Yamaha WR 400F (1998-00) vs Yamaha FZS 600 Fazer (1998-99) vs Yamaha XVS 650 Drag Star Classic (1998-02) vs Yamaha YZF 600R Thundercat (1998)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | WR 400F | FZS 600 Fazer | XVS 650 Drag Star Classic | YZF 600R Thundercat |
| Years: | 1998-00 | 1998-99 | 1998-02 | 1998 |
| Engine: | Four stroke, single cylinder, DOHC, 5 valve | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, 75°V-twin cylinder, SOHC, 2 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 399 cc / 24.3 cu-in | 599 cc / 36.5 cu-in | 649 cc / 39.6 cu-in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 92.0 x 60.1mm | 62 x 49.6 mm | 81 x 63 mm | 62 x 49.6 mm |
| Cooling System: | Lliquid cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 12.5:1 | 12.0:1 | 9.0:1 | 12.0:1 |
| Induction: | Keihin 39mm FCR, accelerator pump, throttle positioning sensor | 4x 38mm Mikuni BDSR carburetors | 28mm Mikuni downdraft-type carburetor | 4 x 36 mm Keihin CV downdraft carburetors |
| Ignition: | CDI | CDI Digital | Digital TCI | Digital TCI |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 48 hp / 35.3 kW @ 8000 rpm | 95 hp / 69.3 kW @ 11500 rpm (83.8hp @ 11.000rpm) | 40 hp / 29.2 kW @ 6500 rpm | 72.9 kW / 100 hp @ 11500 rpm |
| Max Torque: | 39 Nm / @ 7500 rpm | 61.2 Nm / 45.8 lb-ft @ 9500 rpm | 50.9 Nm / 37 lb-ft @ 3000 rpm | 65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Shaft | 530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47 |
| Front Suspension: | Inverted 46mm Kayaba forks with | 41mm adjustable. forks preload adjustable | Telescopic fork | 41 mm telescopic fork adjustable preload, compression and rebound damping |
| Front Wheel Travel: | 300 mm / 11.8 in | 120 mm / 4.7 in | 140 mm / 5.5 in | 130 mm / 5.1 in |
| Rear Suspension: | Monocross Kayaba | Monoshock: adjustable preload | Swingarm Monocross | Monoshock adjustable preload, bump and rebound |
| Front Brakes: | Single 245mm disc 4 piston caliper | 2x 298mm discs 4 piston calipers | Single 298mm disc 2 piston calipers | 2x 300 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 220mm disc 2 piston caliper | Single 245mm disc 2 piston caliper | 200mm drum | Single 245mm disc, 2 piston caliper |
| Front Tyre: | 80/100-21 | 110/70-17 | 130/90-18 | 120/60-17 |
| Rear Tyre: | 110/100-18 | 160/60-17 | 170/80-15 | 160/60-17 |
| Wheelbase: | 1480 mm / 58.3 in | 1415 mm / 55.7 in | 1625 mm / 64 in | 1415 mm / 55.7 in |
| Seat height: | 991 mm / 39.0 in | 790 mm / 31.1 in | 695 mm / 26.0 in | 810 mm / 31.7 in |
| Dry Weight: | 114 kg / 251.3 lbs | 189 kg / 416.6 lbs | 229 kg / 504 lbs | 189 kg / 417 lbs |
| Fuel Capacity: | 8 Litres / 2.1 US gal | 18 Litres / 4.7 US gal | 16 Litres / 4.2 US gal | 19 Litres / 5.0 US gal / 4.2 Imp gal |