Sport Tourers
1984Yamaha XJ 900
21 fields on record
The 1984 Yamaha XJ 900 is a shaft-driven sport tourer from Yamaha's long-running XJ family. Its air-cooled 853cc inline four makes 97 hp through a five-speed gearbox and shaft drive, for a top speed of about 211 km/h. A 790 mm seat, 244 kg wet weight and 22-litre tank suit long-distance riding.
- Capacity
- 853.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 218.0 kg
- Seat height
- 790 mm
- Power
- 97.0 HP (71.3 kW)
What’s new for the 1984 Yamaha XJ 900
vs the 1983| Spec | 1983 | 1984 |
|---|---|---|
| Dry weight | — | 218.0 kg (480.6 pounds) |
| Seat height | — | 790 mm (31.1 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- This is a sport-touring UJM built for covering long distances comfortably while still offering respectable performance for spirited road riding.
- Built for
- A classic early-90s Japanese all-rounder with smooth, linear power delivery and a relaxed, upright riding position favoring stability over aggression.
- Not ideal for
- Not the right choice for riders seeking off-road capability or razor-sharp track-focused handling.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 853.0 ccm
- Power
- 97.0 HP (71.3 kW)
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.4450 HP/kg (dry)
- Bore x stroke
- 67.0 x 60.5 mm
- Compression
- 9.6:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Shaft
Performance
- Top speed
- 211.0 km/h (131.1 mph)
Dimensions & weight
- Seat height
- 790 mm
- Dry weight
- 218.0 kg
- Wet weight
- 244.0 kg
- Fuel capacity
- 22.00 litres
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Front tyre
- 100/90-18
- Rear tyre
- 120/90-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1983 | 1984 | 1986 | 1988 | 1991 | 1993 |
|---|---|---|---|---|---|---|
| Capacity | 853 cc | 853 cc | 891 cc | 891 cc | 891 cc | 892 cc |
| Dry weight | — | 218 kg | 218 kg | 218 kg | 218 kg | 218 kg |
| Seat height | — | 790 mm | 790 mm | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 22 L | 22 L | 22 L | 22 L | 22 L | 22 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha XJ 900?
The 1984 Yamaha XJ 900 has a Capacity of 853.0 ccm (52.05 cubic inches).
What engine power does the Yamaha XJ 900 have?
The 1984 Yamaha XJ 900 has a Power of 97.0 HP (71.3 kW).
How many gears does the Yamaha XJ 900 have?
The 1984 Yamaha XJ 900 has a Gearbox of 5-speed.
How much does the Yamaha XJ 900 weigh?
The 1984 Yamaha XJ 900 has a Dry weight of 218.0 kg (480.6 pounds).
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