The Cagiva T4, produced in 1987, is a dual-purpose motorcycle designed for adventure touring and off-road excursions. Featuring a robust chassis and capable suspension, it offers versatility across various terrains. This machine, powered by an air-cooled V-twin engine available in 350cc and 500cc variants, is characterized by its distinctive styling and a competitive spirit against other dual-sport offerings of its era. Its heritage is evident in its design and engineering, providing enthusiasts with a unique and capable option for varied riding experiences.
This comprehensive workshop service and repair manual provides detailed, professional-level guidance for the Cagiva T4. It covers essential areas including engine mechanicals and electrical systems, fuel and ignition systems, cooling and lubrication, transmission, clutch, chassis, suspension, brakes, and the overall electrical system with wiring diagrams. The manual includes step-by-step instructions for disassembly, assembly, inspection, adjustment, repair, and troubleshooting, along with crucial maintenance schedules and technical specifications. This resource is invaluable for owners, mechanics, and technicians seeking to maintain, diagnose, and repair the T4, ensuring its optimal performance and longevity.
Engine Code:
Likely based on Ducati Pantah engine family
Market Position:
Dual-purpose motorcycle targeting adventure touring and off-road use, catering to enthusiasts seeking robust and capable machines for varied terrains. Positioned as a capable, if somewhat niche, offering in the adventure motorcycle segment of the late 1980s.
Competitive Analysis:
Competed against other European and Japanese dual-sport motorcycles of the era, such as BMW GS series (though smaller displacement), Honda Transalp, Yamaha Tenere, and Suzuki DR models. Its Italian design and engine character offered a distinct alternative.
Key Features:
Robust chassis, capable suspension for both on-road and off-road use, reliable (albeit sometimes temperamental) Italian V-twin engine, and a distinctive styling characteristic of Cagiva motorcycles.
Coverage Areas:
Full workshop service and repair
Page Count:
Not specified in product description, typically 200-400 pages for a full workshop manual
Manual Type:
Workshop Service & Repair Manual
Language:
Likely English, with potential for Italian or other languages depending on region
Format:
Downloadable (digital format, likely PDF)
Systems Covered:
Engine mechanical, engine electrical, fuel system, ignition system, cooling system, lubrication system, exhaust system, transmission, clutch, chassis, suspension (front and rear), brakes (front and rear), electrical system (wiring diagrams, components), bodywork, troubleshooting, periodic maintenance
Procedures Included:
Detailed step-by-step instructions, disassembly, assembly, inspection, adjustment, repair, troubleshooting, diagnostic procedures, maintenance schedules, specifications for torque, clearances, and fluid levels
Technical Depth:
Professional level, equivalent to dealer workshop manuals, suitable for comprehensive rebuilds and advanced diagnostics
File Format:
PDF (assumed for download)
Print Quality:
High quality, allowing for clear printing of diagrams and text
Binding Type:
N/A (Downloadable format)
Paper Type:
N/A (Downloadable format)
Engine Type:
Four-stroke, air-cooled, V-twin
Engine Displacement:
350cc and 500cc variants existed for the T4 model line. Specific displacement for this manual is 350cc and 500cc.
Horsepower 350:
Approx. 28-30 HP (estimated, actual figures may vary by tuning and market)
Horsepower 500:
Approx. 38-40 HP (estimated, actual figures may vary by tuning and market)
Torque 350:
Not specified, but expected to be around 25-30 Nm
Torque 500:
Not specified, but expected to be around 35-40 Nm
Fuel Delivery:
Carbureted
Carburetor Type:
Likely Dell'Orto PHF or similar dual carburetors (specific model TBC)
Fuel Type:
Unleaded gasoline (Octane rating appropriate for the era, likely 91 RON)
Transmission Type:
5-speed manual
Optional Transmission:
N/A
Clutch Type:
Wet multi-plate
Length:
Not specified, typical for dual-sport bikes of the era (approx. 2100-2200 mm)
Width:
Not specified, typical for dual-sport bikes of the era (approx. 800-900 mm)
Height:
Not specified, typical for dual-sport bikes of the era (approx. 1300-1400 mm)
Dry Weight:
Approx. 150-170 kg (estimated, actual figures vary by model variant)
Fuel Tank Capacity:
Approx. 18-20 Liters
Safety Ratings:
N/A (Motorcycle safety ratings not standardized in the same way as cars for this era)
Active Safety Features:
Responsive braking system (disc brakes front and rear), predictable handling characteristics
Passive Safety Features:
Sturdy frame construction, protective fairing (if equipped), handguards
Infotainment System:
N/A (Basic instrumentation: speedometer, tachometer, odometer, warning lights)
Driver Assistance Features:
N/A
Connectivity Features:
N/A
Oil Change Interval:
Typically every 3,000-5,000 km or annually, whichever comes first (refer to manual for exact spec)
Valve Clearance Check:
Typically every 6,000-10,000 km (refer to manual for exact spec)
Spark Plug Replacement:
Every 10,000-15,000 km (refer to manual for exact spec)
Engine Oil Type:
SAE 20W-40 or SAE 15W-40 motorcycle specific oil (refer to manual for exact spec and API/JASO rating)
Engine Oil Capacity:
Approx. 2.0 - 2.5 Liters (refer to manual for exact spec)
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact spec)
Coolant Type:
Not applicable (Air-cooled engine)
Gearbox Oil Type:
SAE 80W-90 gear oil (refer to manual for exact spec)
Known Issues:
Potential electrical system gremlins common in Italian bikes of this era, carburetor tuning sensitivity, occasional wear on cam lobes or valve guides with high mileage, clutch wear.
Brand Heritage:
Cagiva, an Italian motorcycle manufacturer founded in 1978, quickly gained a reputation for producing distinctive and often performance-oriented motorcycles. Known for its association with motorsport and acquiring brands like Husqvarna and Ducati (at different times).
Model Evolution:
The T4 model line was Cagiva's foray into the dual-purpose adventure motorcycle segment. It was designed to be versatile, capable of handling both paved roads and light to moderate off-road trails. The T4 350 and T4 500 represented different engine displacements within this family.
Production Period:
Mid to late 1980s (specifically 1987 for this manual).
Manufacturing Location:
Italy
Recognitions:
Not widely documented for this specific model in terms of industry awards. Its appeal was more in its capability and Italian character.
User Ratings:
Varies; enthusiasts often praise its ruggedness and off-road capability, while acknowledging the need for dedicated maintenance.
