Yamaha XS 650 (XS-1F) (1971) vs Yamaha TDM 900A (2004-05) vs Ducati 998 S Bayliss Replica (2002) vs Yamaha WR450F (2017-18) vs Yamaha MT-09 Street Rally (2014) vs Yamaha XMAX 250 (2014-15) vs Yamaha TT 250 (1980) vs Indian Chief (1999-01) vs Yamaha YZF1000 R1 Camel Replica (2006)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Ducati | Yamaha | Yamaha | Yamaha | Yamaha | Indian | Yamaha |
| Model: | XS 650 (XS-1F) | TDM 900A | 998 S Bayliss Replica | WR450F | MT-09 Street Rally | XMAX 250 | TT 250 | Chief | YZF1000 R1 Camel Replica |
| Years: | 1971 | 2004-05 | 2002 | 2017-18 | 2014 | 2014-15 | 1980 | 1999-01 | 2006 |
| Engine: | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Four stroke, parallel twin cylinder, DOHC, 5 valves per cylinder | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven | Four stroke, Single cylinder, DOHC, 4 titanium valves | Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC | Four stroke, single cylinder, | Four stroke, V-twin, 2 valve per cylinder. | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. |
| Capacity: | 653 cc / 39.8 cu in | 897 cc / 54.7 cu-in | 998 cc / 60.9 cu in | 449 cc / 27.4 cu in | 847 cc / 51.6 cu-in | 249.7 cc / 15.2 cu-in | 249 cc / 15.2 cu-in | 1442 cc / 88 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 75 x 74 mm | 92 x 67.5 mm | 100 x 63.5 mm | 97.0 x 60.8mm | 78 x 59.1 mm | 69 x 66.8 mm | 75 x 56.5mm | 92.3 x 103 mm | 77 X 53.6 mm |
| Compression Ratio: | 8.4:1 | 10.4:1 | 11.4:1 | 12.5:1 | 11.5 :1 | 11.2:1 | 9.7:1 | 9.4:1 | 12.1:1 |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled | Air cooled | Air cooled | Liquid cooled |
| Induction: | 2 x Mikuni BS38 carburetors | Electronic Fuel Injection | Weber Marelli CPU 5.9M, 54mm throttle bodies, electronic fuel injection | 44mm Keihin® fuel injection | Electronic Fuel Injection | Fuel Injection | 30mm Mikuni slide carburetor | S&S Super E, 1 7/8" venturi | Fuel injection, dual-valve throttle bodies with motor-driven secondary valves, 45 mm throttle body |
| Ignition: | Battery, induction coil | TCI | Digital CDI | TCI: Transistor Controlled Ignition | Transistorized coil ignition | TCI | Flywheel-magneto CDI | Electronic, computer-controlled | TCI (Transistor Controlled Ignition) |
| Starting: | Kick | Electric | Electric | Electric | Electric | Electric | Kick | Electric | Electric |
| Max Power: | 39.5 kW / 53 hp @ 7200 rpm | 86.2 hp / 63.4kW @ 7500 rpm | 100 kW / 136 hp @ 10200 rpm | NA | 84.6 kW / 114 hp @ 10000 rpm | 20.1 hp / 14.7 kW) @ 7500 rpm | 22 hp / 16.1 kW @ 8000 rpm | 75 hp / 54.7 kW @ 5200 rpm | 174 hp / 128 kW @ 12500 rpm (Ram-air) |
| Transmission: | 5 Speed | 6 speed | 6 Speed | 5-Speed, Wide-ratio constant-mesh | 6 Speed | Automatic | 5 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | O-ring chain | Chain | Belt | Chain | Belt | #530 O-ring chain |
| Front Suspension: | Telescopic forks | Telescopic fork | Öhlins upside down fork with 43 mm of condition pipe diameter, TiN coating | 48mm Kayaba spring-type fork with speed sensitive, damping; fully adjustable | Telescopic fork | Telescopic fork, 110mm wheel travel. | 36mm stanchion tube diameter | Telescopic | 43mm Special Öhlins inverted telescopic fork w/adjustable preload, compression damping, rebound damping, |
| Rear Suspension: | Dual shock absorbers | Swingarm Link-type | A arm rocker with progressively working Öhlins central shock strut | Swingarm, link suspension, mono shock, Kayaba single shock; fully adjustable | Swingarm link suspension | Unit swing, 95mm wheel travel. | Adjustable preload monoshock | Single shock | Single Öhlins shock w/adjustable preload, separate high & low-speed compression damping, rebound damping, |
| Front Brakes: | Single disc | 2 x 298mm discs with ABS | 2 x 320 mm Discs, 4 piston calipers | Single hydraulic single 270 mm disc 4 piston caliper | Single 245mm disc | Single 267mm disc | Drum | Single disc | 2 x 320mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 248mm disc with ABS | Single 220 mm disc, 2 piston caliper | Single 245 mm disc 2 piston caliper | 2x 298mm discs | Single 240mm disc | Drum | Single disc | Single 220mm disc 4 piston caliper |
| Front Tyre: | 3.50-19 | 120/70 ZR18 | 120/70 ZR17 | 80/100-21 | 120/70 ZR17 M/C (58W) (Tubeless) | 120/70-M15 | 300-21 | 130/90-16 | 120/70 ZR17 |
| Rear Tyre: | 4.00-18 | 160/60 ZR17 | 190/50 ZR17 | 120/90-18 | 180/55 ZR17 M/C (73W) (Tubeless) | 140/70-M14 | 510-17 | 130/90-16 | 190/50 ZR17 |
| Fuel Capacity: | 12.5 Litres / 3.3 US gal | 20 Litres / 5.2 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 7.5 Litres / 2.0 US gal | 14 Litres / 3.7 US gal | 11.8 Liters / 3.3 gal | 7.5 liters / 2.0 US gal | 18 Litres / 4.7 US gal | 18 Litres / 4.7 gal |