, neutral indicator, turn signal indicators, high beam indicator.
๐ง Maintenance
Service Intervals
Oil Change Interval:
Check/top-up 2-stroke oil as needed; gearbox oil change typically every 6,000-10,000 km.
Spark Plug Replacement:
Approx. every 5,000-8,000 km, or as per manual recommendations.
Air Filter Cleaning:
Regular inspection and cleaning/replacement, typically every 3,000-6,000 km.
Chain Maintenance:
Lubricate and adjust chain every 500-1,000 km.
Fluid Specifications
Coolant Type:
Ethylene glycol-based antifreeze coolant (50/50 mix with distilled water)
Brake Fluid Type:
DOT 4 hydraulic brake fluid
Fork Oil Type:
Specific weight and type of fork oil (e.g., SAE 5W or 7.5W, refer to manual for exact specification and fill level).
Known Issues
Common Problems:
Carburetor jetting sensitivity to atmospheric changes, exhaust valve operation (often needs cleaning/adjustment), clutch wear with aggressive use, occasional electrical gremlins (especially after modifications).
2 Stroke Specific Maintenance:
Proper pre-mix ratio or oil injection system functioning is critical. Carbon buildup in the exhaust port and power valve is common and requires periodic cleaning.
๐ Vehicle History
Brand Heritage
Brand Origin:
Aprilia is an Italian motorcycle manufacturer with a strong racing pedigree, founded in 1945.
Model Evolution
Rs125 Lineage:
The RS125 has been a dominant force in the 125cc sportbike category since its introduction, evolving through various iterations with engine and chassis updates.
2006 Model Updates:
The 2006 model typically featured refinements to the engine management, chassis, and styling compared to earlier versions.
Production
Manufacturing Location:
Italy
๐ Awards & Recognition
Recognitions
Awards And Accolades:
The RS125 line has consistently received positive reviews and accolades for its performance, handling, and track-inspired design within the 125cc segment.