Market Segment:
Dual-purpose motorcycle, adventure touring segment, popular in European markets.
Competitors:
BMW R80G/S, Yamaha XT600, Honda XL600V Transalp, Suzuki DR650.
Design Philosophy:
Robust, versatile, capable on and off-road, developed with input from military applications.
Target Audience:
Riders seeking an adventure-capable motorcycle for touring and light off-roading, often used for military or police duties.
Primary Coverage:
Complete repair and service of the 1987 Cagiva T4-350
Secondary Coverage:
Maintenance, troubleshooting, disassembly, assembly, adjustments
Estimated Pages:
Varies, typically 300-500 pages for a comprehensive factory service manual of this era.
Manual Type:
Factory Service Repair Manual
Language:
English (typical for factory service manuals intended for international markets, but Italian original is possible)
Format:
Print (Original Factory Issued), Digital (PDF, Scanned Replica)
Engine:
Engine overhaul, carburetor tuning, ignition system, cooling system, lubrication system, exhaust system.
Transmission:
Gearbox removal and installation, clutch service, internal gear inspection and repair, shift mechanism.
Chassis And Suspension:
Front forks (dismantling, seal replacement, oil changes), rear shock absorber, swingarm, bearings, linkage.
Brakes:
Hydraulic brake system (master cylinders, calipers, lines), brake pad replacement, bleeding procedures, rear drum brake (if applicable).
Electrical System:
Wiring diagrams, lighting system, starting system, charging system (alternator, regulator), battery maintenance, ignition switch, horn.
Fuel System:
Fuel tank, fuel lines, fuel pump (if applicable), carburetor(s) (cleaning, adjustment, jetting), air filter.
Wheels And Tires:
Wheel bearing inspection and replacement, spoke tensioning (if applicable), tire pressure recommendations, tire replacement.
Frame And Bodywork:
Frame inspection, body panel removal and installation, seat, handlebars, footpegs.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, lubrication points, chain adjustment.
Troubleshooting:
Diagnostic flowcharts, common problems and solutions, symptom-based troubleshooting guides.
Repair:
Step-by-step repair procedures for all major components, including engine rebuilds and gearbox overhauls.
Disassembly Assembly:
Detailed instructions for removing and reinstalling all parts and sub-assemblies.
Adjustments:
Carburetor synchronization and idle speed, clutch cable slack, brake lever free play, ignition timing (if adjustable).
Depth:
Comprehensive (covers from basic maintenance to complete engine and transmission rebuilds, including electrical diagnostics).
Digital Format Quality:
High-resolution scans, searchable text (if OCR processed), clear image quality.
Print Quality:
Original factory printing quality (typically good paper stock, clear ink, durable).
Binding Type:
Original (stapled, perfect bound), Digital (PDF).
Paper Type:
Original (glossy or matte paper stock, depending on publication standards of the era).
Engine Type:
Four-stroke, air-cooled, V-twin
Displacement:
350 cc (approx. 348 cc)
Bore X Stroke:
Typically around 60 mm x 60 mm (exact figures should be verified in manual).
Compression Ratio:
Typically around 8.5:1 to 9.5:1 (exact figures should be verified in manual).
Horsepower:
Approximately 28-30 HP at 7000-7500 RPM (estimated).
Torque:
Approximately 28-30 Nm at 5500-6500 RPM (estimated).
Carburetor Type:
Twin Dell'Orto PHBH 30 (common configuration for this model, manual will specify exact type and settings).
Ignition System:
Electronic ignition (CDI), dual spark plugs.
Length:
Approx. 2150 mm (estimated)
Width:
Approx. 850 mm (estimated, including handlebars)
Height:
Approx. 1300 mm (estimated, including windscreen if fitted)
Seat Height:
Approx. 860 mm (estimated)
Dry Weight:
Approx. 170-180 kg (estimated)
Fuel Tank Capacity:
Approx. 22 Liters (including reserve)
Safety Ratings:
N/A (motorcycles of this era typically did not have standardized crash test ratings as cars do).
Braking System:
Front: Single Disc Brake, Rear: Drum Brake (typical for the model).
Lighting:
Halogen headlight, tail light, brake light, turn signals.
Frame Construction:
Steel tubular frame designed for robustness and off-road capability.
Infotainment System:
N/A (basic instrumentation: speedometer, tachometer, odometer, indicator lights).
Driver Assistance Features:
N/A (motorcycle of this era focused on mechanical performance).
Connectivity Features:
N/A
Oil Change Interval:
Typically every 3,000-5,000 km or annually, whichever comes first (manual will provide precise intervals).
Spark Plug Replacement:
Every 6,000-10,000 km (or as specified by plug type, manual will confirm).
Valve Clearance Check:
Typically every 6,000-12,000 km (manual will specify exact interval and tolerances).
Engine Oil Type:
SAE 20W-50 or 10W-40 motorcycle specific oil (check manual for exact API/JASO rating).
Fork Oil Type:
Typically SAE 10W or 15W fork oil (capacity and specific type detailed in manual).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (manual will specify exact type).
Common Wear Items:
Carburetor synchronization, fuel line degradation, swingarm bearings, fork seals, electrical connections (corrosion).
Potential Problems:
Stator output issues, carburetor jetting sensitivity to altitude/modification, exhaust pipe corrosion.
Cagiva Origin:
Italian motorcycle manufacturer, known for performance and off-road prowess, often featuring strong engine designs (e.g., Ducati engines in early models, Rotax engines later).
T4 Lineage:
Part of Cagiva's successful range of dual-sport and adventure motorcycles, building on experience from models like the Elefant. The T4 series was designed to be more accessible and versatile.
Production Period:
Mid-1980s to early 1990s.
Manufacturing Location:
Italy
