Sport Tourers
1984Yamaha XJ 900 S
20 fields on record
The 1984 Yamaha XJ 900 S is a sport touring middleweight powered by an air-cooled 853cc inline-four engine producing 97 horsepower. Known for its balanced handling and practical shaft drive, it appeals to riders seeking versatility between spirited road riding and comfort. The XJ 900 S earned respect for combining performance with everyday usability in a relatively lightweight package.
- Capacity
- 853.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 244.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 97.0 HP (71.3 kW) @ 9000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed primarily for covering long distances comfortably while still offering respectable sporty performance.
- Built for
- A classic sport tourer that blends smooth inline-four power delivery with stable, confidence-inspiring road manners.
- Not ideal for
- Not ideal for off-road adventures or riders seeking a lightweight, flickable machine for tight urban commuting.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 853.0 ccm
- Power
- 97.0 HP (71.3 kW) @ 9000 RPM
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.3975 HP/kg (wet)
- Bore x stroke
- 67.0 x 60.5 mm
- Compression
- 9.6:1
- Cooling system
- Air
- Starting
- Electric
- 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
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- 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 | 1984 | 1987 | 1990 | 1992 | 1995 |
|---|---|---|---|---|---|
| Capacity | 853 cc | 853 cc | 853 cc | 853 cc | 892 cc |
| Dry weight | — | — | — | — | 239 kg |
| Seat height | — | — | — | — | 795 mm |
| Fuel capacity | 22 L | 22 L | 22 L | 22 L | 24 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 S?
The 1984 Yamaha XJ 900 S has a Capacity of 853.0 ccm (52.05 cubic inches).
What engine power does the Yamaha XJ 900 S have?
The 1984 Yamaha XJ 900 S has a Power of 97.0 HP (71.3 kW) @ 9000 RPM.
How many gears does the Yamaha XJ 900 S have?
The 1984 Yamaha XJ 900 S has a Gearbox of 5-speed.
How much does the Yamaha XJ 900 S weigh?
The 1984 Yamaha XJ 900 S has a Wet weight of 244.0 kg (537.9 pounds).
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