Yamaha YZF1000 R1 (2008) vs Yamaha XSR 900 (2018-19) vs Yamaha R1-Z (1990-91) vs Yamaha XJ 600 (1988-91)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | YZF1000 R1 | XSR 900 | R1-Z | XJ 600 |
| Years: | 2008 | 2018-19 | 1990-91 | 1988-91 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, Transverse trree cylinder, DOHC, 12-valve | Two stroke, parallel twin cylinder | Four stroke, transverse four cylinder. DOHC, 2 valves per cylinder. |
| Capacity: | 998 cc / 60.9 cu-in | 847 cc / 51.6 cu-in | 247 cc / 15.1 cu-in | 598 cc / 36.5 cu-in |
| Bore x Stroke: | 77 X 53.6 mm | 78.0 x 59.1mm | 56.4 × 50.5mm | 58.5 x 55.7 mm |
| Compression Ratio: | 12.7:1 | 11.5 : 1 | 6.4:1 | 10.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Air cooled |
| Induction: | Fuel Injection with YCC-T and YCC-I | Yamaha Fuel Injection with YCC-T | Carburetor | 4x Mikuni BS32 carburetors |
| Ignition: | TCI (Transistor Controlled Ignition) | TCI: Transistor Controlled Ignition | CDI | CDI |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 132.4 kW / 180 hp @ 12500 rpm | 113 hp / 84.2 kW @ 10000 rpm | 45 hp / 33.5 kW @ 9500r pm | 72 hp / 52.5 kW @ 10000 rpm |
| Max Torque: | 112.7 Nm / 11.5 kgf-m @ 10000 rpm | 87.4 Nm / 64.5 lb-ft @ 8500 rpm | 3.7 kg-m @ 8500 rpm | 53.9 Nm / 39.7 kW @ 8000 rpm |
| Transmission: | 6 Speed | 6-speed; multiplate assist-and-slipper wet clutch | 6 Speed | 6 Speed |
| Final Drive: | #530 O-ring chain | Chain | Chain | Chain |
| Front Suspension: | 43mm inverted telescopic fork w/adjustable preload, compression damping, rebound damping; | 41mm inverted fork, adjustable rebound and spring preload | Telescopic | Telescopic forks |
| Rear Suspension: | Single shock w/piggyback reservoir; adjustable for hi-/lo-speed compression damping, rebound damping, spring preload | Single shock absorber, adjustable rebound and spring preload | Swinging arm | Monocross rising rate with 5-way preload. |
| Front Brakes: | 2 x 310mm discs 6 piston calipers | 2x 298mm Hydraulic discs 4 piston caliper | 2x discs | 2x 267mm discs 2 piston calipers |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single 245mm Hydraulic disc 2 poston caliper | Single disc | Single 267mm disc 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 110/70-17 | 90/90 V18 |
| Rear Tyre: | 190/50 ZR17 | 180/55 ZR17 | 140/70-17 | 110/90 V18 |
| Fuel Capacity: | 18 Litres / 4.0 US gal | 14 Litres / 3.7 US gal | 17 Litres / 4.5 US gal | 20 Litres / 5.3 US gal |