Kawasaki Z 650 (2019) vs Yamaha FJR1300 Ultimate Edition (2020) vs Kawasaki KDX 125SR (1993-96)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha | Kawasaki |
| Model: | Z 650 | FJR1300 Ultimate Edition | KDX 125SR |
| Years: | 2019 | 2020 | 1993-96 |
| Engine: | Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Two stroke, single cylinder, with KIPS |
| Capacity: | 649 cc / 39.65 cu /in | 1298 cc / 79.2 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 83 x 60 mm | 79 x 66.2 mm | 56 х 50.6 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 10.8:1 | 10.8:1 | 8,0:1 |
| Induction: | DFI® with Keihin 36mm Keihin throttle bodies | Yamaha Electronic Fuel Injection with YCC-T | Keihin PE28 carburetor |
| Ignition: | TCBI with electronic advance | TCI: Transistor Controlled Ignition | CDI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 50.2 kW / 67.3 hp @ 8,500 rpm | 105.7 kW / 146.2 hp @ 8000 rpm | 24 hp / 17.8 kW @ 9600 rpm |
| Max Torque: | 65.7 Nm / 48.4 lb-ft @ 7000 rpm | 138 Nm / 14,1kgf-m / 101.8 lb-ft @ 7000 rpm | 21.8 Nm / 16 lb-ft @ 8600 rpm |
| Clutch: | Wet multi-disc, manual | Wet, multiple discs, hydraulic operated A/ES: Assist -and-Slipper clutch AS: Electronic clutch-less gearshift system | Multi-disc clutch in oil bath |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Sealed chain | Shaft | Chain |
| Front Suspension: | 41 mm hydraulic telescopic fork | 48mm Upside-down telescopic fork with adjustable preload, compression and rebound damping (AE/AS/ES: Suspension electronically adjustable) | Kayaba 48mm telescopic hydraulic fork reversed KAYABA 48mm, double adjustment + adjustable spring preload, prepared |
| Front Wheel Travel: | 125 mm / 4.9 in | 135 mm / 5.3 in | 300 mm / 11.8 in |
| Rear Suspension: | Horizontal Back-link with adjustable preload | Single shock, link-type, with adjustable preload and rebound damping (AE/AS/ES: Suspension electronically adjustable) | Uni-Trak adjustable for preload |
| Rear Wheel Travel: | 130 mm / 5.1 in | 124 mm / 4.9 in | 320 mm / 12.5 in |
| Front Brakes: | 2x 300mm discs 2 piston calipers | 2 x 320mm discs, 4 piston calipers, unified brake system, ABS | Single 260mm disc |
| Rear Brakes: | Single 220mm disc | Single 282 mm disc, 2 piston caliper, unified brake system, ABS | Single 220mm disc |
| Front Tyre: | 120/70 -17 | 120/70 ZR17 | 70/100-21 |
| Rear Tyre: | 160/50 -17 | 180/55 ZR17 | 4.10-18 |
| Wheelbase: | 1410 mm / 55.5 in. | 1544.3 mm / 60.8 in | 1455 mm / 57.3 in to 1480 mm / 58.2 inaccording to chain tension |
| Seat Height: | 790 mm / 31.1 in | 805 mm - 825.5 mm / 31.7 in - 32.5 in. | 950 mm / 37.4 in |
| Ground Clearance: | 130 mm / 5.1 in | 130 mm / 5.1 in. | 365 mm / 14.3 in |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 25 Litres / 6.6 gal | 9.0 Litres / 2.3 US gal |