Aprilia RS50 RS50 2008 Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Aprilia Model: RS50 Year: 2008 Codes Engine Code: AM6 (Minarelli Horizontal) 👋 Introduction Market Position Segment: Lightweight supersport motorcycle, entry-level performance for younger riders or...

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Type: Motorcycle

Vendor:

Sku: 602491

Tags: 2008 Aprilia Featured Motorcycle Motorcycles RS Models RS50

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Description

🏷️ Basic Information

Identification

Make:

Aprilia

Model:

Year:

Codes

Engine Code:

AM6 (Minarelli Horizontal)

👋 Introduction

Market Position

Segment:

Lightweight supersport motorcycle, entry-level performance for younger riders or those seeking agile urban transport.

Target Audience:

Enthusiasts, novice riders, those looking for sporty styling and manageable performance.

Competitive Analysis

Competitors:

Yamaha YZF-R125, Honda CBR125R, Suzuki GSX-R125 (though often 125cc class, the RS50 competes in the lower displacement sportbike segment).

Key Features

Styling:

Aggressive supersport styling mirroring larger Aprilia sportbikes, including dual headlights and aerodynamic fairings.

Engine Type:

High-revving 2-stroke, liquid-cooled, single-cylinder engine known for its performance in the 50cc class.

Chassis:

Aluminium frame and swingarm contribute to light weight and sharp handling.

Braking System:

Premium braking components, often including radial-mount calipers, for superior stopping power in its class.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive service, repair, and workshop procedures for the Aprilia RS50 (2008 model year).

Page Count

Page Count:

Likely in excess of 300 pages, typical for a full workshop manual.

Manual Type

Manual Type:

Service Repair Workshop Manual

Language

Language:

Likely English, with potential for multilingual sections depending on the original publication.

Format

Format:

Digital (PDF), likely searchable and printable.

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine disassembly, assembly, inspection, tuning, cooling system, lubrication system, fuel system (carburetor settings, fuel lines), ignition system (spark plug, coil, CDI unit).

Transmission Drivetrain:

Gearbox operation, clutch assembly, chain drive, gear ratios, maintenance, and repair.

Chassis Frame:

Frame inspection, steering head bearings, swingarm, linkage bearings, and related components.

Suspension Steering:

Front fork (telescopic, oil levels, seal replacement), rear shock absorber, steering system components, adjustments, and servicing.

Brakes:

Front and rear brake systems (disc brakes), caliper overhaul, pad replacement, fluid bleeding, master cylinder service, brake lines.

Electrical Systems:

Wiring diagrams, battery maintenance, lighting (headlight, taillight, indicators), horn, starter system, charging system (stator, regulator/rectifier), fuse box, switches.

Fuel System Components:

Carburetor identification (Dell'Orto PHVA 12/17.5), jetting specifications, float bowl adjustment, idle speed control, fuel tank, fuel tap.

Exhaust System:

Exhaust pipe, silencer, mounting, and gasket replacement.

Cooling System:

Liquid cooling system, radiator, water pump, thermostat, coolant specifications, and bleeding procedures.

Procedures Included

Preventative Maintenance:

Scheduled maintenance tasks, service intervals, lubrication points, chain adjustment and lubrication, tire pressure checks.

Troubleshooting Diagnostics:

Problem-solving guides for common issues, diagnostic flowcharts, identification of faults.

Engine Overhaul:

Detailed steps for engine disassembly, piston and cylinder inspection/replacement, crankshaft and connecting rod servicing, valve clearance adjustment (if applicable to 2-stroke).

Transmission Repair:

Clutch plate replacement, gearbox disassembly and reassembly, bearing inspection.

Electrical Diagnostics:

Component testing (e.g., stator output, CDI function), wiring harness repair, troubleshooting electrical faults.

Suspension Servicing:

Front fork seal replacement, fork oil change, rear shock service.

Brake System Maintenance:

Brake pad replacement, caliper overhaul, hydraulic system bleeding, rotor inspection.

Bodywork Fairing Repair:

Fairing removal and installation, mounting point repair.

Technical Depth

Depth Level:

Intermediate to Advanced. Covers routine maintenance, detailed component replacement, engine and transmission rebuilding, and electrical system diagnostics.

Special Tools:

Likely lists specific tools required for certain procedures, such as flywheel pullers, clutch holding tools, and torque wrenches.

Torque Specifications:

Includes detailed torque values for all critical fasteners and components.

Schematics Diagrams:

Provides detailed diagrams of assemblies, sub-assemblies, and wiring schematics.

📊 Manual Specifications

File Format

File Format:

PDF (Portable Document Format)

Print Quality

Print Quality:

High-resolution, suitable for printing individual pages or the entire manual.

Binding Type

Binding Type:

N/A (Digital Format)

Paper Type

Paper Type:

N/A (Digital Format)

Searchability

Searchability:

Text-searchable PDF, allowing users to quickly find specific information.

