Basic Information Identification Make: Aprilia Model: Pegaso 650 Year: 1997 Codes Model Code: MZ Introduction Market Position Market Segment: Adventure Touring / Dual-Sport Motorcycle Competitive Analysis Competitors: BMW F650 Funduro, Kawasaki KLR650, Suzuki DR650SE Key Features Engine Type: Liquid-cooled, four-stroke, single-cylinder Chassis Design: Steel tubular frame, long-travel suspension for off-road capability Intended Use: Versatile for commuting, touring, and light off-road riding Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Pages: 300+ Manual Type Type: Service Manual Language Language: English Format Format: Downloadable PDF Manual Coverage Systems Covered Engine System: Complete engine overhaul, tuning, carburetor adjustments, cooling system, lubrication system Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter replacement, carburetor operation and maintenance (e.g., Mikuni BSW34) Transmission System: Clutch operation, gear shifting mechanism, gearbox disassembly and assembly, lubrication Electrical System: Ignition system (CDI), starting system, charging system (alternator, regulator/rectifier), lighting, wiring diagrams, battery maintenance Chassis And Suspension: Front fork (Marzocchi), rear shock absorber (Monoshock), swingarm, wheel bearings, steering head bearings Braking System: Front and rear brake calipers, master cylinders, brake lines, pad replacement, bleeding procedures, disc inspection Bodywork And Frame: Frame inspection, fairing removal and installation, seat, fuel tank mounting, body panel fasteners Procedures Included Maintenance: Oil changes, filter replacements, spark plug checks, chain adjustment, brake inspections, tire pressure checks Troubleshooting: Diagnostic charts for common starting, running, and electrical issues Repair: Step-by-step instructions for major component overhauls and replacements Diagnostics: Component testing, electrical system diagnostics with specific resistance and voltage values Technical Depth Depth: Comprehensive, covering routine maintenance to full engine rebuilds and electrical system diagnostics Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval Print Quality Image Resolution: High-resolution diagrams and illustrations Readability: Optimized for digital viewing and printing Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Engine Specifications Primary Engine Engine Manufacturer: Rotax (BMW) Engine Displacement: 652 cc Bore X Stroke: 100 mm x 83 mm Compression Ratio: 10.0:1 Valve Train: SOHC, 4 valves per cylinder Performance Claimed Horsepower: 48 hp @ 6500 rpm Claimed Torque: 57 Nm (42 lb-ft) @ 5000 rpm Fuel System Carburetor Type: Mikuni BSW34 Fuel Capacity: 16 Liters (4.2 US gal) Engine Cooling Cooling System Type: Liquid-cooled Engine Lubrication Oil Type Specification: SAE 10W-40 API SG or higher Oil Capacity W Filter: 2.4 Liters (2.5 US qt) Transmission Standard Transmission Type: 5-speed constant mesh Optional Optional Transmission: N/A Features Clutch Type: Wet multi-plate Final Drive: Chain driven (525 O-ring chain) Dimensions Exterior Length: Approx. 2170 mm (85.4 in) Width: Approx. 820 mm (32.3 in) Height: Approx. 1350 mm (53.1 in) to seat, 1440 mm (56.7 in) to handlebars Weights Dry Weight: Approx. 175 kg (386 lbs) Gross Vehicle Weight Rating: Approx. 350 kg (772 lbs) Wheelbase Wheelbase: Approx. 1470 mm (57.9 in) Ground Clearance Ground Clearance: Approx. 200 mm (7.9 in) Seat Height Seat Height: Approx. 865 mm (34.1 in) Safety Features Ratings Crash Test Ratings: N/A (Motorcycle - manufacturer responsibility) Active Features Braking System Type: Dual Disc Front, Single Disc Rear Front Brake Specs: 298 mm disc, 2-piston caliper (often Brembo or Grimeca) Rear Brake Specs: 220 mm disc, 1-piston caliper Tire Size Front: 90/90-21 Tire Size Rear: 130/80-17 Passive Features Lighting: Halogen headlight, tail light, turn signals Technology Features Infotainment Infotainment System: Analog instrumentation (speedometer, tachometer, odometer, fuel gauge, temperature gauge) Driver Assistance ABS: Optional on some models, not standard on all 1997 versions. Connectivity Connectivity Features: N/A (analog era) Maintenance Service Intervals Oil Change Interval: Every 5,000 km (3,000 miles) or 6 months Spark Plug Replacement: Every 10,000 km (6,000 miles) Air Filter Cleaning: Every 5,000 km (3,000 miles) Chain Adjustment Lubrication: Every 1,000 km (600 miles) or after washing/rain Fluid Specifications Coolant Type: Ethylene glycol based coolant, 50% mixture with distilled water Brake Fluid Type: DOT 4 Fork Oil Type: SAE 10W (or equivalent suspension fluid) Fork Oil Capacity: Refer to manual, typically around 400-450ml per leg Known Issues Common Wear Items: Clutch plates, chain and sprockets, fork seals, regulator/rectifier Electrical Concerns: Occasional regulator/rectifier failure, stator output degradation Carburetor Idiosyncrasies: Mikuni BSW34 requires precise tuning for optimal performance and fuel economy; jetting can be sensitive to altitude and modifications. Vehicle History Brand Heritage Brand Origin: Italy Model Evolution Model Introduction Year: 1990 (Pegaso 650) 1997 Model Updates: Minor styling tweaks, potential carburetor recalibration, often shared engine with BMW F650. Production Production Period: 1990 - 2004 (original Pegaso 650 designation) Manufacturing Location: Italy Awards & Recognition Recognitions Industry Awards: N/A (Specific awards not widely documented for this model year) Ratings Owner Satisfaction: Generally positive for its versatility and ruggedness, though often compared unfavorably in pure performance to Japanese counterparts. Certifications Emissions Standards: Compliant with European emissions standards of the era.