Target Audience:
Cagiva T4 owners and independent repair shops seeking comprehensive technical documentation
Value Proposition:
Provides professional-level repair and maintenance information, enabling owners to service their motorcycles accurately and efficiently.
Alternatives:
Official Cagiva workshop manuals (often scarce or out of print), third-party repair guides (varying quality and completeness).
Detail Level:
'All Repairs Covered A-Z', 'All Major Repair Topics Covered In Great Detail'
Professional Equivalence:
Explicitly stated as 'Same Type Of Manual The Professionals Use'
Coverage Scope:
Full A-Z Service, Repair, and Workshop
Model Coverage:
All T4 350 and T4 500 models from 1987 onwards
Estimated Pages:
Comprehensive (specific page count not provided, but described as 'full & complete')
Type:
Service Repair Workshop Manual
Language:
English (implied by typical market for such manuals)
Engine:
Engine assembly, disassembly, tuning, lubrication, cooling system, fuel system, ignition system, exhaust system
Transmission:
Gearbox, clutch, final drive, chain drive maintenance
Chassis And Suspension:
Front forks, rear shock absorber, swingarm, steering head bearings, wheel bearings
Brakes:
Brake system overhaul, hydraulic lines, brake pads, calipers, master cylinders, disc inspection
Electrical System:
Wiring diagrams, battery, charging system, lighting, ignition, starter motor, instruments
Bodywork And Frame:
Frame inspection, body panel removal/installation, seat, tank, fenders
Wheels And Tires:
Tire pressure, tire replacement, wheel balancing, spoke tensioning
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain lubrication and adjustment, spark plug replacement
Troubleshooting:
Diagnostic procedures for common and uncommon faults across all systems
Repair:
Detailed step-by-step instructions for component overhaul and replacement
Reassembly:
Correct reassembly sequences and torque specifications
Adjustment:
Carburetor tuning, ignition timing, clutch and brake lever adjustments
Depth:
Professional Grade - suitable for mechanics and experienced DIY users
Diagnostics:
Advanced diagnostic trees and fault code interpretation (where applicable)
Rebuild Specifications:
Detailed specifications for engine and gearbox rebuilding, including clearances and tolerances
Engine Type:
Four-stroke, twin-cylinder (likely V-twin based on Cagiva heritage and T4 model designation)
Engine Displacement 350:
Approximately 350cc (exact figure varies by specific sub-model and market)
Engine Displacement 500:
Approximately 500cc (exact figure varies by specific sub-model and market)
Cooling System:
Likely Air-Cooled (common for this era and type of motorcycle, but liquid-cooled is possible for some variants)
Valve Train:
DOHC or SOHC (details depend on specific engine variant, likely 2 or 4 valves per cylinder)
Horsepower 350:
Estimated 25-35 HP (subject to specific model variant and tuning)
Horsepower 500:
Estimated 35-45 HP (subject to specific model variant and tuning)
Torque Figures:
Specific torque figures not provided, but detailed in manual
Carburetion:
Likely Dual Carburetors (e.g., Dell'Orto PHF or similar, size dependent on engine displacement)
Fuel Type:
Unleaded gasoline
Ignition Type:
Electronic Ignition (CDI or similar)
General Type:
Dual-Sport / Enduro Motorcycle
Seat Height:
Specific figures vary by model, but generally accessible for dual-sport
Dry Weight Approx 350:
Approximately 150-170 kg (1987 T4 350)
Dry Weight Approx 500:
Approximately 160-180 kg (1987 T4 500)
Safety Ratings:
N/A (Motorcycle safety ratings are not standardized like automotive crash tests)
Braking System:
Front and Rear Disc Brakes (specific caliper counts and disc sizes vary)
Lighting:
Headlight, taillight, brake light, turn signals
Infotainment Features:
Basic motorcycle instrumentation: speedometer, tachometer, odometer, indicator lights.
Driver Assistance Features:
N/A (No electronic rider aids typical for this era)
Connectivity Features:
N/A
Oil Change Interval:
Typically every 3,000 - 5,000 km or annually (detailed in manual)
Chain Maintenance:
Lubrication and tension check every 500-1000 km, adjustment as needed
Spark Plug Replacement:
Generally every 6,000 - 10,000 km or as specified
Engine Oil Type:
SAE 10W-40 or 20W-50 API SG/SH or JASO MA motorcycle oil (specific grade detailed in manual)
Engine Oil Capacity:
Approximately 1.5 - 2.0 liters (exact capacity in manual)
Brake Fluid:
DOT 4 or DOT 5.1 (check manual for specific recommendation and interval for flushing)
Fork Oil:
Specific viscosity (e.g., 5W, 10W) and volume per fork leg (detailed in manual)
Electrical Connections:
Corrosion and poor connections in wiring harness, especially at connectors and grounds, are common in bikes of this age.
Carburetor Maintenance:
Carburetors can require periodic cleaning and synchronization due to age and potential fuel deposits.
Suspension Seals:
Fork seals and rear shock absorber seals may degrade over time, leading to leaks.
Valve Clearance:
Regular valve clearance checks and adjustments are crucial for optimal engine performance and longevity.
Cagiva History:
Cagiva was an Italian manufacturer known for its performance motorcycles, often utilizing advanced engineering and design. They produced a range of street, off-road, and racing bikes.
T4 Series:
The T4 series represented Cagiva's foray into the dual-sport segment, combining off-road capabilities with street-legal features. It was designed as a rugged and versatile machine.
Engines Used:
The T4 models often utilized Cagiva's own V-twin engines or engines sourced from other manufacturers (like Ducati during periods of shared ownership), adapted for the dual-sport role.
Production Period:
The T4 series was produced through the late 1980s and into the 1990s, with the '1987 Onward' indicating its continuous production and potential for updates.
