🏷️ Basic Information

Make:

Aprilia

Model:

RS 50

Year:

2006

Vehicle Type:

Sportbike / Moped

Chassis Code:

AM6 Engine (often associated, though specific chassis codes vary)

Engine Code General:

Minarelli AM6

👋 Introduction

Segment:

Lightweight sportbike, often categorized as a 50cc moped or small displacement motorcycle.

Target Audience:

Young riders, entry-level enthusiasts, commuters seeking fuel efficiency and sporty styling.

Key Competitors 2006:

Yamaha YZF-R125 (later model), Derbi GPR50, Aprilia RS4 50, Gilera SMT/RCR 50.

Design:

Aggressive sportbike styling mimicking larger Aprilia RSV models, aerodynamic fairings, clip-on handlebars.

Performance Focus:

Designed to offer a sporty riding experience within the 50cc class, emphasizing handling and acceleration.

Customization Potential:

Popular platform for aftermarket upgrades and tuning, especially the Minarelli AM6 engine.

📋 Manual Details

Language:

English

Manual Type:

Workshop Service Repair Manual

Format:

Digital (likely PDF)

Estimated Page Count:

300-500 pages (typical for comprehensive workshop manuals)

📖 Manual Coverage

Engine Mechanical:

Engine disassembly, assembly, inspection, tuning, lubrication, cooling system, fuel system (carburetor), exhaust system.

Engine Electrical:

Ignition system, starter motor, charging system (stator/rotor), wiring diagrams, troubleshooting electrical faults.

Transmission Drivetrain:

Clutch operation and adjustment, gearbox disassembly and assembly, chain and sprockets maintenance, lubrication.

Chassis Frame:

Frame inspection, front fork maintenance, rear suspension (monoshock), swingarm inspection and lubrication.

Braking System:

Front and rear brake caliper service, master cylinder overhaul, brake line replacement, bleeding procedures, brake pad replacement.

Wheels Tires:

Wheel bearing inspection and replacement, tire mounting and balancing, spoke tensioning (if applicable to specific models), valve stem maintenance.

Fuel System:

Fuel tank maintenance, petcock operation, carburetor cleaning, tuning and synchronization (e.g., Dell'Orto PHBG).

Cooling System:

Radiator maintenance, coolant replacement, hose inspection, fan operation.

Bodywork Fairings:

Fairing removal and installation, seat maintenance, lighting system (headlight, taillight, indicators), control cable routing.

Electrical System General:

Battery maintenance, fuse box location and identification, switchgear operation, horn, instrumentation.

Routine Maintenance:

Oil changes, filter replacements, chain lubrication and adjustment, brake checks, tire pressure checks, spark plug replacement.

Troubleshooting:

Diagnostic charts for common problems, electrical fault finding, engine performance issues, starting difficulties.

Engine Rebuild:

Detailed steps for cylinder head removal, piston and connecting rod replacement, crankshaft inspection, seal and gasket replacement.

Transmission Repair:

Gearbox internal component replacement, clutch disc replacement, shift drum and fork alignment.

Suspension Service:

Front fork oil change and seal replacement, rear shock absorber inspection and replacement.

Carburetor Tuning:

Jetting recommendations, idle speed adjustment, mixture screw settings, float bowl level adjustment.

Electrical Diagnostics:

Testing of ignition coils, stators, regulators/rectifiers, starter solenoids, use of multimeters.

Brake System Overhaul:

Complete caliper rebuilding, master cylinder seal replacement, brake bleeding sequence.

Wheel Bearing Replacement:

Proper removal and installation of front and rear wheel bearings.

Depth Level:

Comprehensive (covering basic maintenance to complete engine and chassis rebuilds).

Diagnostic Capability:

Includes troubleshooting charts and symptom-based problem diagnosis.

Wiring Diagrams:

Detailed electrical schematics for all major systems.

Torque Specifications:

Precise torque values for all critical fasteners.

Special Tool Requirements:

Lists and descriptions of specialized tools needed for certain procedures.

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format)

Searchability:

Likely text-searchable PDF for easy navigation.

Printability:

Printable pages for workshop use.

Image Resolution:

High-resolution diagrams and illustrations.

