Positioning:
The Aprilia Pegaso 650 series, encompassing the Strada and Trail variants, carved a niche in the adventure-touring and supermoto segments, offering a blend of performance, versatility, and Italian flair.
Competitors:
Competed with models like the BMW F650GS (single-cylinder), Suzuki DL650 V-Strom, and Yamaha XT660R/X during its production run.
Versatility:
The Strada variant focused on on-road agility and touring, while the Trail version offered more off-road capability with spoked wheels and longer travel suspension.
Engine Character:
The single-cylinder Rotax engine is known for its torquey delivery and reliable performance, well-suited for both city commuting and touring.
Completeness:
Provides exhaustive technical data and procedural guidance crucial for maintaining the unique Italian engineering of the Pegaso.
Systems Covered:
Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Clutch, Transmission, Chassis, Suspension (Front & Rear), Brakes (Front & Rear), Electrical System, Wiring Diagrams, Bodywork, Instrumentation, Lubrication, Maintenance, Troubleshooting, Repair Procedures.
Page Count:
Extensive (typical for comprehensive service manuals, estimated 300-500+ pages)
Manual Type:
Service and Repair Manual
Manual Scope:
Covers all aspects of repair, maintenance, and troubleshooting.
Format:
Digital Download (PDF)
Engine Mechanical:
Detailed breakdown and reassembly of the Rotax 654cc engine, including cylinder head, valves, pistons, crankshaft, connecting rods, timing components, and more.
Fuel And Emissions:
Fuel injection system (EFI), throttle body, fuel pump, injectors, fuel filter replacement, emissions control systems, and carburetor troubleshooting (if applicable to specific early models).
Ignition And Electrical:
Ignition system components (CDI, spark plugs, coils), starter motor, alternator, battery maintenance, lighting system, fuses, relays, and comprehensive wiring diagrams for all circuits.
Drivetrain:
Clutch operation and adjustment, gearbox components, gear shift mechanism, chain drive maintenance, and rear sprocket replacement.
Suspension And Steering:
Front fork overhaul, rear shock absorber adjustment and replacement, steering head bearings, and wheel bearing maintenance.
Braking System:
Front and rear brake caliper servicing, brake pad replacement, brake disc inspection, brake fluid bleeding, and master cylinder maintenance.
Bodywork And Chassis:
Fairing removal and installation, seat servicing, frame inspections, and minor body panel repairs.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, tire pressure checks, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, including starting problems, engine performance issues, electrical faults, and braking anomalies.
Engine Overhaul:
Complete engine rebuild procedures, from disassembly to reassembly, including critical torque specifications and clearances.
Electrical Diagnostics:
Guidance on interpreting wiring diagrams, testing electrical components, and tracing faults in the electrical system.
Component Replacement:
Detailed instructions for replacing major components such as the clutch, transmission gears, wheel bearings, fork seals, and brake calipers.
Diagnostics:
Includes fault finding charts and diagnostic trees for common issues.
Depth:
Comprehensive, covering everything from basic user maintenance to in-depth engine and electrical system repairs, suitable for both amateur and professional mechanics.
Engine Type:
Single-cylinder, four-stroke
Engine Displacement:
654cc (655cc in some later iterations)
Bore X Stroke:
100 mm x 83.7 mm
Engine Code:
Rotax 654 (derived from the BMW F650GS engine)
Valve Train:
4-valve DOHC (Double Overhead Camshaft)
Horsepower:
Approx. 48-50 hp @ 6500-7000 rpm (depending on market restrictions and specific model year)
Torque:
Approx. 60-62 Nm @ 5000-5500 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with 42mm throttle body
Fuel Type:
Unleaded gasoline (95 RON recommended)
Cooling Method:
Liquid-cooled
Oil Capacity:
Approx. 2.5 liters (with filter change)
Recommended Oil Grade:
SAE 10W-40 or 15W-50 (API SG or higher, JASO MA compliant)
Length:
Approx. 2170 mm (Strada) / 2230 mm (Trail)
Width:
Approx. 860 mm (Strada) / 870 mm (Trail)
Height:
Approx. 1290 mm (Strada) / 1370 mm (Trail - at screen)
Wheelbase:
Approx. 1460 mm
Dry Weight:
Approx. 183 kg (Strada) / 191 kg (Trail)
Gross Vehicle Weight Rating Gvwr:
Approx. 370 kg
Fuel Tank Capacity:
14 liters (including 2.5 liter reserve)
Dashboard Features:
Analog tachometer, digital speedometer, odometer, trip meters, fuel gauge, coolant temperature warning light, oil pressure warning light, neutral indicator.
ABS:
Optional ABS system for enhanced braking control.
Charging System:
12V electrical system with an alternator and battery, providing power for ignition, lights, and accessories.
Oil Change Interval:
Every 7,500 km or annually
Spark Plug Replacement Interval:
Every 15,000 km
Air Filter Cleaning Interval:
Every 7,500 km or annually
Chain Adjustment Interval:
Every 7,500 km or as needed
Coolant Type:
Ethylene glycol-based coolant (50% mixture with distilled water)
Common Problems:
Potential for stator failure, regulator/rectifier issues, occasional fuel pump malfunctions, and wear on the steering head bearings. Some owners report occasional electrical gremlins, typical of older Italian bikes.
Maintenance Recommendations:
Regular chain lubrication and adjustment, timely oil and filter changes, and consistent checking of coolant and brake fluid levels are crucial for longevity.