17 May. Sunday 2026
Z650RS - 2025 Specifications and Reviews
The 2025 Kawasaki Z650RS is a modern retro middleweight that blends classic styling with contemporary engineering, making it ideal for new riders and enthusiasts seeking approachable performance. Its 649cc parallel-twin delivers smooth, manageable power with 67.3 horsepower and 64.0 Nm torque, while the lightweight aluminum engine and DOHC design ensure responsive handling and reliability. Best known for combining vintage aesthetics with rider-friendly characteristics, it excels as an accessible gateway to motorcycling without sacrificing genuine capability.
2025
General information | |
| Color Options | Ebony, Ebony/Green Ebony/Green, Ebony/Yellow Ebony/Yellow |
| Category | Classic |
| Year | 2025 |
| Model | Kawasaki Z650RS |
Engine and Transmission Specifications | |
| Starting | Electric |
| Emission | 102.1 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel Consumption | 4.40 litres/100 km (22.7 km/l or 53.46 mpg) |
| Clutch | Assist and Slipper Clutch |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | TCBI with electronic advance |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection. DFI® with Keihin 36mm Keihin throttle bodies |
| Bore x Stroke | 83.0 x 60.0 mm (3.3 x 2.4 inches) |
| Compression Ratio | 10.8:1 |
| Max Torque | 64.0 Nm (6.5 kgf-m or 47.2 ft.lbs) @ 6500 RPM |
| Max Power | 67.3 HP (49.1 kW)) @ 8000 RPM |
| Engine Details | Die-cast aluminium cylinder and lightweight coated pistons |
| Engine Type | Twin, four-stroke |
| Capacity | 649.0 ccm (39.60 cubic inches) |
| | |
Physical measures and capacities | |
| Fuel Capacity | 12.00 litres (3.17 US gallons) |
| Wheelbase | 1405 mm (55.3 inches) |
| Ground Clearance | 125 mm (4.9 inches) |
| Overall Width | 800 mm (31.5 inches) |
| Overall Length | 2065 mm (81.3 inches) |
| Overall Height | 1115 mm (43.9 inches) |
| Seat Height | 820 mm (32.3 inches) If adjustable, lowest setting. |
| Power/Weight Ratio | 0.3869 HP/kg |
| Wet Weight | 187.0 kg (412.3 pounds) |
| Dry Weight | 174.0 kg (383.6 pounds) |
| | |
Z650RS dimensions and frame | |
| Wheels | Spoke-style cast wheels. Dunlop Sportmax Roadsport 2 tires |
| Rear Brakes | Single disc. Petal disc. Single-piston. ABS. |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Double disc. Petal-type rotors with two-piston calipers. ABS. |
| Rear Tyre | 160/60-ZR17 |
| Front Tyre | 120/70-ZR17 |
| Rear Wheel Travel | 130 mm (5.1 inches) |
| Rear Suspension | Horizontal Back-link with preload adjustment |
| Front Wheel Travel | 125 mm (4.9 inches) |
| Front Suspension | 41 mm telescopic fork |
| Trail | 100 mm (3.9 inches) |
| Frame | Trellis, high-tensile steel |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 Kawasaki Z650RS discussion group or the general Kawasaki discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Warranty | 12 Month Limited Warranty |
| Lighting | Round LED headlight |
| Instruments | Dual-dial instrumentation with multi-function LCD screen |
| Rake (fork angle) | 24.0° |
| Driveline | Sealed chain |
| Lubrication system | Forced lubrication, semi dry sump |
| Maximum RPM | 12500 |
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