Built around Yamaha's sport touring motorcycle platform, the 1989 Yamaha XJ 600 features a 599 cc (36.6 cu in) air-cooled in-line four, four-stroke configuration. In factory specification, peak output is rated at 72 HP (52.6 kW) at 10,000 rpm while maximum torque reaches 53.9 Nm (39.8 lb-ft), transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 120.2 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the XJ 600 measures 212 kg (467 lbs) wet (curb), translating to a power-to-weight ratio of 0.34 HP/kg (2.94 kg per horsepower). Rider ergonomics and chassis geometry center around a 790 mm (31.1 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance. The 20-liter (5.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 198 km/h (123 mph).
Within MotoLibrary's Yamaha archive, this model family spans 8 indexed model years from 1984 to 1991, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
120.2 HP/L
Power-to-Weight
0.34 HP/kg (2.94 kg/HP)
Standover Height
790 mm (31.1 in)
Engine
Displacement599.0 ccm (36.55 cubic inches)
Engine TypeIn-line four, four-stroke
Engine DetailsIn-line four, four-stroke
Power72.0 HP (52.6 kW)) @ 10000 RPM
Torque53.9 Nm (5.5 kgf-m or 39.8 ft.lbs)
Compression10.0:1
Bore x Stroke58.5 x 55.7 mm (2.3 x 2.2 inches)
Valves/Cylinder2
Fuel SystemCarburettor. 4 x Mikuni BS32
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionCDI
CoolingAir
Transmission
Gearbox6-speed
Final DriveChain (final drive)
Performance
Top Speed198.0 km/h (123.0 mph)
Chassis
Front SuspensionTelescopic forks
Rear SuspensionMonocross rising rate with 5-way preload.
Wheels & Brakes
Front Tyre90/90-18
Rear Tyre110/90-18
Front BrakesDouble disc. Two-piston calipers.
Front Brake Ø267 mm (10.5 inches)
Rear BrakesSingle disc. Single-piston caliper.
Rear Brake Ø267 mm (10.5 inches)
Dimensions & Weight
Dry Weight212.0 kg (467.4 pounds)
Weight incl.212.0 kg (467.4 pounds)
Power/Weight0.3396 HP/kg
Seat Height790 mm (31.1 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
