Yamaha YZF1000 R1 (1998) vs Yamaha TX 650-II (1977-79) vs Yamaha YZF 600 R6 Fiat Moto GP Replica (2007)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | YZF1000 R1 | TX 650-II | YZF 600 R6 Fiat Moto GP Replica |
| Years: | 1998 | 1977-79 | 2007 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 998 cc / 60.9 cu-in | 653 cc / 39.8 cu in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 74 x 58 mm | 75 x 74 mm | 67 x 42.5 mm |
| Compression Ratio: | 11.8:1 | 8.4:1 | 12.4;1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Lubrication: | Wet sump | Wet sump | Wet sump |
| Induction: | 4 x 40mm Mikuni CV Downdraft carburetors | 2 x Mikuni carburetors | Fuel Injection 38mm throttle bodies |
| Ignition: | Digital TCI | Battery, induction coil | TCI |
| Starting: | Electric | Electric and kick | Electric |
| Max Power: | 148.8 hp / 109.5 kW @ 10000 rpm | 39.5 kW / 53 hp @ 7200 rpm | 124.6 hp / 91.7 kW @14500 rpm |
| Max Torque: | 11.0 kgf-m / 108.3 Nm @ 8500 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm | 69.1 Nm / 7.05 kg-m @ 11000 rp @ 1100 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | O-ring Chain |
| Front Suspension: | 41mm inverted telescopic forks | Telescopic forks | 41mm upside down forks with 2-way compression damping adjustable |
| Rear Suspension: | Truss-type Aluminium swinging arm Monocross system | Dual shock absorbers | Fully adjustable rear shock absorber with 2-way compression damping |
| Front Brakes: | 2 x 298mm discs 4 piston calipers | Twin hydraulic discs, 267 mm | 2x 320mm discs |
| Rear Brakes: | Single 256mm disc 2 piston caliper | Drum | Single 220mm disc |
| Front Tyre: | 120/70 ZR17 | 3.50H-19 4PR | 120/70 ZR17 |
| Rear Tyre: | 190/50 ZR17 | 4.00H-18 4PR | 180/55 ZR17 |
| Dimensions: | Length 2035 mm / 80.1 in Width 695 mm / 27.3 in Height 1095 mm / 43.1 in | Length: 2175 mm / 85.6" Width: 780 mm / 30.7" Height: 1090 mm / 42.9" | Length 2040 mm / 80.3 in Width 705 mm / 27.8 in Height 1100 mm / 43.3 in |
| Wheelbase: | 1395 mm / 54.9 in | 1435 mm / 56.5" | 1380 mm / 53.4 in |
| Ground Clearance: | 140 mm / 5.5 in | 150 mm / 5.5" | 130 mm / 5.1 in |
| Seat Height: | 813 mm / 32.3 in | 810 mm / 31.9" | 850 mm / 33.5 in |
| Dry Weight: | 177 kg / 390.2 lbs | 191 kg / 420 lbs | 162 kg / 357 lbs (single seat 161 kg) |
| Fuel Capacity: | 18 Litres / US 4.7 gal | 15 Litres / 4.0 US gal | 17.5 Litres / 3.7 gal |
| Top Speed: | 277.2 km/h / 172.2 mph | 185 km/h / 115 mph | 255.1 km/h |