Segment:
High-performance sportbike.
Target Audience:
Enthusiast riders, track day participants, and owners seeking detailed maintenance and repair information.
Key Competitors Era:
Yamaha YZF-R6, Suzuki GSX-R600, Kawasaki Ninja ZX-6R, Honda CBR600RR (though the RS250's 2-stroke nature placed it in a slightly different niche).
Model Identity:
Renowned for its potent 2-stroke V-twin engine, exceptional handling, and aggressive styling, offering a visceral riding experience.
Primary Coverage:
Comprehensive mechanical and electrical repair, maintenance, and troubleshooting for the Aprilia RS250.
Estimated Page Count:
Approximately 300-400 pages (typical for this level of detail).
Type:
Factory Service Manual / Workshop Manual / Repair Manual
Primary Language:
English (indicated by 'Engli......')
Delivery Format:
PDF Download
Engine Systems:
Engine disassembly, assembly, tuning, cooling system, lubrication, ignition system, fuel system (carburetors), exhaust system.
Drivetrain Systems:
Clutch, transmission, gearbox, final drive (chain and sprockets).
Chassis Systems:
Frame, suspension (front forks and rear shock absorber), steering system, wheels, brakes (front and rear).
Electrical Systems:
Wiring diagrams, lighting, battery, charging system (stator, regulator/rectifier), starting system, instruments, sensors.
Bodywork And Cosmetics:
Fairings, seat, fuel tank, fenders, body panel removal and installation.
Maintenance Procedures:
Routine service checks, oil changes, filter replacements, spark plug replacement, chain adjustment, brake fluid flush, coolant flush.
Repair Procedures:
Engine rebuilds, carburetor synchronization and tuning, suspension overhaul, brake caliper rebuilding, electrical component testing and replacement.
Troubleshooting:
Diagnostic charts and symptom-based troubleshooting for common mechanical and electrical issues.
Depth Of Information:
Extremely high. Covers everything from basic maintenance to full engine teardowns and component-level diagnostics. Suitable for professional mechanics and experienced enthusiasts.
Engine Type:
Liquid-cooled, 2-stroke, 90-degree V-twin.
Displacement:
249 cc (249.3 cc for some iterations).
Bore X Stroke:
54.0 mm x 54.5 mm (typical).
Horsepower Peak:
Approximately 70-72 hp at 11,000 rpm (depending on market and tuning).
Torque Peak:
Approximately 26-28 lb-ft (35-38 Nm) at 10,000 rpm (depending on market).
Redline:
Around 12,000-12,500 rpm.
Carburetion:
Twin Keihin PJ38 carburetor (or similar Dell'Orto in some markets).
Fuel Type Recommendation:
Premium Unleaded Gasoline (91+ octane).
Oil Delivery:
Autolube oil injection system.
Safety Certification:
Manufactured to meet road-legal safety standards for its era.
Braking System:
Dual front discs (e.g., 320mm) with twin-piston calipers, single rear disc (e.g., 220mm) with single-piston caliper.
Suspension Adjustability:
Typically offers front fork preload and damping adjustment; rear shock preload and rebound damping adjustment.
Dashboard Instruments:
Analog tachometer, speedometer, odometer, trip meter, temperature gauge, indicator lights (neutral, turn signals, oil, high beam).
Electronic Aids:
No electronic rider aids like ABS or traction control common on modern motorcycles; emphasizes pure mechanical feedback.
Charging Ports:
No factory-installed charging ports; aftermarket options may be available.
Oil Change Interval:
Refer to manual for specific recommendations, but typically every 3,000-5,000 km (1,800-3,000 miles) for regular use. Higher frequency for hard riding/track use.
Spark Plug Replacement Interval:
Typically every 8,000-12,000 km (5,000-7,500 miles), depending on plug type and usage.
Chain Lubrication Frequency:
Every 500-1,000 km (300-600 miles) and after riding in wet conditions.
Engine Oil Type:
2-stroke premix or oil injection oil meeting API TC or JASO FD standards.
Coolant Type:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Refer to manual for specific type.
Brake Fluid Type:
DOT 4 recommended for hydraulic brake systems.
Transmission Oil Type:
Manual transmission oil, e.g., SAE 80W-90 or similar (check manual for exact specification and capacity).
Common Wear Items:
Piston rings, crankshaft seals, clutch plates, swingarm bearings, steering head bearings, exhaust power valves.
Potential Problems:
Carburetor jetting issues, sticky power valves due to carbon buildup, electrical connector corrosion, aging fuel lines.
Engine Cylinder Head Bolts:
Specific torque sequence and values provided in manual (crucial for 2-stroke engines).
Wheel Axle Nut Torque:
Specified in manual, critical for safe operation.
Manufacturer Origin:
Aprilia is an Italian motorcycle manufacturer with a strong racing pedigree.
Development Basis:
The RS250's engine and chassis technology was heavily influenced by the highly successful Suzuki RGV250 Grand Prix racing motorcycles.
Production Years:
Primarily produced from 1995 to 2003.
Notable Versions:
Includes early models (Mk1) and later updated versions (Mk2), often with cosmetic and minor mechanical refinements. Special editions like the 'Trophy' or 'Challenge' might exist.
