Yamaha XJ 650 Turbo - 1983 Specifications and Reviews
The 1983 Yamaha XJ 650 Turbo is a pioneering turbocharged middleweight sport bike designed for riders seeking performance without excessive displacement. Its innovative turbo engine delivers 90 horsepower, blending everyday practicality with spirited riding dynamics. Best known for introducing turbocharging to the mid-sized market, it remains a significant milestone in motorcycle engineering history.
General information | |
| Category | Sport |
| Year | 1983 |
| Model | Yamaha XJ 650 Turbo |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Shaft drive (cardan) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Fuel system | Turbo |
| Bore x stroke | 63.0 x 52.4 mm (2.5 x 2.1 inches) |
| Compression | 8.5:1 |
| Power | 90.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 653.00 ccm (39.85 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 262.0 kg (577.6 pounds) |
Yamaha XJ 650 Turbo dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Dual disc |
| Rear tyre dimensions | 120/90-18 |
| Front tyre dimensions | 3.25-19 |
| | |
Speed and acceleration | |
| Top speed | 203.0 km/h (126.1 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 19.00 litres (5.02 gallons) |
Performance Profile & Rider Fit
90 hp
Peak Power
4.8s
0-60 mph
126.1 mph
Top Speed
Best For
Track35%
City45%
Cornering50%
Daily Riding55%
Touring65%
Passenger60%
Rider Profile
| Best For | Best suited to riders with some prior experience, since the turbocharged power delivery is laggy and can surge unexpectedly when the boost kicks in. |
| Purpose | A 1980s technological showcase blending shaft-drive touring comfort with a novelty turbocharged four-cylinder engine for effortless highway cruising. |
| Rider Fit | A substantial, heavy machine with a tall build that rewards riders of average-to-above-average height and strength when maneuvering it at low speeds. |
| Character | An eccentric, boost-driven cruiser-tourer that feels docile below the turbo threshold and surprisingly punchy once spooled up, appealing to fans of retro forced-induction quirkiness. |
| Not Ideal For | Not for riders seeking sharp cornering agility, off-road capability, or a modern, linear power delivery. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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