Model Variant:
Diversion/Seca (depending on market)
Production Years Covered:
1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
Vehicle Segment:
Mid-size sport touring motorcycle.
Key Competitors:
Honda CB750, Kawasaki GPz750, Suzuki GSX750F Katana.
Manual Value Proposition:
Provides detailed, manufacturer-level information for essential maintenance and repair, empowering owners to save on labor costs.
Manual Target Audience:
Professional technicians and DIY enthusiasts seeking in-depth knowledge.
Engine System:
Detailed overhaul, troubleshooting, and maintenance for the XJ600 engine.
Fuel System:
Carburetor adjustment, cleaning, and troubleshooting.
Electrical System:
Includes comprehensive wiring diagrams, component testing, and troubleshooting.
Suspension System:
Front fork and rear shock absorber maintenance and repair.
Braking System:
Front and rear brake system service, including fluid replacement and caliper maintenance.
Drivetrain:
Clutch operation, transmission inspection, and final drive maintenance.
Cooling System:
Air-cooled engine management, including fin cleaning and related components.
Exhaust System:
Inspection and replacement of exhaust components.
Frame And Bodywork:
Chassis inspection, fairing removal/installation, and related bodywork.
Periodic Maintenance:
Detailed schedules for routine checks, lubrication, and adjustments.
Engine Overhaul:
Step-by-step instructions for engine disassembly, inspection, and reassembly.
Troubleshooting:
Guidance for diagnosing and resolving common mechanical and electrical issues.
Tune Up:
Procedures for optimizing engine performance, including carburetor synchronization.
Repair Instructions:
Detailed, illustrated guides for specific repair tasks.
Diagnostics:
Methods for identifying faults within various vehicle systems.
Depth Of Information:
Suitable for professional technicians and advanced DIY mechanics, covering detailed rebuilds and complex diagnostics.
Engine Type:
4-stroke, DOHC, air-cooled, inline-four cylinder.
Bore X Stroke:
62.0 mm x 49.0 mm
Horsepower Est:
Approx. 60-65 HP @ 9000 RPM (varies slightly by market/tune).
Torque Est:
Approx. 50-55 Nm @ 7500 RPM (varies slightly by market/tune).
Carburetion:
Four Mikuni VM20SS carburetors (typically).
Fuel Type:
Unleaded gasoline (octane rating as per Yamaha specification).
Ignition Type:
CDI (Capacitor Discharge Ignition).
Overall Length:
Approx. 2,165 mm (varies by specific model variant/fairing).
Overall Width:
Approx. 750 mm (varies).
Overall Height:
Approx. 1,150 mm (varies).
Dry Weight:
Approx. 178 kg (varies).
Wet Weight:
Approx. 196 kg (varies).
Front Tire Size:
100/90-18 M/C 56H (common specification).
Rear Tire Size:
120/90-17 M/C 64H (common specification).
Front Wheel Size:
MT2.50 x 18
Rear Wheel Size:
MT2.75 x 17
Wheel Bolt Pattern:
N/A (Cast wheels)
Safety Standards:
Adheres to applicable safety regulations for motorcycles of its era. Specific crash test ratings not publicly available in modern formats.
Brakes:
Front: Dual disc brakes; Rear: Single disc brake.
Suspension:
Front: Telescopic forks; Rear: Monocross single shock absorber.
Lighting:
Halogen headlight, taillight, turn signals.
Oil Change Interval:
Typically every 3,000-5,000 km or 6 months, whichever comes first (refer to manual for exact specification).
Spark Plug Replacement:
Recommended at intervals such as 10,000-12,000 km.
Valve Clearance Check:
Typically every 10,000-15,000 km (requires engine disassembly, detailed in the manual).
Engine Oil Type:
Yamalube 4 (or equivalent API SG, JASO MA, SAE 10W-40 or 20W-40).
Engine Oil Capacity:
Approx. 3.2 liters with filter change (refer to manual).
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendations).
Coolant Type:
N/A (Air-cooled engine).
Fork Oil Type:
Yamaha Fork Oil (or equivalent SAE 10W).
Common Wear Items:
Carburetor synchronization issues, aging fuel lines, worn wheel bearings, potential voltage regulator failure.
Typical Repair Focus:
Carburetor cleaning and tuning, fuel system maintenance, electrical connection checks.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, has a rich history in motorcycles, known for innovation and performance across various categories.
Xj600 Development:
The XJ600 series was introduced as a more modern and performance-oriented evolution of Yamaha's inline-four offerings, aiming for a balance of sportiness and everyday usability. The 1984 model marked its debut.
Production Period:
1984-1992 (as covered by this manual).
Manufacturing Locations:
Primarily Japan (specific plant details may vary).