Segment:
Lightweight Sport Motorcycle / Commuter Motorcycle
Competitors Era:
Competed against similar displacement motorcycles from Japanese manufacturers like Yamaha, Honda, Suzuki, and Kawasaki, as well as other European marques.
Design Philosophy:
Cagiva was known for stylish Italian design and often incorporated innovative engineering solutions. The N90 likely emphasized performance and handling within its class.
Target Audience:
Riders seeking a sporty yet practical motorcycle for commuting and recreational riding.
Primary Focus:
Service, Repair, Workshop
Estimated Pages:
Variable, typically 300-600 pages for comprehensive manuals
Type:
Service and Repair Workshop Manual
Language:
Likely English (based on typical import documentation)
Format:
Likely Digital (PDF) for modern sales, potentially Print
Engine:
Engine mechanicals, fuel system, ignition system, lubrication, cooling, exhaust, emissions control
Transmission:
Gearbox (manual/automatic if applicable), clutch, drive shafts, final drive
Brakes:
Hydraulic system, discs/drums, calipers, master cylinder, parking brake
Electrical:
Wiring diagrams, charging system, starting system, lighting, instrumentation, ignition, body electronics
Suspension:
Front suspension, rear suspension, shock absorbers, springs, control arms
Steering:
Steering column, steering gear, power steering system (if equipped)
Bodywork:
Body panels, doors, glass, interior trim, chassis components
HVAC:
Heating, Ventilation, and Air Conditioning systems (if applicable)
Maintenance:
Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspections
Troubleshooting:
Diagnostic procedures for common faults, symptom-based troubleshooting guides
Repair:
Component removal and installation, engine rebuilds, transmission overhauls, brake system repairs, electrical component replacement
Adjustment:
Carburetor adjustment, ignition timing adjustment, brake adjustment, clutch adjustment
Depth:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds
Diagnostic Capability:
Includes diagnostic procedures and potential fault codes (if applicable to the era)
Digital Format:
PDF (Portable Document Format), optimized for digital viewing and printing
Print Readability:
High resolution for clear diagrams and text when printed
Printed Binding:
Coil-bound or perfect-bound for durability in workshop environments
Printed Paper:
Durable, possibly gloss or semi-gloss paper to resist shop grime
Engine Type:
Likely a single-cylinder or parallel-twin engine, common for this displacement in the late 80s/early 90s motorcycle segment.
Displacement:
Approx. 90cc (as per model designation, though could be slightly different depending on specific variant). This points towards a learner-legal or entry-level sportbike class.
Bore X Stroke:
Specific data would be in the manual, but typical for this displacement might be around 48-55mm bore and 48-52mm stroke.
Cooling System:
Likely Air-cooled or Liquid-cooled depending on performance tuning and model variant.
Horsepower:
Estimated 8-12 HP for a 90cc motor of this era, depending on state of tune and emissions regulations.
Torque:
Specific torque figures would be in the manual, generally proportional to horsepower for the displacement.
Fuel Delivery:
Carburetor(s), likely a single Dell'Orto or Mikuni unit
Carburetor Size:
Likely 24-30mm diameter for a single carburetor setup.
Ignition Type:
CDI (Capacitor Discharge Ignition)
Length:
Specifics vary, but typical for a 90cc sportbike would be around 1900-2000mm.
Width:
Specifics vary, but typically around 700-800mm.
Height:
Specifics vary, but typically around 1100-1200mm to seat height.
Dry Weight:
Likely in the range of 100-120 kg.
Fuel Capacity:
Likely 10-15 liters.
Front Tire Size:
Typical: 100/80-17 or 90/90-18
Rear Tire Size:
Typical: 120/80-17 or 110/80-18
Wheel Type:
Cast aluminum alloy wheels
Safety Standards:
Compliant with relevant European motorcycle safety regulations of the era.
Braking System:
Front disc brake, Rear drum brake (common for this class and era)
Lighting:
Halogen headlamp, LED or incandescent tail light and indicators.
Infotainment System:
Not applicable for this model and era. Basic instrumentation only.
Assistance Features:
None (ABS, traction control, etc. were not common on this class of motorcycle in 1990).
Connectivity Options:
None.
Dashboard Features:
Analog speedometer, tachometer (if equipped), odometer, trip meter, indicator lights (turn signals, oil pressure, high beam).
Oil Change Interval:
Typically every 3,000-5,000 km or annually.
Spark Plug Replacement:
Every 6,000-10,000 km.
Valve Clearance Check:
Every 10,000-15,000 km.
Engine Oil Type:
Likely SAE 10W-40 or 20W-50, API SG or higher specification motorcycle oil. Manual will specify exact type and viscosity.
Coolant Type:
If liquid-cooled: Ethylene glycol based antifreeze mixture with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid. Manual will specify the exact requirement.
Common Wear Items:
Clutch plates, chain and sprockets, brake pads/shoes, carburetor jets and seals, electrical connectors (corrosion).
Potential Engine Issues:
Carbon build-up in combustion chamber, stator coil failure, carburetor jetting issues if not maintained.
Manufacturer:
Cagiva is an Italian motorcycle manufacturer, founded in 1978 by Claudio Castiglioni. Known for acquiring brands like Ducati and Husqvarna.
N Series Context:
The 'N' series likely represented a range of commuter or entry-level sport motorcycles from Cagiva during the late 1980s and early 1990s.
Manufacturing Location:
Likely manufactured in Italy, the traditional home of Cagiva.
