14 August. Friday 2026
Kawasaki Z 400 J - 1983 Specifications and Reviews
The 1983 Kawasaki Z 400 J is a lightweight naked bike ideal for new riders and commuters. Its compact 399cc four-cylinder engine delivers reliable performance with a manageable 27 horsepower, while the air-cooled design ensures simplicity and affordability. Known for excellent fuel efficiency and nimble handling, it remains a practical middleweight choice for everyday riding.
General information | |
| Category | Naked bike |
| Year | 1983 |
| Model | Kawasaki Z 400 J |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Bore x stroke | 52.0 x 47.0 mm (2.0 x 1.9 inches) |
| Compression | 9.5:1 |
| Power | 27.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 399.00 ccm (24.35 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 210.0 kg (463.0 pounds) |
Kawasaki Z 400 J dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Dual disc |
| Rear tyre dimensions | 3.75-18 |
| Front tyre dimensions | 3.25-19 |
| | |
Speed and acceleration | |
| Top speed | 154.0 km/h (95.7 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 16.50 litres (4.36 gallons) |
Performance Profile & Rider Fit
27 hp
Peak Power
8.5s
0-60 mph
95.7 mph
Top Speed
Best For
Track30%
City65%
Cornering60%
Daily Riding60%
Touring40%
Passenger35%
Rider Profile
| Best For | This is a friendly, forgiving machine well suited to newer riders or those returning to biking after time away. |
| Purpose | It was built as an accessible small-displacement naked bike for everyday commuting and learning classic four-cylinder character rather than outright performance. |
| Rider Fit | Its modest weight and low seat make it easy to manage at a stop and comfortable for smaller or less experienced riders. |
| Character | The air-cooled inline-four DOHC engine gives a smooth, characterful buzz and classic retro appeal rather than raw speed. |
| Not Ideal For | It is not the right choice for riders seeking serious highway touring range, passenger comfort, or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 1983 Kawasaki Z 400 J is a classic motorcycle that offers a smooth and powerful ride. With its 398cc engine, it delivers a thrilling performance that will satisfy any rider. The sleek design and comfortable seating make it a joy to ride both in the city and on the open road. The handling is responsive, and the overall build quality is top-notch. Whether you're a seasoned rider or a beginner, the Z 400 J is a reliable and fun choice for your next motorcycle. If you're in the market for a vintage motorcycle, the 1983 Kawasaki Z 400 J is a great option to consider. Its timeless design and impressive performance make it a standout choice for riders of all levels. The smooth handling and powerful engine make for an enjoyable riding experience, while the comfortable seating allows for long and relaxing rides. Overall, the Z 400 J is a solid and dependable motorcycle that is sure to turn heads wherever you go.Add a Comment
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