Yamaha MT-125 (2018-19) vs Yamaha IT 425 (1980) vs Yamaha FZ-6N S2 (2008) vs Yamaha FZ-1 N (2010)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | MT-125 | IT 425 | FZ-6N S2 | FZ-1 N |
| Years: | 2018-19 | 1980 | 2008 | 2010 |
| Engine: | Four stroke, single cylinder, SOHC, 4-valves | Two stroke, single cylinder, read valve | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 5 valve per cylinder |
| Capacity: | 124.7 cc / 7.6 cub in. | 425 cc / 25.9 cu-in | 599 cc / 36.5 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 52 x 58.6 mm | 85 x 75 mm | 65.5 x 44.5 mm | 77 X 53.6 mm |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.2:1 | 7.3;1 | 12.2:1 | 11.5:1 |
| Induction: | Electronic fuel injection | 38mm VM38SS Mikuni carburetor | Group injection type fuel injection, 36mm Funnel diameter | Fuel injection |
| Ignition: | TCI (digital) | CDI | TCI Digital CDI | Digital TCI: Transistor Controlled Ignition with 32-bit ECU |
| Starting: | Electric | Kick | Electric | Electric |
| Max Power: | 11 kW / 15 hp @ 9000 rpm | 36.9 hp / 27.5 kW @ 6000 rpm (rear tyre | 98 hp / 72 kW @ 12000 rpm | 146.84 hp / 108 kW @ 11000 rpm |
| Max Torque: | 12.4 Nm / 1.25 kgf-m / 9.14 ft-lb | 31 lb-ft / 4.23 kg-m @ 5500 rpm | 63.1 Nm / 6.4 kgf-m @ 10000 rpm | 106 Nm /10.5 kgf-m / 76.7 ft-lb @ 8000 rpm |
| Transmission: | 6-Speed, constant mesh | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | O-ring chain |
| Front Suspension: | Upside-down telescopic fork, 41 mm dia. | 43mm Telescopic adjustable forks, 300mm wheel travel | 43mm Telescopic fork, | Telescopic upside forks, |
| Rear Suspension: | Linked monoshock with spring preload adjustment | Mono shock, adjustable spring preload and rebound damping, 300mm wheel travel | Swingarm Link less type Monocross | Link-type swingarm, |
| Rear Wheel Travel: | 114 mm / 4.5 in. | 250 mm / 9.8 in | 120 mm / 4.7 in | 130 mm / 5.1 in |
| Front Brakes: | Hydraulic, single disc, 292 mm dia. | Drum | 2x 298 mm discs | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Hydraulic, single disc, 230 mm dia. | Drum | Single 245 mm disc | Single 245mm disc 1 piston caliper |
| Front Tyre: | 100/80-17 MC | 3.00 -21 | 120/70 ZR17 | 120/70 ZR17 |
| Rear Tyre: | 130/70-17 M | 150/80 -18 | 180/55 ZR17 | 190/50 ZR17 |
| Trail: | 89 mm / 3.5 in. | 125 mm / 4.9 in | 98 mm / 3.8 om | 109 mm / 4.3 in |
| Wheelbase: | 1355 mm / 53.3 in | 1430 mm / 56.2 in | 1440 mm / 56.7 in | 1461 mm / 57.5 in |
| Ground Clearance: | 140 mm / 5.5 in | 285 mm / 11.2 in | 145 mm / 5.7 in | 135 mm / 5.3 in |
| Fuel Capacity: | 11.5 Litres / 3.0 US gal | 13.6 Litres / 3.5 US gal | 19 Litres / 5.0 US gal | 18 Liters / 4.76 US gal |