Yamaha XT 225 Serow (1987-89) vs Yamaha YD-2 (1958-60) vs Yamaha FZ-1 N Abarth Assetto Corse (2012)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | XT 225 Serow | YD-2 | FZ-1 N Abarth Assetto Corse |
| Years: | 1987-89 | 1958-60 | 2012 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Two stroke, piston-port, parallel twin | Four stroke, transverse four cylinder, DOHC, 5 valve per cylinder |
| Capacity: | 223 cc / 13.6 cu-in | 247 cc / 15.0 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 70 X 58mm | 54 x 54 mm | 77 X 53.6 mm |
| Cooling System: | Air cooled | Air-cooled | Liquid cooled |
| Compression Ratio: | 9.5:1 | 11.5:1 | |
| Induction: | 34mm Mikuni carburetor | Single carburetor | Fuel injection |
| Starting: | Kick | Kick | Electric |
| Max Power: | 20 hp / 15 kW @ 8000 rpm | 14.5 hp @ 6000 rpm | 146.84 hp / 108 kW @ 11000 rpm |
| Max Torque: | 19 Nm / 14 lb-ft @ 7000 rpm | 4.1 kg-m @ 5000 rpm | 106 Nm /10.5 kgf-m / 76.7 ft-lb @ 8000 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | O-ring chain |
| Front Suspension: | Telescopic fork | Telescopic forks | Telescopic upside forks, |
| Rear Suspension: | Swingarm rebound adjustable. single shock | Swing arm | Link-type swingarm, |
| Front Brakes: | Single 220mm disc | Drum | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Single 110mm drum | Drum | Single 245mm disc 1 piston caliper |
| Front Tyre: | 2.75-21 | 2.50 -16 | 120/70 ZR17 |
| Rear Tyre: | 120/80-18 | 2.50 -16 | 190/50 ZR17 |
| Fuel Capacity: | 8.7 Liters / 2.3 US gal | 18 Liters / 4.76 US gal |