Official Aprilia RS 125 Motorcycle Service & Workshop Manual - Maintenance & Repair Procedures (1993-2002)
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Sample pages from the Official Aprilia RS 125 Motorcycle Service & Workshop Manual - Maintenance & Repair Procedures (1993-2002) manual
Purchase Information
1993-2002 Aprilia RS 125 Motorcycle Service & Workshop Manual - Technical Specifications
- Document Number / Seller:
- 23355 / David Taylor
- File Size:
- 18.78 MB
- File Type:
- Language:
- English (some of our manuals are multi-language)
- Pages:
- 291
- Printable:
- Yes
- Estimated Download Time:
- 0.38 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Bike
- Brand:
- Aprilia
- Reviewed and Approved:
- Dec 25, 2025
Aprilia Models and Parts Covered in this Bike Manual
- Aprilia RS 125 (1993-2002)
- Aprilia RS 125 Extreme (1993-1994)
- Aprilia RS 125 Replica (1995-2002)
- Aprilia RS 125 11kW Derated Version (1995-2002)
- Aprilia RS 125 Full-Power Version (1995-2002)
- Aprilia RS 125 80km/h Speed Version (1998-2002)
- Aprilia RS 125 Catalyzed Version (2001-2002)
- Aprilia RS 125 USA Model (2001)
Complete Manual Information
Official Aprilia RS 125 Service & Workshop Manual (1993-2002)
Master your Italian masterpiece with the definitive technical guide for the legendary Aprilia RS 125. This comprehensive service manual is the exact resource used by authorized Aprilia dealers and professional mechanics to maintain, diagnose, and rebuild one of the most iconic two-stroke motorcycles ever produced. Spanning the production years from 1993 to 2002, this manual provides unparalleled technical depth for every variant of the RS 125 series.
Extensive Model Coverage
This manual is specifically designed for the following models and configurations:
- Aprilia RS 125 (1993-2002)
- Aprilia RS 125 Extreme (1993-1994)
- Aprilia RS 125 Replica (1995-2002)
- Aprilia RS 125 11kW Derated Version (1995-2002)
- Aprilia RS 125 Full-Power Version (1995-2002)
- Aprilia RS 125 80km/h Speed Version (1998-2002)
- Aprilia RS 125 Catalyzed Version (2001-2002)
- Aprilia RS 125 USA Model (2001)
Authentic Technical Specifications
The manual provides precise data for both the Rotax 123 and Rotax 122 engine generations. You will find exact values for critical components:
- Displacement: 124.82 cu cm
- Compression Ratio: 12.5 ± 0.5 : 1
- Squish Clearance: 1.5 mm
- Ignition Timing: 12° ± 2° at 2000 rpm
- Idling RPM: 1250 ± 100 rpm
- Maximum Rotation Speed: 11000 ± 100 rpm
- Carburetor Setup: Detailed jetting and needle settings for Dell’Orto PHBH 28 BD and RD variants
Vehicle Identification & Serial Numbers
For correct parts ordering and homologation, the manual guides you to the exact locations of your vehicle's identification data:
- Frame Number Location: Stamped on the right side of the steering column (Example format: ZD4DW...)
- Engine Number Location: Stamped on the rear part of the engine, near the shock absorber (Typical serials include 204MPE or 722985 series markings)
Professional Maintenance Sections
- Routine Maintenance: Complete service interval charts for 1,000 km (After running-in), 4,000 km, and 8,000 km intervals.
- Engine & Transmission: Comprehensive instructions for engine removal, clutch adjustment (10-15 mm free play), and gearbox splash lubrication system (600 cu cm capacity).
- Cooling System: Detailed diagram of the centrifugal pump system, 70° thermostat operation, and radiator maintenance.
- Fuel & Lubrication: Expert guide on the separate lubrication system (1.0 - 3.0% variable strength) and mixer oil tank removal.
- Electrical System: Full wiring diagrams, CDI ignition timing, and instructions for the Multifunction Computer (VBAT, LAP TIME, and TH2O functions).
- Chassis & Suspension: Torque settings for the twin-beam stamped-plate frame, front telescopic hydraulic forks (430 cu cm oil per leg), and adjustable rear monoshock.
- Braking System: Service procedures for the 320 mm front disc and 220 mm rear disc hydraulic systems.
Real Value for Owners
Whether you are performing a simple oil change or a full engine teardown, this manual ensures you have the correct torque settings and tool requirements. It includes a complete Lubricant Chart (SAE 75W-90 for gearbox, SAE 5W/20W for forks) and a dedicated Troubleshooting section to diagnose engine hesitation, electrical issues, or braking performance loss. This is the ultimate tool to keep your RS 125 running at peak performance.
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Frequently Asked Questions - Aprilia Bike Manual
What does this Aprilia manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for Official Aprilia RS 125 Motorcycle Service & Workshop Manual - Maintenance & Repair Procedures (1993-2002). It includes information for the following models: - Aprilia RS 125 (1993-2002) - Aprilia RS 125 Extreme (1993-1994) - Aprilia RS 125 Replica (1995-2002) - Aprilia RS 125 11kW Derated Version (1995-2002) - Aprilia RS 125 Full-Power Version (1995-2002) - Aprilia RS 125 80km/h Speed Version (1998-2002) - Aprilia RS 125 Catalyzed Version (2001-2002) - Aprilia RS 125 USA Model (2001).
Is this manual suitable for beginners?
Yes, this Aprilia manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Bike maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (18.78 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Aprilia Bike manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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