Digital Presentation:

N/A (Digital Format)

Digital Format:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Two-stroke, single-cylinder

Displacement:

49.7 cc

Bore X Stroke:

39.5 mm x 40.3 mm

Cooling System:

Liquid-cooled

Induction:

Reed valve induction

Carburetor Type:

Dell'Orto PHBG 17.5 AS (standard, but variations exist)

Horsepower Approximate:

5-8 HP (stock, depending on regulations and market)

Torque Approximate:

4-6 Nm (stock)

Fuel Type:

Unleaded gasoline with 2-stroke oil mixture

Fuel Tank Capacity:

Approx. 13 liters

Oil Injection:

Separate oil injection system for 2-stroke oil.

🔧 Transmission

Transmission Type:

6-speed manual

Clutch Type:

Wet multi-plate

Final Drive:

Chain drive

Gear Ratios:

Specific gear ratios are detailed in the workshop manual and vary slightly by model year and region.

📐 Dimensions

Length:

Approx. 1980 mm

Width:

Approx. 750 mm (at handlebars)

Height:

Approx. 1135 mm (to top of windscreen)

Wheelbase:

Approx. 1350 mm

Dry Weight:

Approx. 100-105 kg

🛡️ Safety Features

Safety Certification:

CE, Euro 2 emissions compliant (typical for European models).

Braking System Front:

Hydraulic disc brake, typically 280mm diameter with twin-piston caliper.

Braking System Rear:

Hydraulic disc brake, typically 220mm diameter with single-piston caliper.

Lighting:

Halogen headlight, LED taillight (common), front and rear turn signals.

Frame Construction:

Perimeter frame, typically steel alloy for rigidity and strength.

💡 Technology Features

Instrumentation:

Analog tachometer, speedometer, odometer, trip meter, coolant temperature gauge, indicator lights.

ABS:

Not standard on 2006 models.

Connectivity Features:

N/A (basic motorcycle technology for this era).

🔧 Maintenance

Oil Change Frequency:

Every 3,000-5,000 km or annually. Specific recommendations in manual.

Spark Plug Replacement:

Every 6,000-8,000 km. Check gap regularly.

Air Filter Cleaning:

Clean every 2,000-3,000 km, replace as needed. Crucial for 2-stroke performance.

Chain Lubrication Adjustment:

Lubricate every 500 km, adjust slack every 1,000 km or as needed.

Engine Oil Type:

High-quality 2-stroke synthetic oil specifically for racing or high-performance applications. E.g., Motul 710 2T, Castrol Power1 Racing 2T.

Coolant Type:

Ethylene glycol-based coolant with corrosion inhibitors. E.g., Motul Motocool Expert, Castrol Motorcycle Coolant.

Brake Fluid Type:

DOT 4.

Gearbox Oil Type:

Hypoid gear oil SAE 80 API GL-4. E.g., Motul Gear 80W90.

Carburetor Fouling:

Common with infrequent use or poor quality fuel/oil mix, requiring cleaning and tuning.

Exhaust Valve Sticking:

The power valve on the AM6 engine can accumulate carbon and stick, affecting performance. Requires periodic cleaning.

Electrical Connections:

Corrosion or loose connections in the wiring harness can lead to intermittent electrical issues.

Clutch Wear:

Clutch plates can wear over time, especially with aggressive riding, leading to slipping.

📚 Vehicle History

Aprilia Heritage:

Aprilia is an Italian manufacturer with a strong racing pedigree, known for its lightweight and performance-oriented motorcycles, particularly in smaller displacement classes.

Rs 50 Lineage:

The RS 50 has been a staple in Aprilia's lineup for decades, evolving through various chassis and engine iterations to meet changing regulations and consumer demands. The 2006 model represents a refinement of earlier designs.

Manufacturing Location:

Primarily Italy.

Key Engine Supplier:

Minarelli (a Yamaha Motor Company subsidiary), specifically the robust and tunable AM6 engine.

🏆 Awards & Recognition

Reputation In Class:

Well-regarded for its sporty handling, strong engine platform (Minarelli AM6), and premium feel within the 50cc segment.

Owner Satisfaction:

Generally high among enthusiasts for its performance potential and styling, though maintenance can be more involved than simpler mopeds.