Yamaha XS 1100SF Special (1979) vs Yamaha FZR 600 (1989) vs Yamaha SR 400 (2016-17) vs Yamaha DT 125RE (2003-04)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | XS 1100SF Special | FZR 600 | SR 400 | DT 125RE |
| Years: | 1979 | 1989 | 2016-17 | 2003-04 |
| Engine: | Four stroke transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Two stroke, single cylinder, reed-valve |
| Capacity: | 1101 cc / 67.2 cu-in | 599 cc / 36.6 cub in | 399 cc / 24.3 cu-in | 123 cc / 7.5 cu-in |
| Bore x Stroke: | 71.5 x 68.6 mm | 59 x 54.8 mm | 87 х 67.2 mm | 56 X 50 mm |
| Compression Ratio: | 9.2:1 | 12.0:1 | 8.5:1 | 6.8:1 |
| Induction: | 4x Mikuni BS 34SS Carburettor | 4 x 38mm Mikuni BDST32 carburetor | Fuel injection | Mikuni 28 SS |
| Lubrication: | Wet sump | Wet sump | Dry sump | Autolube |
| Ignition: | TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only | Transistor controlled digital | TCI | CDI |
| Starting: | Electric | Electric | Kick | Kick |
| Max Power: | 95 hp / 70.8 kW @ 8500 rpm | 66.3 kW / 91 hp @ 10500 rpm | 27 hp / 17.1 KW @ 7000 rpm | 14.7 hp / 10.8 kW @ 7000 rpm |
| Max Torque: | 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm | 65.7 Nm / 6.7 kgf-m / 48.4 lb-ft @ 8500 rpm | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 1.7 kgf-m / 16.3 Nm @ 7000 rpm |
| Clutch: | Wet, multi-disc (8 drive plates, 7 driven plates) | Wet, multi-disc | Wet, Multiple Disc | Wet multiplate |
| Transmission: | 5 Speed | 6 speed | 5 Speed | 6 speed |
| Final Drive: | Shaft | O-ring chain, 530 size, 106 links | Chain | Chain |
| Front Suspension: | Telescopic fork. | 41mm Telescopic fork preload adjustable, Coil spring, oil damper | Telescopic fork | 41mm Telescopic forks |
| Front Wheel Travel: | 175 mm / 6.8 in | 130 mm / 5.1 in | 111 mm / 4.3 in | 170 mm / 6.6 in |
| Rear Suspension: | Dual shocks Swing arm, preload adjustable | Rising-rate Monoshock preload and rebound adjustable, Gas, coil spring, oil damper | Dual shocks | Monocross linkage |
| Front Brakes: | 2x 298mm discs | 2 x 298mm discs, 2 piston calipers | Single disc | Single 230mm disc |
| Rear Brakes: | Single 298mm disc | Single 214mm disc, 1 piston caliper | Drum | Single 220mm disc |
| Front Tyre: | 3.50-19 | 110/70-17 | 3.50-19 | 80/90 -21 |
| Rear Tyre: | 4.50-16 | 130/70-17 | 4.00-16 | 110/80 -18 |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 18 Litres / 4.8 gal | 12 Litres / 3.2 US gal | 10 Litres / 2.2 gal |