Model Years:
1995, 1996, 1997, 1998, 1999
Chassis Code:
Typically 4BR (for XJ600S Diversion, with potential variations for N model)
Engine Code:
4BR (common designation, check specific VIN)
Market Segment:
Middleweight Naked sportbike (XJ600N) and faired sport-touring (XJ600S Diversion) motorcycle.
Competitors:
Honda CB500, Kawasaki ER-5, Suzuki Bandit 400/600, Ducati Monster.
Engine Layout:
Inline-four cylinder, air-cooled (or oil-cooled).
Frame Type:
Steel diamond frame.
Target Audience:
Commuters, new riders, sport-touring enthusiasts looking for reliability and manageable performance.
Engine Systems:
Engine tune-ups, removal/installation, disassembly/assembly, lubrication system, fuel system (carburetion, fuel delivery), ignition system, exhaust system, cooling system (if applicable).
Transmission Drivetrain:
Transmission overhaul, clutch, gearbox, final drive (chain/sprockets).
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator/rectifier), starting system, lighting, ignition coils, sensors, electronic control units (if applicable).
Chassis Suspension Brakes:
Frame inspection, front forks (telescopic), rear shock absorber (monoshock or twin), steering system, brake systems (front disc, rear disc/drum depending on specific N variant), wheel bearing maintenance, suspension adjustments.
Bodywork Cosmetics:
Body panel removal/installation, fairings, seat, fuel tank, fenders, minor cosmetic repairs.
Maintenance Procedures:
Routine servicing, oil changes, filter replacements, spark plug checks/replacement, chain lubrication and adjustment, brake fluid changes, coolant flushes (if liquid-cooled), general inspection checklists.
Repair Procedures:
Detailed step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation.
Troubleshooting Diagnostics:
Problem identification, symptom analysis, diagnostic flowcharts, common fault finding procedures for engine, electrical, and mechanical issues.
Special Tools:
Identification and usage of specialized tools recommended or required by Yamaha for specific adjustments or repairs.
Technical Depth:
Advanced diagnostics, complete engine rebuilds, transmission overhauls, in-depth electrical system analysis, and detailed component specifications.
Engine Type:
Inline 4-cylinder, 4-stroke
Displacement:
598 cc (approximately)
Bore X Stroke:
62.0 mm x 49.6 mm (typical)
Cooling System:
Air-cooled (with possible oil cooler on some variants)
Valvetrain:
DOHC, 16 valves (4 valves per cylinder)
Horsepower:
Approximately 59-60 hp at 8,500 rpm (claimed)
Torque:
Approximately 51 Nm (37.6 lb-ft) at 7,500 rpm (claimed)
Carburetion:
Four Mikuni constant velocity (CV) carburetors, typically 34mm.
Fuel Capacity:
Approximately 18 liters (4.75 US gallons)
Overall Length:
Varies by model (faired vs. naked), approximately 2130 mm for Diversion.
Overall Width:
Varies by model, approximately 735 mm for Diversion.
Overall Height:
Varies by model, approximately 1210 mm for Diversion.
Dry Weight:
Approximately 186 kg (410 lbs) for Diversion.
Wet Weight:
Approximately 206 kg (454 lbs) for Diversion.
Safety Ratings:
Not applicable (motorcycle)
Braking System:
Dual front disc brakes, single rear disc brake (typical configuration for XJ600N/S).
Lighting:
Halogen headlight, taillight, turn signals.
Infotainment System:
N/A (Basic instrumentation: speedometer, tachometer, odometer, trip meter, neutral indicator, high beam indicator).
Driver Assistance Features:
N/A (Motorcycle of this era did not typically feature advanced rider aids like ABS or traction control as standard).
Connectivity Features:
N/A
Oil Change Interval:
Every 4,000 - 6,000 km (or annually).
Spark Plug Replacement:
Every 10,000 - 12,000 km (or as per manual inspection).
Chain Maintenance:
Lubricate and adjust chain every 1,000 - 1,500 km, inspect tension regularly.
Engine Oil Type:
Yamalube (or equivalent) SAE 10W-40 API SG or higher (check manual for specific viscosity and API rating).
Engine Oil Capacity:
Approximately 3.4 liters with filter change.
Brake Fluid Type:
DOT 4 (or DOT 3 for older systems, always verify with manual).
Coolant Type:
If liquid-cooled variant, use a permanent type ethylene glycol based coolant (e.g., Yamalube coolant).
Common Wear Items:
Clutch plates, brake pads, fork seals, spark plugs, tires, chain and sprockets.
Carburetor Sync:
Carburetors may require periodic synchronization for smooth running and optimal performance.
Electrical Connections:
Corrosion or looseness in electrical connectors can lead to intermittent issues.
Brand Focus:
Yamaha Motor Company is renowned for its long history in motorcycle manufacturing, known for innovation, performance, and reliability across various segments.
Predecessor:
The XJ600 series evolved from earlier Yamaha models, aiming to provide a versatile and user-friendly middleweight motorcycle.
Segment Positioning:
The XJ600N (naked) offered a more minimalist aesthetic, while the XJ600S Diversion provided a more practical, faired package for longer distances.
Production Period:
Mid-1990s (1995-1999 for this specific manual coverage).
Manufacturing Location:
Primarily Japan (Yamaha Motor Company).
Market Reception:
Generally well-regarded for its reliability, smooth engine, and ease of use, making it a popular choice for commuters and newer riders.
Durability Reputation:
Known for its robust engine and chassis, contributing to a reputation for good long-term durability when properly maintained.
