Yamaha TDR 250 (1992-93) vs Suzuki GSX 750F Katana (2006-07) vs Yamaha YZF 1000 R1 (2013) vs Yamaha XS 850G (1979)
Comparison technical specifications
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| Make: | Yamaha | Suzuki | Yamaha | Yamaha |
| Model: | TDR 250 | GSX 750F Katana | YZF 1000 R1 | XS 850G |
| Years: | 1992-93 | 2006-07 | 2013 | 1979 |
| Engine: | Two stroke, parallel twin cylinder, read valve, YPVS | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 748 cc / 45.6 cu.in | 998 cc / 60.9 cu-in | 826 cc / 50.4 cu in |
| Bore x Stroke: | 56.4 х 50 mm | 73 x 44.7 mm | 78 X 52.2 mm | 71.5 x 68.6 mm |
| Cooling System: | Liquid cooled | Air/oil cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 5.9:1 | 10.9:1 | 12.8:1 | 9.2:1 |
| Induction: | 2x 28mm TM28SS Mikuni carburetors | 4 x 36mm Mikuni BST36SS carburators | Mikuni 45mm throttle body FI | 3 x 34mm Hitachi carburetors |
| Ignition: | Transistorized | Electronic ignition | TCI: Transistor Controlled Ignition | Battery powered triggered |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 46 hp / 37 kW @ 10000 rpm | 69 kW / 92 hp @ 10500 rpm | 133.9 kW / 182 hp @ 12500 rpm | 57.7 kW / 79 hp @ 8500 rpm |
| Transmission: | 6 Speed | 6 Speed, constant mesh | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain, 118 Links | "O" ring chain | Shaft |
| Front Suspension: | Air assisted telescopic forks 7-way adjustable preload | 41mm Telescopic fork, coil spring, oil damped, rebound damping adjustable, 3-way adjustable | 43mm inverted telescopic fork w/adjustable preload, compression damping, rebound damping; | Air assisted telescopic forks |
| Rear Suspension: | Single shock rising rate adjustable preload | Link type, gas/coil spring, gas/oil damped, spring pre-load fully adjustable, compression damping force fully adjustable, rebound damping force 4-way adjustable | Single shock w/piggyback reservoir; adjustable for hi-/lo-speed compression damping, rebound damping, spring preload, | Swing arm 4-way adjustable damping |
| Front Brakes: | Single 320mm disc 2 piston calipers | 2 x 290 mm Discs, 2 piston calipers | 2x 310mm discs 6 piston calipers | 2 x 267mm Discs, 1 piston calipers |
| Rear Brakes: | Single 210mm disc single piston caliper | Single 250 mm disc, 2 piston caliper | Single 220mm disc 1 piston caliper | Single 267mm disc, 1 piston caliper |
| Front Tyre: | 110/90-18 | 120/80-ZR17 | 120/70 ZR17 | 3.25-19 |
| Rear Tyre: | 120/80-17 | 150/70-ZR17 | 190/55 ZR17 | 4.00-18 |
| Wet Weight: | 153 kg / 337 lbs | 227 kg / 500 lbs | 206 kg / 454 lb | 258 kg / 569 lbs |
| Fuel Capacity: | 14 Litres / 3.6 US gal | 20 Litres / 5.2 US gal / 4.4 Imp gal | 18 Litres / 4.8 gal | 24 Litres / 6.3 US gal |
| Standing ¼ Mile: | 13.6 sec / 152.8 km/h | 11.5 sec | 10.5 sec | 13.3 sec / 158 km/h / 98.2 mph |