Yamaha TT-R 225 (2001-02) vs Yamaha FZR750R Genesis (1987) vs Yamaha RD 250R / RZ 250R (1984-85) vs Yamaha SRX 250 (1987-90) vs Yamaha TZR 125 (1987-88)
Comparison technical specifications
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Make: | Yamaha | Yamaha | Yamaha | Yamaha | Yamaha |
Model: | TT-R 225 | FZR750R Genesis | RD 250R / RZ 250R | SRX 250 | TZR 125 |
Years: | 2001-02 | 1987 | 1984-85 | 1987-90 | 1987-88 |
Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. | Two stroke, parallel twin | Four stroke, single cylinder, DOHC, 4 valves | Two stroke, single cylinder, read valve, |
Capacity: | 223 cc / 13.6 cu-in | 749 cc / 45.7 cu-in | 247 cc / 15.0 cu-in | 249 cc / 15.2 cu-in | 124 cc / 7.6 cu-in |
Bore x Stroke: | 70 x 58 mm | 68 x 51.6 mm | 54 х 54 mm | 73 х 59.6 mm | 56.4 x 50 mm |
Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled |
Compression Ratio: | 9.5: | 11.2:1 | 6.2 :1 | 10.0:1 | 5.9:1 |
Induction: | 26mm Teikei carburetor | 4x 34mm Mikuni carburator | 2x Mikuni VM28 SC carburetor | Y22PV Teikei carburetor | Mikuni VM26SS carburetor |
Ignition: | CDI | Electronic triggered | CDI | TCI | CDI |
Starting: | Electric | Electric | Kick | Electric | Kick |
Max Power: | NA | 106 hp / 77.4 kW @ 10500 rpm | 35.5 hp / 26.1 kW @ 8500 rpm  | 32 hp / 23.8 kW @ 10000 rpm | 26.hp / 19.3 kW @ 10200 rpm |
Max Torque: | NA | 7.2 kgf-m / 72 Nm @ 8250 rpm | 30.2 Nm / 3.1 kgf-m@ 8000 rpm | 2.4 kgf-m / 17.3 lb-ft @ 8500 rpm | 1.8 kgf-m / 13 lb-ft @ 10000 rpm |
Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed | 6 Speed |
Final Drive: | Chain | Chain | Chain | Chain | Chain |
Front Suspension: | Telescopic forks | 41mm Kayaba forks 130mm wheel travel adjustable for spring preload and rebound damping, | Telescopic forks | Centre axle 33mm forks | Telescopic fork |
Rear Suspension: | Link Type single shock | Monoshock single Kayaba damper 30mm wheel travel adjustable for spring preload and rebound damping, | Monocross | Single shock, adjustable spring preload | Monocross |
Front Brakes: | Single 229mm disc | 2x 320mm disc 2 piston caliper | Single 267mm disc | Single disc 2 piston caliper | Single disc |
Rear Brakes: | Drum | Single 267mm disc 2 piston caliper | Drum | Drum | Drum |
Front Tyre: | 80/100-21 | 120/70 VR17 | 3.00-18 | 90/90-16 | 90/90 16 |
Rear Tyre: | 100/100-18 | 160/60 VR18 | 3.50-18 | 100/90-18 | 100/90 18 |
Dry Weight: | NA | 213 kg / 469.5 lbs | 139 kg / 306.4 lbs | 123 kg / 371 lbs | 104 kg / 229 lbs |
Fuel Capacity: | 10.2 Litres / 2.7 US gal | 20 Litres / 5.2 gal | 16.5 Litres / 4.3 US gal | 9 Litres / 2.3 US gal | 12 Litres / 3.1 US gal |