Target Audience:
Owners and technicians of Aprilia RS 125 models from 1993 to 2006
Value Proposition:
Provides essential knowledge for maintaining, troubleshooting, and repairing the Aprilia RS 125, saving on professional service costs
Manual Completeness:
Described as the 'most complete,' suggesting it covers a broad range of service needs
Problem Solving:
Aimed at immediate problem resolution through detailed repair instructions
Engine Systems:
Engine assembly, disassembly, lubrication, cooling, ignition, carburetor, exhaust
Transmission Systems:
Gearbox operation, clutch service, gear shift mechanism
Chassis Systems:
Frame inspection, suspension (front forks, rear shock), steering system
Braking Systems:
Brake caliper service, master cylinder overhaul, brake line replacement, bleeding procedures
Electrical Systems:
Wiring diagrams, lighting circuits, ignition system diagnostics, starter motor, battery maintenance
Fuel System:
Fuel tank, fuel lines, carburetor tuning and cleaning, fuel pump (if applicable)
Bodywork And Trim:
Fairing removal and installation, seat, controls, instrumentation
Routine Maintenance:
Oil changes, filter replacement, spark plug checks, chain adjustment, brake fluid replacement
Troubleshooting:
Diagnostic procedures for common issues, fault finding charts
Rebuild Procedures:
Engine rebuild, carburetor overhaul, suspension fork servicing
Adjustment Procedures:
Carburetor synchronization, clutch lever adjustment, chain tension adjustment
Depth Of Coverage:
Full workshop level, suitable for professional technicians and experienced DIY mechanics
Diagnostic Support:
Includes diagnostic information and troubleshooting guides for common electrical and mechanical faults
Engine Type:
Two-stroke, single-cylinder
Displacement:
125cc (approximate, specific variants may exist)
Cooling System:
Liquid-cooled
Induction System:
Rotary disc valve intake, carburetor fed (e.g., Dell'Orto PHBH 28/30)
Ignition System:
Electronic ignition (CDI)
Horsepower Output:
Varies by model year and market, typically 30-34 HP in unrestricted versions
Torque Output:
Specific torque figures are model-dependent, but generally optimized for high-revving performance
Fuel Type:
Unleaded gasoline (95 RON or higher recommended)
Oil Mixture:
Two-stroke oil mixed with fuel or via automatic oil injection system (model dependent)
Gearbox Type:
6-speed sequential manual transmission
Clutch Type:
Wet, multi-plate clutch, cable-actuated
Gear Ratios:
Specific gear ratios are detailed within the manual, crucial for performance tuning
Length:
Refer to specific model year specifications in manual
Width:
Refer to specific model year specifications in manual
Height:
Refer to specific model year specifications in manual
Dry Weight:
Typically around 130-140 kg (dry), varies by specification
Kerb Weight:
Includes all fluids and ready to ride, consult manual for exact figures
Instrumentation:
Analog tachometer, speedometer, digital odometer, indicator lights. Specific features may vary by year.
Safety Systems:
ABS was not standard on most RS 125 models in this era; focus is on mechanical and electrical systems.
Electronics:
Basic electronic ignition and lighting systems, no advanced connectivity features.
Engine Oil Change:
Every 5,000 km or annually (check manual for specific recommendations)
Spark Plug Check:
Every 2,500 km or as needed
Chain Lubrication And Adjustment:
Regularly, every 500-1000 km and after riding in wet conditions
Brake Fluid Replacement:
Every 2 years
Engine Oil:
High-quality 2-stroke synthetic oil, specific viscosity grade as per manual (e.g., SAE 75W-90 for gearbox)
Coolant:
Mixture of distilled water and anti-freeze (ethylene glycol based), typically 50/50 ratio
Brake Fluid:
DOT 4 recommended
Power Valve Sticking:
Common issue in two-strokes; requires regular cleaning and lubrication
Carburetor Icing:
Can occur in cold, humid conditions; manual covers cleaning and adjustment
Clutch Wear:
Typical for high-performance sportbikes; manual details replacement procedures
Ignition Coil Failure:
Potential issue; manual provides diagnostic steps
Aprilia Legacy:
Aprilia is an Italian manufacturer renowned for its sporting heritage, particularly in the Grand Prix motorcycle racing scene, and its performance-oriented small-displacement sportbikes.
Rs 125 Lineage:
The RS 125 has been a staple in Aprilia's lineup, evolving from its earlier iterations to become a benchmark in the 125cc sportbike segment, known for its powerful two-stroke engine and race-replica styling.
Manufacturing Location:
Italy
Model Acclaim:
The Aprilia RS 125 has historically been lauded for its performance and handling in the 125cc class, often considered a benchmark for its segment.
Editorial Reviews:
Praised for its sharp handling, powerful engine for its class, and race-inspired aesthetics.
Manual Accuracy:
Workshop manuals are typically compiled by manufacturers or authorized publishers, ensuring a high degree of accuracy and adherence to technical standards.
