Segment:
Sport/Enduro Motorcycle
Target Audience:
Owners, mechanics, and enthusiasts seeking detailed technical information for maintenance and repair of the Cagiva N 90.
Key Competitors:
Yamaha XT600, Honda XR600R, Suzuki DR650, Kawasaki KLR650 (depending on specific N90 variant and market focus).
Manual Value Proposition:
Provides comprehensive, factory-level technical data critical for maintaining the performance and longevity of the Cagiva N 90.
Manufacturer Focus:
Cagiva, an Italian manufacturer known for its sport and off-road motorcycles.
Engine:
Engine overhaul, top-end components, bottom-end components, lubrication system, cooling system.
Fuel System:
Carburetor (type and specifications), fuel pump, fuel lines, fuel tank, filtration.
Ignition System:
Ignition timing, spark plugs, coils, CDI unit, wiring diagrams.
Transmission:
Gearbox, clutch operation, transmission fluid, shift mechanism, internal components.
Chassis And Frame:
Frame inspection, steering head bearings, front forks, rear suspension (shock absorbers, linkages).
Braking System:
Front and rear brake systems (disc/drum), hydraulic components, brake fluid specifications, bleeding procedures.
Electrical System:
Battery, charging system (alternator/stator), lighting, starter motor, fuses, relays, wiring diagrams.
Wheels And Tires:
Wheel bearings, tire pressure specifications, wheel balancing, tire wear diagnosis.
Bodywork And Trim:
Body panel removal/installation, fairings, seat, fenders, aesthetic components.
Maintenance Tasks:
Oil changes, filter replacements, chain adjustment, brake pad inspection, spark plug replacement, air filter cleaning/replacement, valve clearance checks.
Troubleshooting:
Diagnostic charts for common starting issues, performance problems, electrical faults, and running irregularities.
Repair Procedures:
Step-by-step instructions for major component overhauls and repairs, including engine rebuilds, transmission servicing, and suspension overhauls.
Diagnostic Procedures:
Component testing methods, multimeter usage, diagnostic fault codes (if applicable).
Depth Level:
Expert level, covering from basic maintenance to full engine and transmission rebuilds.
Detail Level:
Detailed torque specifications, clearances, measurements, and schematics.
Engine Type:
Four-stroke, single-cylinder (likely based on common Cagiva designs of the era, specific details in manual).
Displacement:
Typically around 90cc for N 90 models (exact displacement to be confirmed by manual).
Bore X Stroke:
Specific dimensions provided in manual.
Compression Ratio:
Specifications detailed in manual.
Horsepower:
Estimates vary based on market and tuning, likely in the range of 8-15 HP for a 90cc class engine.
Torque:
Specifications detailed in manual.
Carburetor Type:
Single Downdraft Carburetor (e.g., Dell'Orto PHBH or similar, specific model detailed in manual).
Carburetor Size:
Diameter (e.g., 26mm, 28mm) specified in manual.
Fuel Type:
Unleaded gasoline.
Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 motorcycle-specific oil (confirm with manual).
Oil Capacity:
Approximately 1-1.5 liters (confirm with manual).
Overall Length:
Refer to manual for exact dimensions.
Overall Width:
Refer to manual for exact dimensions.
Overall Height:
Refer to manual for exact dimensions.
Dry Weight:
Estimates around 110-130 kg (confirm with manual).
Curb Weight:
Typically includes all necessary fluids.
Fuel Tank Capacity:
Approximately 9-12 liters (confirm with manual).
Safety Certification:
Meets relevant European and international motorcycle safety standards of the era.
Braking Performance:
Disc front, drum rear typical for this class; manual provides specifications for optimal performance.
Suspension Handling:
Designed for a balance of on-road and light off-road capability, with adjustments detailed in the manual.
Lighting System:
Headlight, tail light, brake light, turn signals (specifications and bulb types in manual).
Oil Change Interval:
Every 3,000-5,000 km or annually (refer to manual for precise interval).
Spark Plug Replacement:
Every 6,000-10,000 km (refer to manual for specific plug type and gap).
Air Filter Cleaning:
Every 3,000 km, replacement as needed (refer to manual).
Valve Clearance Check:
Every 8,000-12,000 km (refer to manual for specific clearances and procedure).
Chain Lubrication Adjustment:
Every 1,000 km or after washing/rain (refer to manual for specific slack).
Engine Oil Viscosity:
SAE 10W-40 or 20W-50 (motorcycle grade, confirm API rating).
Brake Fluid:
DOT 4 (confirm with manual).
Coolant Type:
If liquid-cooled, refer to manual for specific coolant mixture.
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, carburetor tuning sensitivity, electrical connections.
Carburetor Idiosyncrasies:
Dell'Orto carburetors can require precise adjustment for optimal performance; jetting may need tuning for altitude or modifications.
Electrical Gremlins:
Older Italian motorcycles can sometimes suffer from aging wiring insulation or connector corrosion, requiring inspection and cleaning.
Manufacturer Origin:
Cagiva is an Italian motorcycle manufacturer founded in 1978.
Brand Specialty:
Known for its performance-oriented motorcycles, including off-road, street, and racing models.
N90 Context:
The N 90 was part of Cagiva's range of smaller displacement, versatile motorcycles, often catering to enduro or dual-sport use, positioned for accessibility and everyday usability.
Production Period:
Covered by manual from 1990 onwards, suggesting production continued into the 1990s.
Manufacturing Location:
Primarily Italy.
