Yamaha SRX 250 (1984-86) vs Yamaha YZF 1000 R1-M (2020)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | SRX 250 | YZF 1000 R1-M |
| Years: | 1984-86 | 2020 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 73 х 59.6 mm | 79.0 x 50.9 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 10.0:1 | 13.0:1 |
| Induction: | Y22PV Teikei carburetor | Fuel Injection with YCC-T and YCC-I |
| Ignition: | TCI | TCI: Transistor Controlled Ignition |
| Starting: | Electric | Electric |
| Max Power: | 32 hp / 23.8 kW @ 10000 rpm | 147.1 kW / 197 hp @ 13500 rpm |
| Max Torque: | 2.4 kgf-m / 17.3 lb-ft @ 8500 rpm | 112.4 Nm / 11.5 kg-m @ 11500 rpm |
| Transmission: | 6 Speed | 6-speed wet multiplate assist and slipper clutch |
| Final Drive: | Chain | "O" ring chain |
| Front Suspension: | Centre axle 33mm forks | 43mm Öhlins Electronic Racing Suspension NPX fork, fully adjustable |
| Front Wheel Travel: | 140 mm / 5.9 in | 120 mm / 4.7 in |
| Rear Suspension: | Single shock, adjustable spring preload | Öhlins Electronic Racing Suspension single shock, fully adjustable |
| Rear Wheel Travel: | 100 mm / 3.9 in | 120 mm / 4.7 in |
| Front Brakes: | Single disc 2 piston caliper | 2x 320mm hydraulic disc, Brake Control System and ABS |
| Rear Brakes: | Drum | Single 220mm hydraulic disc, Brake Control System and ABS |
| Front Tyre: | 90/90-16 | 120/70ZR17 |
| Rear Tyre: | 100/90-18 | 200/55ZR17 |
| Seat Height: | 780 mm / 30.7 in | 861 mm / 33.9 in |
| Wet Weight: | 137 kg / 302 lbs | 204 kg / 450 lbs |
| Fuel Capacity: | 9 Litres / 2.3 US gal | 17 Liters / 4.5 US gal |