Yamaha YZF 600R Thundercat (1997) vs Yamaha XS 650 Midnight Special (1981) vs BMW F 800GS (2012) vs Yamaha YZF1000 R1 Fiat Moto GP Replica (2007)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | BMW | Yamaha |
| Model: | YZF 600R Thundercat | XS 650 Midnight Special | F 800GS | YZF1000 R1 Fiat Moto GP Replica |
| Years: | 1997 | 1981 | 2012 | 2007 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 599 cc / 36.5 cu-in | 653 cc / 39.8 cu in | 798 cc / 47.7 cub. in. | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 62 x 49.6 mm | 75 x 74 mm | 82 x 75.8 mm | 77 X 53.6 mm |
| Compression Ratio: | 12.0:1 | 8.5:1 | 12.0:1 | 12.7:1 |
| Induction: | 4 x 36 mm Keihin CV downdraft carburetors | 2 x Mikuni BS34SU carburetors | Electronic intake injection, ∅45mm throttle bodies | Fuel Injection with YCC-T and YCC-I |
| Ignition: | Digital TCI | Battery, induction coil | Knock control and oxygen sensors. | TCI (Transistor Controlled Ignition) |
| Starting: | Electric | Electric and kick | Electric | Electric |
| Max Power: | 72.9 kW / 100 hp @ 11500 rpm | 39.5 kW / 53 hp @ 7200 rpm | 62.5 kW / 85 hp @ 7500 rpm | 132.4 kW / 180 hp @ 12500 rpm |
| Max Torque: | 65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 5500 rpm | 80 Nm / 8.2 kgf-m / 59 lb-ft @ 5750 rpm | 112.7 Nm / 11.5 kgf-m @ 10000 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | 530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47 | Chain | Chain | #530 O-ring chain |
| Front Suspension: | 41 mm telescopic fork adjustable preload, compression and rebound damping | Telescopic forks | ∅43mm Marzocchi. Upside down forks | 43mm inverted telescopic fork w/adjustable preload, compression damping, rebound damping; |
| Rear Suspension: | Monoshock adjustable preload, bump and rebound | Dual shock absorbers | Double strut swing arm aluminium coast in one piece | Single shock w/piggyback reservoir; adjustable for hi-/lo-speed compression damping, rebound damping, spring preload |
| Front Brakes: | 2x 300 mm Discs, 4 piston calipers | Twin hydraulic discs, 267 mm | 2 x ∅300mm discs, 4 piston calipers | 2 x 310mm discs 6 piston calipers |
| Rear Brakes: | Single 245mm disc, 2 piston caliper | Single hydraulic disc, 267 mm | Single ∅265mm disc, 2 piston caliper | Single 220mm disc 1 piston caliper |
| Front Tyre: | 120/60-17 | 3.50S-19 | 90/90 - 21 54V | 120/70 ZR17 |
| Rear Tyre: | 160/60-17 | 130/90S-16 | 150/70 - 17 69V | 190/50 ZR17 |
| Dimensions: | Length 2060mm / 81.1 in Width 754 mm / 29.6 in Height 1190 mm / 46.8 in | Length: 2130 mm / 83.9" Width: 930 mm / 36.6" Height: 1225 mm / 48.2" | Length 2320 mm / 91.3 in Width 945 mm / 37.2 in (incl. mirrors) Height 1350 mm / 53.1 in (excl. mirrors) | Length 2060 mm / 81.1 in Width 720 mm / 28.3 in Height 1110 mm / 43.7 in |
| Seat Height: | 810 mm / 31.7 in | 785 mm / 30.9" | 880 mm / 850 mm / 34.6 in. / 33.5 in. | 835 mm / 32.9 in |
| Dry Weight: | 189 kg / 417 lbs | 210 kg / 463 lbs | 177.8 kg / 392 lbs | 177 kg / 389.4 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal / 4.2 Imp gal | 11.5 Litres / 3.0 US gal | 16 Litres / 4.2 US gal. | 18 Litres / 4.0 US gal |