Yamaha SR 400SP (1979) vs Yamaha FZ-6N (2006)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | SR 400SP | FZ-6N |
| Years: | 1979 | 2006 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 399 cc / 24.3 cu-in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 87 х 67.2 mm | 65.5 x 44.5 mm |
| Compression Ratio: | 8.5:1 | 12.2:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Lubrication: | Dry sump | Wet sump |
| Induction: | BSR33 carburetor | Group injection type fuel injection, 36mm Funnel diameter |
| Ignition: | CDI | TCI Digital CDI |
| Starting: | Kick | Electric |
| Max Power: | 27 hp / 17.1 KW @ 7000 rpm | 98 hp / 72 kW @ 12000 rpm |
| Max Torque: | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 63.1 Nm / 6.4 kgf-m @ 10000 rpm |
| Clutch: | Wet, Multiple Disc | Wet, multiple discs, cable operated |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Steel Double Cradle | Aluminium, twin spar |
| Front Suspension: | 35mm Telescopic fork | 43mm Telescopic fork, |
| Front Wheel Travel: | 105 mm / 4.1 in | 130 mm / 5.1 in |
| Rear Suspension: | Dual shocks, 5-way adjustable preload | Swingarm Link less type Monocross |
| Front Brakes: | Single disc | 2x 298 mm discs |
| Rear Brakes: | Drum | Single 245 mm disc |
| Front Tyre: | 3.50-19 | 120/70 ZR17 |
| Rear Tyre: | 4.00-16 | 180/55 ZR17 |
| Trail: | 111 mm / 4.4 in | 98 mm / 3.8 in |
| Wheelbase: | 1410 mm / 55.5 IN | 1440 mm / 56.6 in |
| Seat Height: | 790 mm / 30.9 in | 795 mm / 31.2 in |
| Ground Clearance: | 130 mm / 5.1 in | 145 mm / 5.7 in |
| Fuel Capacity: | 12 Litres / 3.2 gal | 19 Litres / 5.0 US gal |