Market Position:
The Cagiva T4-350 R-E was a significant player in the dual-sport motorcycle market of the late 1980s, offering a blend of off-road capability and street usability. This manual targets owners and independent mechanics seeking to maintain and repair this specific model.
Competitive Analysis:
Competed with other European and Japanese dual-sport offerings of the era, such as Yamaha XT350, Honda XR350L, and some smaller displacement European brands. Its appeal often lay in its distinctive Italian styling and performance characteristics.
Key Features:
The manual provides a critical resource for enthusiasts to perform a wide range of maintenance and repair tasks, enabling them to preserve the performance and longevity of their vintage Cagiva motorcycle.
Coverage Areas:
General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Engine Control System, Chassis/Body, Restraint System, Axle
Periodic Lubrication Details:
Specific lubrication points and recommended lubricant types for chassis components, cables, and linkages.
Page Count:
Estimated 300-500 pages (typical for comprehensive service manuals of this era)
Manual Type:
All Service Repair Manual
Systems Covered:
Engine (internal components, top-end, bottom-end), Fuel System (carburetor/injection, fuel pump, lines), Ignition System, Electrical System (battery, charging, lighting, starter, sensors), Cooling System, Exhaust System, Transmission (gearbox, clutch, final drive), Suspension (forks, shocks, linkage), Brakes (front and rear systems, hydraulics, calipers, pads, rotors), Steering System, Chassis and Frame, Bodywork and Fairings, Wheels and Tires, Lubrication System, Emission Control Systems, Diagnostic Procedures
Wiring Diagram Coverage:
Detailed electrical system schematics including lighting, ignition, charging system, starter motor, and indicator circuits.
Chassis Body Coverage:
Frame inspection, swingarm maintenance, wheel bearing service, fairing and plastic component repair/replacement, seat and upholstery.
Procedures Included:
Routine maintenance checks and adjustments, scheduled servicing, component disassembly and reassembly, troubleshooting diagnostic procedures, repair of mechanical and electrical faults, lubrication specifications and intervals, torque specifications for critical fasteners, clutch adjustment and replacement, brake bleeding and pad replacement, suspension tuning and repair, electrical system diagnosis and repair (including wiring diagrams), carburetor/fuel injection system tuning and cleaning, engine rebuild procedures, frame and chassis inspection
Troubleshooting Procedures:
Systematic diagnostic guides for common problems, fault identification charts, and corrective actions.
Technical Depth:
Comprehensive, covering basic maintenance to complete engine and component overhauls, including in-depth troubleshooting guides and detailed repair instructions. Suitable for both novice DIY mechanics and experienced technicians.
File Access Requirements:
Adobe PDF Reader, WinZip (for potential archive files).
Compatibility:
All versions of Windows & Mac.
Print Quality:
High-resolution scans allowing for clear reproduction of diagrams, text, and images.
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Primary Engine:
348cc, single-cylinder, four-stroke, air-cooled engine (likely Rotax-derived)
Engine Layout:
Single cylinder, 4-stroke, vertical
Bore X Stroke:
Approximately 82mm x 66mm (typical for Rotax 350cc)
Compression Ratio:
Estimated 9.0:1 to 9.5:1
Horsepower:
Estimated 28-32 HP at around 7000 RPM
Torque:
Estimated 30-34 Nm at around 5500 RPM
Valve Train:
SOHC (Single Overhead Camshaft), 2 valves per cylinder
Fuel System:
Carburetor (likely a single Mikuni VM34 or similar, or possibly early fuel injection on R-E models depending on specific market)
Fuel Type:
Unleaded gasoline (95 RON recommended)
Fuel Tank Capacity:
Approximately 12-15 Liters (3.2-4.0 US Gallons)
Carburetor Size:
Likely 34mm (e.g., Mikuni VM34SS)
Length:
Approximately 2150 mm (84.6 inches)
Width:
Approximately 850 mm (33.5 inches)
Height:
Approximately 1200 mm (47.2 inches)
Wheelbase:
Approximately 1450 mm (57.1 inches)
Ground Clearance:
Approximately 250-280 mm (9.8-11.0 inches)
Dry Weight:
Approximately 140-150 kg (309-331 lbs)
Wet Weight:
Approximately 155-165 kg (342-364 lbs)
Safety Ratings:
N/A (Motorcycle specific safety ratings not typically applied like automotive)
Active Features:
Disc brakes front and rear, robust suspension for varied terrain, knobby tires for off-road traction.
Passive Features:
Sturdy frame construction, rider protection through fairings and seating position.
Oil Change Interval:
Every 3,000-5,000 km (1,800-3,000 miles) or annually, whichever comes first.
Air Filter Cleaning:
Every 1,000-2,000 km (600-1,200 miles), depending on operating conditions.
Spark Plug Replacement:
Every 6,000-10,000 km (3,700-6,200 miles).
Valve Clearance Check:
Every 5,000-8,000 km (3,000-5,000 miles).
Engine Oil Type:
SAE 10W-40 or 20W-50 motorcycle-specific API SG or higher, JASO MA approved.
Engine Oil Capacity:
Approximately 1.8 - 2.0 Liters (1.9 - 2.1 US Quarts) with filter change.
Transmission Oil Type:
Hypoid gear oil SAE 80W-90 (for final drive).
Coolant Type:
If liquid-cooled, typically a 50/50 mix of ethylene glycol antifreeze and distilled water. (Note: T4-350 R-E is primarily air-cooled, but oil coolers may be present).
Known Issues:
Potential for carburetor gumming if not run regularly, wear on kick-starter mechanism, aging electrical components (especially wiring insulation), fork seal leaks, and general wear and tear on suspension bushings due to age. The Rotax engine, while generally robust, can require specific torque values during reassembly and careful attention to decarbonization.
Electrical Gremlins:
Age-related degradation of wiring insulation, corrosion at connectors, and rectifier/regulator issues are common on motorcycles of this vintage.
Brand Heritage:
Cagiva is an Italian motorcycle manufacturer with a history dating back to 1978. Known for its innovative designs and performance-oriented motorcycles, often powered by engines sourced from other manufacturers like Rotax.
Model Evolution:
The T4 series, including the T4-350 R-E, represented Cagiva's entry into the popular dual-sport segment. The 'R-E' designation typically indicated electric start ('E') and potentially sportier tuning ('R'). This model evolved from Cagiva's earlier off-road and enduro offerings.
Engine Origin:
The T4-350 R-E commonly utilized a robust and reliable 350cc engine, often of Rotax origin, known for its good torque characteristics suitable for dual-sport riding.
Production Years:
The T4 series was produced in the late 1980s and early 1990s, with the 1987 model year being a key iteration.
