14 August. Friday 2026
Kawasaki Z900RS - 2021 Specifications and Reviews
The 2021 Kawasaki Z900RS is a retro-styled middleweight that appeals to riders seeking classic aesthetics with modern performance. Powered by a 948cc inline-four producing 110 horsepower, it delivers responsive power and nimble handling in a timeless package. Known for blending vintage charm with reliable, everyday rideability and accessible performance.
General information | |
| Price as new | 4.2 See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. Compare with any other bike. |
| Category | Classic |
| Year | 2021 |
| Model | Kawasaki Z900RS |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Tuned stainless steel exhaust |
| Greenhouse gases | 123.0 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 5.30 litres/100 km (18.9 km/l or 44.38 mpg) |
| Driveline | Sealed chain |
| Clutch | Wet multi-disc, manual |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Forced lubrication, wet sump |
| Ignition | TCBI with electronic advance |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. DFI with 36mm Keihin throttle bodies |
| Valves per Cylinder | 4 |
| Bore x Stroke | 73.4 x 56.0 mm (2.9 x 2.2 inches) |
| Compression | 10.8:1 |
| Torque | 98.5 Nm (10.0 kgf-m or 72.7 ft.lbs) @ 6500 RPM |
| Power | 110.0 HP (80.3 kW) @ 8500 RPM |
| Engine type | In-line four, four-stroke |
| Capacity: | 948.0 ccm (57.85 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. ABS. Single-piston caliper. |
| Diameter | 300 mm (11.8 inches) |
| Front brakes | Double disc. ABS. Four-piston calipers. |
| Rear tire | 180/55-ZR17 |
| Front tire | 120/70-ZR17 |
| Rear wheel travel | 140 mm (5.5 inches) |
| Rear Suspension | Horizontal back-link swingarm with stepless adjustable rebound damping and spring preload |
| Front wheel travel | 119 mm (4.7 inches) |
| Front Suspension | Inverted telescopic fork with (13-way) adjustable compression and rebound (11-way) damping, spring preload (15-turn |
| Trail | 98 mm (3.9 inches) |
| Rake (fork angle) | 25.0° |
| Frame type | Tubular, diamond |
Physical measures and capacities | |
| Fuel capacity | 17.03 litres (4.50 US gallons) |
| Wheelbase | 1470 mm (57.9 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall width | 865 mm (34.1 inches) |
| Overall length | 2111 mm (83.1 inches) |
| Overall height | 1181 mm (46.5 inches) |
| Seat height | 836 mm (32.9 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 215.1 kg (474.1 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Traction control. |
| Factory warranty | 12 Month Limited Warranty |
| Light | LED headlight |
| Starter | Electric |
| Color options | Candytone Green/Yellow |
Performance Profile & Rider Fit
110 hp
Peak Power
3.6s
0-60 mph
Best For
Track40%
City70%
Cornering75%
Daily Riding78%
Touring62%
Passenger60%
Rider Profile
| Best For | Suits riders from confident intermediates to seasoned veterans who appreciate a torquey, classic-styled in-line four. |
| Purpose | Built for stylish street riding and weekend backroad cruising rather than outright performance or track work. |
| Rider Fit | A moderate 215 kg wet weight and 835 mm seat height make it manageable for most riders of average height and strength. |
| Character | A retro-styled naked roadster that blends nostalgic Z1-inspired looks with modern chassis manners and smooth four-cylinder power delivery. |
| Not Ideal For | Not ideal for off-road adventures or riders seeking a lightweight, hyper-aggressive supersport experience. |
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 2021 Kawasaki Z900RS is a modern classic motorcycle that embodies the spirit of the original Z1 from the 1970s. With its retro-inspired design and powerful performance, this bike stands out in the crowded market of modern classics. The 948cc inline-four engine provides a thrilling ride, while the advanced chassis and suspension deliver precise handling and a comfortable ride. The Z900RS also features modern technology such as traction control and multiple riding modes, making it a versatile and practical choice for riders looking for a blend of timeless style and contemporary performance. Overall, the 2021 Kawasaki Z900RS is a fantastic motorcycle that pays homage to the iconic Z1 while offering the latest in performance and technology. Its retro design, powerful engine, and modern features make it a standout choice in the modern classic category. Whether you're a fan of vintage motorcycles or simply appreciate a timeless aesthetic, the Z900RS is sure to impress with its balance of style and substance.Add a Comment
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