Positioning:
Essential resource for Yamaha XJ900 XJ900S Diversion owners and independent workshops, aiming to reduce reliance on dealership service.
Value Proposition:
Offers access to professional-level repair information at a fraction of the cost of dealership labor, enabling DIY maintenance and repair.
Ease Of Use:
Designed for users with no prior technical knowledge, with clear instructions and organized content.
Accessibility:
Instant delivery via email download link, usable on PC and Mac computers.
Flexibility:
Printable pages allow for on-demand reference at the workbench, reducing wear and tear on a single physical copy.
Engine:
Complete overhaul, troubleshooting, diagnosis, tuning, performance adjustments
Fuel System:
Carburetor service, fuel pump, fuel lines, tank maintenance
Ignition System:
Spark plugs, coils, CDI unit, wiring diagnostics
Transmission:
Clutch operation, gearbox disassembly and assembly, gear selection diagnosis
Drivetrain:
Shaft drive system, universal joint maintenance, rear differential service
Cooling System:
Radiator, coolant, fan, thermostat service and inspection
Exhaust System:
Muffler, exhaust pipes, gasket replacement
Brakes:
Front and rear brake caliper service, master cylinder overhaul, bleeding procedures, pad replacement
Suspension:
Front forks service, rear shock absorber inspection and replacement, linkage maintenance
Steering:
Handlebar assembly, steering head bearing service, linkage lubrication
Electrical System:
Wiring diagrams, battery maintenance, charging system, starter motor, lighting system, instrument cluster diagnosis
Frame And Bodywork:
Chassis inspection, fairing removal and installation, seat service, fuel tank mounting
Maintenance:
Regular service checks, oil changes, filter replacements, lubrication points, brake fluid changes
Troubleshooting:
Diagnostic flowcharts for common and uncommon problems, symptom-based troubleshooting
Repair:
Step-by-step instructions for all major and minor repairs, component replacement guides
Rebuilding:
Complete engine rebuild procedures, gearbox overhaul, suspension component rebuilding
Restoration:
Guidance on restoring components to original specifications, finishing advice
Diagnostics:
Detailed explanations of diagnostic tests, fault codes (if applicable), and measurement procedures
Depth:
A-Z coverage, from basic maintenance to complex internal component repair and factory specifications
Engine Type:
Air-cooled, 4-stroke, DOHC, 2-valve per cylinder inline-four
Bore X Stroke:
71 mm x 58 mm
Compression Ratio:
9.5:1 (Typical)
Horsepower:
Approx. 85-90 PS @ 8000 rpm (Varies by market and specific model year)
Torque:
Approx. 75-80 Nm @ 6500 rpm (Varies by market and specific model year)
Fuel Delivery:
Mikuni BS36 carburetors (Quad)
Fuel Type:
Unleaded gasoline
Recommended Oil Viscosity:
10W-40 or 20W-50 (Consult manual for exact specification)
Recommended Oil Standard:
API SG or higher (Consult manual for exact specification)
Length:
Approx. 2170 mm (Varies by market)
Width:
Approx. 770 mm (Varies by market)
Height:
Approx. 1220 mm (Varies by market)
Dry Weight:
Approx. 233 kg (Varies by market)
Wet Weight:
Approx. 255 kg (Varies by market)
Front Tire Size:
120/70ZR17 M/C (58W) (Typical)
Rear Tire Size:
170/60ZR17 M/C (72W) (Typical)
Oil Change Interval:
Every 4,000-6,000 km or annually (Consult manual for exact specification)
Spark Plug Replacement Interval:
Every 10,000-12,000 km (Consult manual for exact specification)
Valve Clearance Check Interval:
Every 10,000-12,000 km (Consult manual for exact specification)
Brake Fluid Type:
DOT 4 (Consult manual for exact specification)
Coolant Type:
Ethylene glycol-based coolant with anti-corrosion additives (Consult manual for exact specification)
Common Wear Items:
Clutch wear, suspension wear, carburetor synchronization issues, potential stator failure (common on many Yamaha models of this era).
Maintenance Focus:
Regular carburetor cleaning and synchronization, shaft drive lubrication, and electrical system checks are crucial for longevity.
Heritage Focus:
Yamaha is renowned for its high-performance motorcycles, blending innovation with a strong racing heritage. The XJ series represents their commitment to versatile and reliable sport-touring machines.
Evolution Summary:
The XJ900 Diversion was introduced as a shaft-driven sport-touring motorcycle, offering a comfortable ride with capable performance. The XJ900S variant typically refers to the faired version for improved aerodynamics and wind protection.
Production Period:
The XJ900 Diversion platform was produced throughout the 1990s and into the early 2000s, with this manual covering a significant portion of its lifespan.
