Yamaha SR 400SP (1979) vs Yamaha YZF 1000 R1M (2016)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | SR 400SP | YZF 1000 R1M |
| Years: | 1979 | 2016 |
| 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 | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 87 х 67.2 mm | 79.0 x 50.9 mm |
| Compression Ratio: | 8.5:1 | 13.0:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Lubrication: | Dry sump | Wet sump |
| Induction: | BSR33 carburetor | Fuel Injection with YCC-T and YCC-I |
| Ignition: | CDI | TCI: Transistor Controlled Ignition |
| Starting: | Kick | Electric |
| Max Power: | 27 hp / 17.1 KW @ 7000 rpm | 147.1 kW / 200.0 hp @ 13500 rpm |
| Max Torque: | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 112.4 Nm / 11.5 kg-m @ 11500 rpm |
| Clutch: | Wet, Multiple Disc | Wet, Multiple Disc |
| Transmission: | 5 Speed | 6-speed w/multiplate slipper clutch |
| Final Drive: | Chain | "O" ring chain |
| Front Suspension: | 35mm Telescopic fork | 43mm KYB® inverted fork; fully adjustable |
| Front Wheel Travel: | 105 mm / 4.1 in | 120 mm / 4.7 in |
| Rear Suspension: | Dual shocks, 5-way adjustable preload | KYB® Single shock w/piggyback reservoir, 4-way adjustable |
| Front Brakes: | Single disc | 2x 320mm discs 4 piston calipers, UBS ABS |
| Rear Brakes: | Drum | Single 220mm disc 1 piston caliper, UBS ABS |
| Front Tyre: | 3.50-19 | 120/70 ZR17 |
| Rear Tyre: | 4.00-16 | 190/55 ZR17 |
| Wheelbase: | 1410 mm / 55.5 IN | 1419 mm / 55.9 in |
| Seat Height: | 790 mm / 30.9 in | 830 mm / 32.7 in |
| Ground Clearance: | 130 mm / 5.1 in | 135mm / 5.3 in |
| Wet Weight: | 174 kg / 384 lbs | 199 kg / 439 lbs |
| Fuel Capacity: | 12 Litres / 3.2 gal | 17 Liters / 4.5 US gal |