Category:
Dual-Sport / Adventure Motorcycle
Target Audience:
Owners and independent mechanics seeking in-depth maintenance and repair guidance.
Competitors 1997:
BMW F650GS, Kawasaki KLR650, Suzuki DR650SE, Yamaha XT600E.
Aprilia Pegaso Identity:
Known for its Rotax engine, comfortable ergonomics, and versatility for both on-road and light off-road use.
Primary Coverage:
Mechanical Repair and Maintenance
Secondary Coverage:
Engine, Fuel System, Electrical System, Chassis
Estimated Page Count:
300-400
Type:
Factory Service Repair Manual
Languages Included:
English, Italian, Spanish
Format:
Digital (likely PDF)
Engine Systems:
Engine disassembly, assembly, component checks, timing, lubrication, cooling.
Fuel System:
Carburetor tuning and overhaul, fuel pump, fuel lines, fuel tank.
Clutch:
Clutch inspection, adjustment, replacement, hydraulic system.
Radiator:
Cooling system, radiator inspection, leak testing, coolant replacement.
Exhaust System:
Exhaust pipe inspection, muffler, exhaust manifold.
Engine Electrics:
Ignition system, starter motor, alternator, wiring diagrams, sensor testing.
Chassis Systems:
Suspension (front and rear), steering system, braking system (front and rear), wheels and tires.
Maintenance Procedures:
Regular service intervals, oil changes, filter replacements, chain adjustment, spark plug replacement, valve clearance adjustment.
Repair Procedures:
Step-by-step instructions for component removal, installation, and overhaul.
Troubleshooting:
Diagnostic flowcharts and common issue identification for various systems.
Depth:
Comprehensive, covering routine maintenance to major component overhauls and electrical diagnostics.
Engine Type:
4-stroke, Single Cylinder, Liquid-Cooled
Engine Displacement:
652 cc
Engine Bore X Stroke:
100 mm x 83.6 mm
Engine Compression Ratio:
9.8:1 (Typical)
Engine Valve Train:
SOHC, 4 valves per cylinder
Horsepower Estimated:
48-50 HP @ 6250 RPM
Torque Estimated:
60-62 Nm @ 5000 RPM
Fuel Delivery:
Carburetor (e.g., Dell'Orto PHM 40)
Fuel Type:
Unleaded gasoline (min 95 RON)
Fuel Tank Capacity:
17 Liters (approx.)
Oil Type:
SAE 10W-40 or 15W-50, API SG/SH or higher (JASO MA)
Oil Capacity:
2.2 Liters (with filter change)
Length Overall:
2180 mm (approx.)
Width Overall:
840 mm (approx.)
Height Overall:
1260 mm (approx.)
Wheelbase:
1470 mm (approx.)
Seat Height:
870 mm (approx.)
Dry Weight:
186 kg (approx.)
Gross Vehicle Weight Rating:
Not specified, consult manual for limits.
Front Suspension:
Telescopic fork, 41mm diameter, 170mm travel
Rear Suspension:
Monoshock with adjustable preload, 175mm travel
Front Tire Size:
90/90-21
Rear Tire Size:
130/80-17
Front Brake:
Single 300mm disc with 2-piston caliper
Rear Brake:
Single 220mm disc with 1-piston caliper
Safety Certifications:
CE, EPA (depending on market)
Braking System:
Disc brakes front and rear, ABS not standard on this model year.
Lighting:
Halogen headlight, LED tail light
Instrument Cluster:
Analog speedometer, tachometer, odometer, trip meter, engine temperature warning light, oil pressure warning light, neutral indicator.
ABS:
ABS was not a standard feature on the 1997 model.
Connectivity Features:
None (analog systems)
Oil Change Interval:
Every 5,000 km or 6 months
Air Filter Cleaning:
Every 5,000 km
Valve Clearance Check:
Every 10,000 km
Spark Plug Replacement:
Every 10,000 km
Coolant Type:
Ethylene glycol-based antifreeze, 50% mix with distilled water
Common Wear Items:
Clutch plates, fork seals, carburetor diaphragms, swingarm bearings.
Electrical Gremlins:
Occasional issues with rectifier, stator, or voltage regulator, especially on higher mileage units. Wiring connections can corrode.
Engine Performance Notes:
Carburetor synchronization is critical for smooth running. Check for vacuum leaks.
Engine Mount Bolts:
Specific torque values for critical engine fasteners are detailed in the manual.
Wheel Axle Nuts:
Specific torque values for front and rear axle nuts are provided.
Aprilia Origins:
Italian manufacturer with a strong racing pedigree, transitioning into street bikes.
Pegaso Lineage:
The Pegaso series aimed to combine off-road capability with on-road comfort and performance.
Engine Source:
Utilized the Austrian Rotax 654 engine, known for its reliability and torquey nature.
Production Years First Gen:
1990-1997
Manufacturing Location:
Italy
