Yamaha SDR 200 (1990-92) vs Yamaha SRX 600 (1989-97) vs Yamaha TZR 250SP (1990)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | SDR 200 | SRX 600 | TZR 250SP |
| Years: | 1990-92 | 1989-97 | 1990 |
| Engine: | Two stroke, single cylinder, YPVS | Four stroke, single cylinder, SOHC, 4 valve | Two stroke, parallel twin cylinders, read valve, |
| Capacity: | 195 cc / 11.8 cu-in | 608 cc / 37.1 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 66 х 57 mm | 96 х 84 mm | 56.4 x 50 mm |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 5.9:1 | 8.5:1 | 5.9:1 |
| Induction: | 28mm Flat-side Mikuni carburetor | 27mm Teikei 2KY27PV carburetor | 2x Mikuni TM28SS carburetor |
| Ignition: | Transistorized | CDI | CDI |
| Starting: | Electric | Kick | Kick |
| Max Power: | 34 hp / 24.1 kW @ 9000 rpm | 45 hp / 34 kW @ 6500 rpm | 50 hp / 36.4 kW @ 10000 rpm |
| Max Torque: | 2.8 kgf-m / 20.2 lb-ft @ 8000 rpm | 4.9 kgf-m / 34 lb-ft / 46 Nm @ 5500 rpm | 35.5 Nm / 26.2 lb-ft @ 9750 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | 33mm Telescopic forks | 36mm Telescopic forks | Telescopic fork adjustable preload |
| Rear Suspension: | Monocross 9-way preload | Dual Kayaba shocks 5-way adjustable for preload | Coil and gas spring preload 9-way preload position |
| Front Brakes: | Single disc 2 piston caliper | 2x 267mm disc | Single 320mm discs 2 piston calipers |
| Rear Brakes: | Single disc 2 piston caliper | Single 240mm disc | Single 210mm disc 1 piston caliper |
| Front Tyre: | 90/80-17 | 110/70-17 | 100/80-17 |
| Rear Tyre: | 110/80-17 | 150/60-17 | 120/80-17 |
| Dimensions: | Length 1945 mm / 76.6 in Width 680 mm / 26.8 in | Length 2049 mm / 80.6 in Width 740 mm / 29.1 in Height 1140 mm / 44.8 in | Length 2005 mm / 78.9 in Width 660 mm / 25.9 in |
| Wheelbase: | 1335 mm / 52.6 in | 1380 mm / 54.3 in | 1375 mm / 54.1 in |
| Seat Height: | 770 mm / 30.3 in | 770 mm / 20.3 in | 760 mm / 29.9in |
| Dry Weight: | 105 kg / 231 lbs | 155 kg / 341.7 lbs | 128 kg / 282.1 lbs |
| Wet Weight: | 115 kg / 254 lbs | 172 kg / 379.2 lbs | 140 kg / 308.6 lbs |
| Fuel Capacity: | 9.5 Litres / 3.0 US gal | 15 Litres / 3.9 gal | 16 liters / 4.2 US gal |