⚙️ Engine Specifications

Primary Engine

Engine Type:

2-stroke, liquid-cooled, single-cylinder

Displacement:

49.7 cc

Bore X Stroke:

39.5 mm x 40.1 mm

Power Output:

Typically around 10-15 hp at high RPM (varies by market and de-restriction).

Torque:

Peak torque figures generally around 8-10 Nm.

Performance

Cooling Method:

Liquid-cooled

Ignition System:

Electronic CDI (Capacitor Discharge Ignition)

Fuel System

Carburetor:

Dell'Orto PHVA 12 or PHVA 17.5 (depending on variant/market).

Fuel Type:

Unleaded Gasoline (95 RON recommended), requires 2-stroke oil pre-mix or separate oil injection.

Oil Mixture:

Separate oil injection system (automatic mixing) or manual pre-mix (typically 1:50 ratio for dedicated 2T oil).

🔧 Transmission

Standard

Transmission Type:

6-speed manual gearbox

Features

Clutch Type:

Wet multi-plate clutch, cable-actuated.

Final Drive:

Chain drive

Gear Ratios:

Specific ratios will be detailed in the manual, crucial for understanding performance characteristics.

📐 Dimensions

Exterior

Length:

Approx. 1950 mm

Width:

Approx. 720 mm

Height:

Approx. 1130 mm

Wheelbase:

Approx. 1340 mm

Weights

Dry Weight:

Approx. 115 kg

Fuel Capacity:

Approx. 13 Liters

Oil Tank Capacity:

Approx. 1.5 Liters (for 2-stroke oil injection)

🛡️ Safety Features

Ratings

Safety Ratings:

Not applicable in the same way as cars; relies on design and component quality.

Active Features

Braking System:

Front: Disc brake (e.g., 280mm disc, radial caliper), Rear: Disc brake (e.g., 220mm disc).

Tires:

Front: 110/70-17, Rear: 130/70-17 (typical sizes, check manual for exact).

Passive Features

Lighting:

Dual Halogen headlights, LED taillight, front and rear turn signals.

Chassis Design:

Lightweight and rigid frame for predictable handling.

💡 Technology Features

Infotainment

Instrument Cluster:

Analog tachometer, digital speedometer, odometer, trip meter, coolant temperature warning light, oil level warning light.

Driver Assistance

ABS was not a standard or common option on the RS50 for this model year.

Connectivity

Connectivity Features:

No integrated connectivity features like Bluetooth or smartphone integration.

🔧 Maintenance

Service Intervals

Oil Change Interval:

2-stroke oil injection reservoir needs regular topping up; gearbox oil change typically every 6,000-10,000 km.

Spark Plug Replacement:

Every 5,000-8,000 km, depending on usage and plug type (e.g., NGK BR9EG).

Air Filter Cleaning:

Regularly, every 2,000-4,000 km, depending on riding conditions.

Chain Maintenance:

Lubrication and tension adjustment every 500-1,000 km.

Top End Rebuild:

Recommended between 15,000-25,000 km for optimal performance and longevity of piston and cylinder.

Fluid Specifications

Engine Oil Type:

High-quality 2-stroke synthetic oil (e.g., Motul 7100 2T, Castrol Power 1 Racing).

Gearbox Oil Spec:

API GL-4 or GL-5, SAE 10W-40 or 10W-50 motorcycle gear oil (e.g., Motul Transoil Expert 10W-40).

Coolant Spec:

Ethylene glycol-based coolant with anti-corrosion additives, typically a 50/50 mix with distilled water.

Brake Fluid Spec:

DOT 4 hydraulic brake fluid.

Known Issues

Common Wear Items:

Clutch plates, piston rings, spark plugs, chain and sprockets, fork seals, wheel bearings.

Performance Degradation:

Lack of power or poor starting can be due to worn piston/cylinder, incorrect carburetor jetting, or ignition issues.

Cooling System Concerns:

Overheating can occur if coolant levels are low, radiator is blocked, or thermostat fails.

📚 Vehicle History

Brand Heritage

Brand Focus:

Aprilia is renowned for its performance-oriented motorcycles, particularly in racing and sportbike categories, with a history dating back to 1945.

Model Evolution

Rs Series Heritage:

The RS series represents Aprilia's commitment to sporty design and performance, with the RS50 being the entry point into this lineage.

Engine Source:

The Minarelli AM6 engine is a widely used and highly regarded 50cc 2-stroke engine in many European mopeds and small motorcycles, known for its robustness and tuneability.

Production

Manufacturing Location:

Typically manufactured in Italy by Aprilia.

🏆 Awards & Recognition

Recognitions

Performance Awards:

While not specific awards, the RS50 is recognized in its class for offering a high level of performance and sporty handling, often praised in motorcycle reviews for its 'big bike' feel.