Category:
Mid-size sport touring/cruiser motorcycle
Target Audience:
Owners seeking to perform maintenance and repairs, independent repair shops
Competitors Era:
Competed against bikes like Honda CB750 Custom, Kawasaki KZ750, Suzuki GS750
Engine Layout:
In-line four-cylinder
Drivetrain:
Shaft drive (NC models), Chain drive (N models - likely, though manual specifies both)
Styling:
Cruiser-inspired styling with custom elements
Reliability:
Yamaha's reputation for robust engineering
Engine:
Engine overhaul, tuning, diagnostics, lubrication, cooling system, fuel system, ignition system
Transmission:
Clutch, gearbox, final drive
Chassis:
Frame, suspension (front and rear), steering, wheels, tires
Brakes:
Brake system operation, maintenance, repair, bleeding procedures
Electrical:
Wiring diagrams, lighting, ignition, charging system, starting system, instrumentation
Bodywork:
Body panels, fairings, seating, controls
Maintenance:
Routine maintenance checks, lubrication schedules, filter replacements, chain adjustment
Troubleshooting:
Diagnostic procedures for common issues, fault finding guides
Repair:
Step-by-step repair instructions for all major components and systems
Disassembly Assembly:
Detailed instructions for component removal and reinstallation
Specifications:
Torque specifications, clearances, fluid capacities, electrical values
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, electrical system diagnostics
Configuration:
700cc (approx.) In-line 4-cylinder, DOHC, 2 valves per cylinder
Bore X Stroke:
Approximately 64.0 mm x 50.6 mm (specific to XJ700)
Compression Ratio:
Approximately 9.2:1
Cooling System:
Liquid-cooled
Horsepower Rating:
Approximately 70-75 HP at 9,000 RPM (estimated)
Torque Rating:
Approximately 45-50 lb-ft at 7,000 RPM (estimated)
Carburetion:
Four Mikuni constant-velocity carburetors (e.g., VM26SS)
Fuel Type:
Unleaded gasoline (minimum 86 octane)
Oil Type:
Yamaha specific motorcycle oil or equivalent API SE/SF, SAE 10W-40 or 20W-40
Oil Capacity:
Approx. 2.8 L (2.5 US qt) with filter change
Crash Safety:
N/A (Motorcycle safety ratings differ from automotive; emphasis on rider safety features)
Braking System:
Hydraulic disc front, Drum or Disc rear (depending on specific XJ700N/NC variant)
Lighting:
Halogen headlamp, tail light, turn signals
Controls:
Handlebar controls for safe operation
Features:
Basic instrumentation: speedometer, tachometer, odometer, trip meter, fuel gauge, indicator lights.
Features:
N/A (Motorcycle of this era predates modern electronic rider aids)
Oil Change:
Every 4,000 km (2,500 miles) or 6 months
Air Filter Cleaning:
Every 8,000 km (5,000 miles)
Spark Plug Replacement:
Every 16,000 km (10,000 miles)
Valve Clearance Check:
Every 24,000 km (15,000 miles)
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid
Coolant:
Permanent type antifreeze (ethylene glycol base) coolant (50/50 mixture with distilled water)
Carburetor Sync:
Carburetors may require periodic syncing for optimal performance and idle stability.
Electrical Connections:
Corrosion or looseness in electrical connectors can lead to intermittent issues.
Fuel System:
Clogged fuel filters or jets due to age and fuel quality.
Routine:
Oil and filter changes, chain/shaft drive maintenance, tire pressure checks, brake pad replacement.
