Segment:
Dual-sport / Adventure motorcycle
Competitors:
BMW F650, Honda Transalp, Yamaha XT600/XT660
Versatility:
Designed for both on-road commuting and light off-road excursions.
Engine Type:
Single-cylinder Rotax engine (shared with BMW F650 models of the era).
Frame:
Steel tubular frame for robustness.
Suspension:
Long-travel suspension for accommodating varied terrain.
Engine:
Comprehensive coverage of the Aprilia Pegaso 650's single-cylinder, liquid-cooled engine.
Fuel System:
Details on carburetor systems (likely Mikuni) including tuning, cleaning, and component replacement.
Ignition System:
Information on the electronic ignition system, spark plug specifications, and troubleshooting.
Cooling System:
Radiator, fan, thermostat, coolant types, and procedures for flushing and refilling.
Transmission:
Coverage of the gearbox, clutch operation, lubrication, and internal components.
Suspension:
Front fork (likely Marzocchi or Paioli) and rear shock absorber (likely Sachs or similar) service, adjustments, and rebuilds.
Brakes:
Front and rear brake systems, including caliper service, pad replacement, fluid changes, and bleeding procedures.
Electrical System:
Wiring diagrams, battery maintenance, lighting, starter motor, charging system, and fuse box.
Chassis And Frame:
Frame inspection, component mounting, and alignment.
Wheels And Tires:
Tire pressure recommendations, wheel bearing service, and spoke tensioning.
Bodywork And Plastics:
Fairing removal and installation, seat, and other external panels.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, air filter service, spark plug replacement.
Troubleshooting:
Diagnostic charts for common starting, running, and electrical issues.
Engine Overhaul:
Detailed steps for engine disassembly, inspection, component replacement (pistons, rings, valves), and reassembly.
Carburetor Rebuild:
Step-by-step instructions for carburetor disassembly, cleaning, jetting, and reassembly.
Suspension Service:
Fork seal replacement, oil level checks and changes, shock absorber adjustment.
Brake System Maintenance:
Brake pad replacement, fluid flushing and bleeding, caliper seal replacement.
Electrical Component Testing:
Testing of stator, regulator/rectifier, and ignition coil.
Wheel Bearing Replacement:
Proper procedure for removing and installing wheel bearings.
Chain And Sprocket Replacement:
Guidance on replacing drive chain and sprockets.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and component overhauls.
Engine Type:
Single-cylinder, four-stroke, liquid-cooled, DOHC
Bore X Stroke:
100 mm x 83 mm
Horsepower:
Approx. 48 HP (36 kW) @ 6500 RPM (varies slightly by year/market)
Torque:
Approx. 57 Nm (42 lb-ft) @ 5200 RPM (varies slightly by year/market)
Fuel Capacity:
14 liters (approx. 3.7 US gallons)
Oil Type:
API SG/SH/SJ, JASO MA, SAE 10W-40 or 15W-50 motorcycle oil
Recommendation:
NGK CR8E or equivalent
Oil Change Interval:
Every 6,000 km (3,700 miles) or annually, whichever comes first.
Air Filter Service:
Every 6,000 km (3,700 miles) or more frequently in dusty conditions.
Spark Plug Replacement:
Every 12,000 km (7,500 miles).
Valve Clearance Check:
Every 12,000 km (7,500 miles).
Coolant Type:
Ethylene glycol-based antifreeze coolant, 50% mixture with distilled water.
Fork Oil Type:
SAE 10W (check manual for exact viscosity and quantity).
Transmission Oil Type:
EPX 80W-90 gear oil
Electrical Connectors:
Corrosion or loose connections in the wiring harness can cause intermittent electrical faults.
Regulator Rectifier:
Can be prone to failure, leading to charging system issues.
Carburetor Idle:
Carburetors may require periodic adjustment for stable idle, especially with age.
Suspension Leaks:
Front fork seals can degrade over time, leading to oil leaks.