Yamaha XS 1100 Martini (1979) vs Yamaha TDM 900A (2006-07) vs Yamaha XTZ 250 Lander (2006-08) vs Yamaha XS 650F (1979)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | XS 1100 Martini | TDM 900A | XTZ 250 Lander | XS 650F |
| Years: | 1979 | 2006-07 | 2006-08 | 1979 |
| Engine: | Four stroke transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke, parallel twin cylinder, DOHC, 5 valves per cylinder | Four stroke, single cylinder. SOHC, 2 valve | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 1101 cc / 67.2 cu-in | 897 cc / 54.7 cu-in | 249 cc / 15.2 cu-in | 653 cc / 39.8 cu in |
| Bore x Stroke: | 71.5 x 68.6 mm | 92 x 67.5 mm | 74.0 x 58.0mm | 75 x 74 mm |
| Cooling System: | Air cooled | Liquid cooled | Air /oil cooled | Air cooled |
| Compression Ratio: | 9.2:1 | 10.4:1 | 9.5: 1 | 8.4:1 |
| Induction: | 4x Mikuni BS 34SS Carburettor | Electronic Fuel Injection | Injection | 2 x Mikuni BS38 carburetors |
| Ignition: | TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only | TCI | TCI | Battery, induction coil |
| Starting: | Electric | Electric | Electric | Electric and kick |
| Max Power: | 95 hp / 70.8 kW @ 8500 rpm | 86.2 hp / 63.4kW @ 7500 rpm | 21 hp / 15.3 kW @ 7500 rpm | 39.5 kW / 53 hp @ 7200 rpm |
| Max Torque: | 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm | 88.8 Nm / 9.1 kgf-m @ 6000 rpm | 21 Nm / 2.09 kgf-m @ 6500 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm |
| Transmission: | 5 Speed | 6 speed | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chain | Chain |
| Front Suspension: | Telescopic fork. | Telescopic fork | 35mm telescopic fork | Telescopic forks |
| Rear Suspension: | Dual shocks Swing arm, preload adjustable | Swingarm Link-type | Swingarm w/rebound-adjustable single shock | Dual shock absorbers |
| Front Brakes: | 2x 298mm discs | 2 x 298mm discs with ABS | Single 245mm disc | Twin hydraulic discs, 267 mm |
| Rear Brakes: | Single 298mm disc | Single 248mm disc with ABS | Single 203mm disc | Drum |
| Front Tyre: | 3.50-19 | 120/70 ZR18 | 80/90 -21 | 3.50H-19 4PR |
| Rear Tyre: | 4.50-17 | 160/60 ZR17 | 120/80-18 | 4.00H-18 4PR |
| Fuel Capacity: | 22 Litres / 5.8 gal | 20 Litres / 5.2 US gal | 11 Litres / 2.9 US gal | 15 Litres / 4.0 US gal |