2026 Kawasaki Z650 vs 2026 Suzuki SV650 - Spec Comparison
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2026 Kawasaki Z650
The 2026 Kawasaki Z650 is a beginner-friendly naked bike powered by a 649cc parallel-twin engine producing 67.3 horsepower. Its lightweight construction, manageable power delivery, and agile handling make it ideal for new riders transitioning from smaller bikes. Known for its affordability and reliability, the Z650 balances modern features like fuel injection with classic styling.
2026 Suzuki SV650
The 2026 Suzuki SV650 is a versatile middleweight naked bike powered by a responsive 645cc V-Twin engine producing 73 horsepower. Ideal for beginners and experienced riders alike, it delivers a perfect balance of manageable power, agile handling, and affordability, making it a timeless choice for everyday riding and weekend adventures.
2026 Kawasaki Z650 vs 2026 Suzuki SV650: the key differences
Both are naked bikes, so this is a like-for-like choice.
- The 2026 Suzuki SV650 makes 6 hp more (67 vs 73 hp).
- The 2026 Kawasaki Z650 is 9 kg lighter (189 vs 198 kg).
- The 2026 Suzuki SV650 has a 20 mm lower seat (785 vs 805 mm), which helps shorter riders.
2026 Kawasaki Z650: Built as an everyday naked bike for commuting, learning, and spirited weekend rides rather than outright performance or long-distance touring.
2026 Suzuki SV650: A versatile naked roadster built for spirited street riding, commuting, and learning proper cornering technique rather than outright speed or long-distance touring.
Verdict: Choose the 2026 Kawasaki Z650 if you want lighter weight. Choose the 2026 Suzuki SV650 if you want more power and a lower seat. Check the full table below for every figure, and the size comparison for fit.
| Specification | 2026 Kawasaki Z650 | 2026 Suzuki SV650 |
|---|---|---|
| Other | ||
| Category | Naked | Naked |
| Color Options | Metallic Spark Black/Green Metallic Spark Black/Red Metallic Spark Black/Red Metallic Matte Dark Gray/Metallic Spark Black Metallic Matte Dark Gray/Metallic Spark Black | Pearl Matte Shadow Green/Metallic Matte Black |
| Comments | Smartphone Connectivity via RIDEOLOGY THE APP, TFT Instrumentation. | - |
| Engine | ||
| Capacity: | 649.0 ccm (39.60 cubic inches) | 645.0 ccm (39.36 cubic inches) |
| Engine Type | Parallel Twin, four-stroke | V-Twin, four-stroke |
| Fuel Consumption | 4.50 litres/100 km (22.2 km/l or 52.27 mpg) | ✓3.40 litres/100 km (29.4 km/l or 69.18 mpg) |
| Bore x Stroke | 83.0 x 60.0 mm (3.3 x 2.4 inches) | 81.0 x 62.6 mm (3.2 x 2.5 inches) |
| Compression | 10.8:1 | 11.2:1 |
| Cooling System | Liquid | Liquid |
| Fuel System | Injection | Injection |
| Starting | Electric | Electric |
| Ignition | TCBI with electronic advance | Transistorised |
| Lubrication System | Forced lubrication, semi dry sump | Wet sump |
| Valves Per Cylinder | - | 2 |
| Performance | ||
| Power | 67.0 HP (49.1 kW) @ 8000 RPM | ✓73.0 HP (53.3 kW) @ 8500 RPM |
| Torque | ✓64.0 Nm (6.5 kgf-m or 47.2 ft.lbs) @ 6700 RPM | ✓64.0 Nm (6.5 kgf-m or 47.2 ft.lbs) @ 6800 RPM |
| Power/Weight Ratio | 0.3939 HP/kg (dry) | 0.4345 HP/kg (dry) |
| Chassis & suspension | ||
| Frame | Trellis, high-tensile steel | Trellis, steel |
| Front Suspension | 41 mm telescopic fork | Telescopic, coil spring, oil damped |
| Rear Suspension | Horizontal Back-link with preload adjustment | Link type, single shock, coil spring, oil damped |
| Front Wheel Travel | 124 mm (4.9 inches) | 125 mm (4.9 inches) |
| Rear Wheel Travel | 130 mm (5.1 inches) | 63 mm (2.5 inches) |
| Rake (fork angle) | 24.0° | 25.0° |
| Trail | 99 mm (3.9 inches) | 104 mm (4.1 inches) |
| Ground Clearance | 130 mm (5.1 inches) | 135 mm (5.3 inches) |
| Transmission | ||
| Gearbox | 6-speed | 6-speed |
| Transmission Type | Manual | Manual |
| Final Drive | Chain | Chain |
| Clutch | Assist and Slipper Clutch | Wet, multi-plate |
