Yamaha YZF 600R Thundercat (2001) vs Kawasaki KLX 250S (2006-08) vs Moto Guzzi Sport 1100 (1994-95)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki | Moto Guzzi |
| Model: | YZF 600R Thundercat | KLX 250S | Sport 1100 |
| Years: | 2001 | 2006-08 | 1994-95 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, V twin, longitudinally mounted, light alloy push-rod, 2 valves per cylinder |
| Capacity: | 599 cc / 36.5 cu-in | 249 cc / 15.2 cu-in | 1064 cc / 64.9 cu-in |
| Bore x Stroke: | 62 x 49.6 mm | 72 х 61.2 mm | 92 x 80 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 12.0:1 | 11.0:1 | 9.5:1 |
| Induction: | 4 x 36 mm Keihin CV downdraft carburetors | Keihin CVK34 carburetor | 2x 40mm Dell'Orto carburetors |
| Ignition: | Digital TCI | Digital CDI | Weber Marelli digital electronic ignition with inductive spark and high efficiency coils |
| Starting: | Electric | Electric | Electric |
| Max Power: | 72.9 kW / 100 hp @ 11500 rpm | 27 hp / 22.3 kW @ 8500 rpm | 90 hp / 65.7 kW @ 7800 rpm |
| Max Power Rear Tyre: | 67.9 kW / 91.0 hp @ 11500 rpm | 23.5 hp @ 8200 rpm | 81.9 hp @ 6900 rpm |
| Max Torque: | 65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm | 2.6 kgf-m / 18.5 lb-ft @ 7500 rpm | 95 Nm / 9.4 kgf-m @ 5800 rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | 530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47 | Chain | Shaft |
| Frame: | Twin spar, steel, delta box | Steel, Double cradle frame | Chrome-molybdenum single steel beam, rectangular section with engine as stressed member |
| Front Suspension: | 41 mm telescopic fork adjustable preload, compression and rebound damping | 43 mm Inverted cartridge fork with 16-Way compression damping adjustment | 40mm Upside-down telescopic Marzocchi forks, fully adjustable. |
| Rear Suspension: | Monoshock adjustable preload, bump and rebound | Uni-Trak® with Adjustable preload, 16-Way compression and Rebound damping adjustment | White Power monoshock cantilever swing arm, fully adjustable. |
| Front Brakes: | 2x 300 mm Discs, 4 piston calipers | Single 250mm disc 2 piston caliper | 2x 320mm disc 2 piston calipers |
| Rear Brakes: | Single 245mm disc, 2 piston caliper | Single 230mm disc 1 piston caliper | Single 282mm disc |
| Front Tyre: | 120/60-17 | 80/100-21 | 120/70 ZR17 |
| Rear Tyre: | 160/60-17 | 100/100-18 | 160/60 ZR18 |
| Seat Height: | 810 mm / 31.7 in | 883 mm / 34.8 in | 730 mm / 28.7 in |
| Dry Weight: | 189 kg / 417 lbs | 122 kg / 269 lbs | 221 kg / 487 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal / 4.2 Imp gal | 7.2 Litres / 2.0 US gal | 19 Litres / 5.0 US gal |