Honda XL 125R (1984-85) vs Yamaha YZF 600R Thundercat (1998) vs Kawasaki ZZR 1400 / Ninja ZX-14R (2015-16) vs Yamaha XJ6 Diversion (2013) vs Kawasaki KH 250 (1976-77)
Comparison technical specifications
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| Make: | Honda | Yamaha | Kawasaki | Yamaha | Kawasaki |
| Model: | XL 125R | YZF 600R Thundercat | ZZR 1400 / Ninja ZX-14R | XJ6 Diversion | KH 250 |
| Years: | 1984-85 | 1998 | 2015-16 | 2013 | 1976-77 |
| Engine: | Four stroke, single cylinder, OHC, 2 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinders, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Two stroke, transverse three cylinder, |
| Capacity: | 124 cc / 7.6 cu-in | 599 cc / 36.5 cu-in | 1441 cc / 87.9 cu-in | 600 cc / 36.6 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 56.5 x 49.5 mm | 62 x 49.6 mm | 84 x 65 mm | 65.5 x 44.5 mm | 45 х 52.3 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 9.2:1 | 12.0:1 | 12.3:1 | 12.2:1 | 7.5:1 |
| Induction: | PD52 carburetor | 4 x 36 mm Keihin CV downdraft carburetors | DFI® with four 44mm Mikuni throttle bodies | Group injection type fuel injection | 3x Mikuni VM22SC, Ø 22 mm carburetor |
| Ignition: | CDI | Digital TCI | TCBI with Digital Advance | TCI | CDI |
| Starting: | Kick | Electric | Electric | Electric | Kick |
| Max Power: | 11.4 hp / 8.3 kW @ 10000 rpm | 72.9 kW / 100 hp @ 11500 rpm | 149 kW / 200 hp @ 10500 rpm | 78 hp / 57 kW @ 10000 rpm | 28 hp @7500 rpm |
| Max Torque: | 10 Nm / 7.3 lb-ft @ 8000 rpm | 65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm | 153.5 Nm / 113.2 lb-ft @ @ 7500 rpm | 59.7 Nm / 6.1 kgf-m @ 8500 rpm | 2.7 kgf-m / @ 7000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | 530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47 | X-Ring chain | Chain | Chain |
| Front Suspension: | Telescopic forks | 41 mm telescopic fork adjustable preload, compression and rebound damping | 43mm inverted cartridge fork with adjustable preload, 18-way compression and 15-way rebound damping adjustment, | 43mm Telescopic fork, 130mm wheel travel | Telescopic hydraulic forks |
| Rear Suspension: | Swinging arm | Monoshock adjustable preload, bump and rebound | Bottom-link Uni-Trak® and gas-charged shock with adjustable preload, stepless rebound and compression damping adjustments, adjustable ride height | Swingarm Link less type Monocross, 130mm wheel travel | Dual shocks, swingarm |
| Front Brakes: | Drum | 2x 300 mm Discs, 4 piston calipers | 2x 310mm discs 4 piston calipers | 2x 298 mm discs | Single disc |
| Rear Brakes: | Drum | Single 245mm disc, 2 piston caliper | Single 250mm disc 2 piston caliper | Single 245 mm disc | 180mm Drum |
| Front Tyre: | 2.75-21 | 120/60-17 | 120/70 ZR17 | 120/70 ZR17 | 3.25-18 |
| Rear Tyre: | 4.10-18 | 160/60-17 | 190/50 ZR17 | 160/60 ZR17 | 3.50-18 |
| Wheelbase: | 1375 mm / 54.1 in | 1415 mm / 55.7 in | 1481 mm / 58.3 in. | 1440 mm / 56.7 in | 1374 mm / 54.1 in |
| Fuel Capacity: | 9 Litres / 2.3 us gal | 19 Litres / 5.0 US gal / 4.2 Imp gal | 21.9 Litres / 5.8 US gal | 17.3 Litres / 4.5 US gal | 14 Litres / 3.7 US gal |