| Brakes & wheels | ||
| Front Brakes | Double disc. Petal-type rotors with two-piston calipers. Optional ABS. | Double disc. 4-piston calipers. Optional ABS. |
| Front Brakes Diameter | 300 mm (11.8 inches) | 290 mm (11.4 inches) |
| Rear Brakes | Single disc. Petal disc. Single-piston. Optional ABS. | Single disc. 1-piston caliper. Optional ABS. |
| Rear Brakes Diameter | 220 mm (8.7 inches) | 240 mm (9.4 inches) |
| ABS | Optional | Optional |
| Front Tyre | 120/70-17 | 120/70-ZR17 |
| Rear Tyre | 160/60-17 | 160/60-ZR17 |
| Dimensions & weight | ||
| Wheelbase | 1410 mm (55.5 inches) | 1445 mm (56.9 inches) |
| Overall Length | 2055 mm (80.9 inches) | 2140 mm (84.3 inches) |
| Overall Width | 805 mm (31.7 inches) | 760 mm (29.9 inches) |
| Overall Height | 1080 mm (42.5 inches) | 1090 mm (42.9 inches) |
| Seat Height | 805 mm (31.7 inches) | ✓785 mm (30.9 inches) |
| Dry weight | 170.1 kg (375.0 pounds) | ✓168.0 kg (370.4 pounds) |
| Wet Weight | ✓189.0 kg (416.7 pounds) | 198.0 kg (436.5 pounds) |
| Fuel Capacity | ✓15.10 litres (3.99 US gallons) | 14.50 litres (3.83 US gallons) |
"Best" (✓) reflects that single spec only, not overall suitability - a bike can win on paper and still be the wrong choice for you. Ties are all marked; specs with no clear better/worse direction (e.g. displacement, wheel size) are never marked, only tinted where bikes differ.
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About this comparison tool
This tool puts up to four motorcycles side by side across their full specification sheets, drawn from a database of 43,000+ models and 1.60M+ individual specifications. Wherever a spec has a clear "better" direction - more power, less weight - the strongest figure in that row is highlighted automatically.
How to use it
Pick a make, model and year for each bike; the model and year lists update to match what you've selected. Two bikes are enough - use "Add another bike" for a third or fourth. Comparisons work across model years too, so you can compare a bike against its own earlier generation. Once you're happy with the lineup, use "Copy share link" to send it to someone else.
What gets compared
Specs are pulled from the same categories used throughout the site: engine and transmission (capacity, power, torque, gearbox), physical measures (weight, seat height, fuel and tank capacity), frame and dimensions, speed and acceleration, and brakes, suspension, frame and wheels (including tyres) - plus general information and maintenance data where it's on record for a bike.
How the highlighting works, and its limits
A highlighted cell means one bike has the clearly better raw number for that spec - more power, less weight, and so on. Fields where "better" genuinely depends on the rider - seat height above all - are deliberately never highlighted: a lower seat isn't automatically the right choice, it's a fit question only you can answer. Winning a row also isn't the same as winning the comparison - a bike can lead on paper in half the rows and still be the wrong bike for you.
Frequently asked questions
Can I compare bikes from different categories, like a scooter against a superbike?
Yes - the tool doesn't restrict what you compare, though a highlighted spec means less when the two bikes aren't really doing the same job.
What happens if a spec is missing for one of the bikes?
It shows as "-" and is never highlighted as a winner - a missing figure never beats one that's actually reported, and never blocks the rest of the row.
Are older model years included?
Yes - each bike's year list covers every model year in the database, so you can compare this year's bike against an earlier generation of the same model.
How do I share a comparison?
Every comparison has its own stable URL - use "Copy share link", or just copy the address bar. The same bikes in the same order always produce the same link.