Category:
Middleweight Naked/Standard Sportbike
Target Audience:
Riders seeking a reliable, versatile, and engaging motorcycle for commuting, sport touring, and general use.
Competitors:
Honda CB750 (NC700/NC750 series), Kawasaki GPZ500S/ER-5, Suzuki GS500E, Ducati Monster series (entry-level models).
Engine Type:
Inline-four cylinder, liquid-cooled (though the XJ600s are often air-cooled with oil coolers, the provided info focuses on the XJ600N which is typically air-cooled).
Handling:
Known for its user-friendly handling and comfortable riding position, making it accessible for a wide range of riders.
Durability:
Yamaha's reputation for building robust and reliable engines and components.
Engine:
Complete overhaul, maintenance, troubleshooting, tuning, carburetor adjustments, ignition system, cooling system (air-cooled).
Transmission:
Clutch operation, gear shifting mechanism, internal transmission components, lubrication, troubleshooting.
Fuel System:
Carburetor identification and settings (likely Mikuni BS32), fuel pump (if applicable), fuel lines, fuel tank maintenance.
Electrical System:
Wiring diagrams, charging system (alternator, regulator/rectifier), starting system (starter motor, solenoid), lighting, ignition system components, fuses, relays, battery.
Chassis:
Frame inspection and repair, front fork (suspension, seals, oil), rear shock absorber, swingarm, bearings (steering head, wheel).
Brakes:
Front and rear brake system components (calipers, master cylinders, pads, discs, lines), bleeding procedures, hydraulic system troubleshooting.
Bodywork:
Handlebars, instrumentation, seat, fuel tank, fenders, side covers, lighting fixtures, minor body panel removal and installation.
Maintenance:
Scheduled maintenance charts, oil changes, filter replacements, chain adjustment, tire pressure checks, brake adjustments, spark plug replacement, valve clearance checks and adjustment.
Repair:
Step-by-step repair instructions for all major components, including engine teardown and reassembly, carburetor rebuilding, suspension servicing, brake system overhaul, electrical system diagnostics.
Troubleshooting:
Diagnostic flowcharts and common problem identification for engine performance, electrical issues, starting problems, and handling.
Overhaul:
Detailed procedures for complete engine disassembly, inspection, component replacement, and reassembly, including specifications for critical parts.
Depth:
Comprehensive (suitable for professional technicians and advanced DIY mechanics), covering everything from routine maintenance to complete engine rebuilds and advanced diagnostics.
Searchability:
Likely searchable text within the PDF, allowing for quick information retrieval.
Printability:
Full Printable (allows users to print specific sections or the entire manual)
Zoom Capability:
Yes (allows for magnification of diagrams and text)
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Engine Type:
Inline-four cylinder, DOHC, 4-stroke
Cooling System:
Air-cooled with oil cooler
Bore X Stroke:
62.0 mm x 49.6 mm
Compression Ratio:
10.0:1 (typical for this model)
Horsepower:
Approx. 60-65 HP at 9,000 RPM (manufacturer figures may vary)
Torque:
Approx. 50 Nm (37 lb-ft) at 7,500 RPM (manufacturer figures may vary)
Carburetors:
4 x Mikuni BS32 (Constant Velocity carburetors)
Fuel Capacity:
17 Liters (approx. 4.5 US gallons)
Safety Features:
Dual front disc brakes, rear drum or disc brake (depending on market/trim), responsive suspension, reliable chassis geometry.
Braking System Front:
Dual hydraulic disc brakes
Braking System Rear:
Hydraulic disc brake (or drum on some early models/markets)
Lighting:
Halogen headlight, LED taillight (typical for the era), turn signals.
Instrumentation:
Analog speedometer, tachometer, odometer, trip meter, coolant temperature warning light, oil pressure warning light, neutral indicator, turn signal indicators.
Rider Aids:
None (This era of motorcycle typically lacks electronic rider aids like ABS or traction control).
Connectivity Features:
N/A (No modern connectivity features like Bluetooth or smartphone integration).
Oil Change Interval:
Every 5,000 - 7,000 km (3,000 - 4,000 miles) or annually.
Valve Clearance Check:
Every 10,000 - 15,000 km (6,000 - 9,000 miles).
Spark Plug Replacement:
Every 15,000 - 20,000 km (9,000 - 12,000 miles).
Engine Oil Type:
SAE 10W-40 API SG or higher (e.g., Yamalube 4-Stroke 10W-40)
Engine Oil Capacity:
Approx. 3.4 Liters (3.6 US qt) without filter change, 3.8 Liters (4.0 US qt) with filter change.
Coolant Type:
Air-cooled with oil cooler; no engine coolant required for the primary engine.
Brake Fluid Type:
DOT 3 or DOT 4.
Fork Oil Type:
SAE 10W (specific viscosity may vary by manual revision).
Fork Oil Quantity:
Approx. 435 ml (14.7 US fl oz) per fork leg.
Carburetor Issues:
Carburetor synchronization and cleaning can be crucial for optimal performance, especially with age. Diaphragm wear can occur.
Electrical Connections:
Corrosion in electrical connectors, particularly for the charging system and ignition, can lead to starting or charging issues.
Suspension Wear:
Fork seals and rear shock absorber can wear over time, leading to damping loss and leaks.
Regulator Rectifier:
The regulator/rectifier unit is a known point of failure on many motorcycles of this era; failure can lead to battery charging issues.
Yamaha Legacy:
Yamaha Motor Corporation is renowned for its engineering prowess, performance motorcycles, and consistent innovation across various motorsports and recreational vehicles.
Predecessor:
The XJ600N is an evolution of Yamaha's XJ series, known for their versatile inline-four engines. It replaced earlier models like the XJ600 (51W) Diversion, offering a more naked and updated styling.
Production Period:
The XJ600/XJ600N generation was produced from the early 1990s through the early 2000s, with the specific 1995-1999 range representing a significant period for the naked variant.
