Yamaha XT 600Z Ténéré 3AJ (1990) vs Yamaha TDR 125 (1989-92) vs Suzuki GN 250 (1988-92) vs Suzuki GSX 400X Impulse (1986-87)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Suzuki | Suzuki |
| Model: | XT 600Z Ténéré 3AJ | TDR 125 | GN 250 | GSX 400X Impulse |
| Years: | 1990 | 1989-92 | 1988-92 | 1986-87 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Two stroke, single cylinder | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 595 cc / 36.3 cu-in | 124 cc / 7.6 cu-in | 249 cc / 15.2 cu in | 399 cc / 24.3 cu in |
| Bore x Stroke: | 95 x 84 mm | 56 x 50.7 mm | 72 x 61.2 mm | 52 x 47 mm |
| Compression Ratio: | 8.5:1 | 6.6:1 | 8.9:1 | 11.8:1 |
| Induction: | 27mm Dual stage Teikei Y 27 PV carburetor | 28mm Mikuni TM carburetor | 34mm Mikuni carburetor | 4 x 29 mm carburetors |
| Ignition: | CDI | Electronic | Analog CDI | Transistorised |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 46 hp / 34 kW @ 6000 rpm | 25 hp / 18.6 kW @ 9500 rpm | 16.4 kW / 22 hp @ 8500 rpm | 43 kW / 59 hp @ 12000 rpm |
| Max Torque: | 4.5 kgf-m / 51 Nm @ 5750 rpm | 2.1 kgf-m / 15.1 lb-ft @ 9500 rpm | 19 Nm / 1.94 kgf-m / 14.0 lb-ft @ 6500 rpm | 37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 10500 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | 520 Chain, 106 link | Chain | Chain | Chain |
| Front Suspension: | Telescopic forks. | 38mm Telescopic forks | Telescopic fork | Telescopic forks |
| Rear Suspension: | Rising-rate oil/gas monoshock adjustable for preload and rebound | Monoshock with 5-way adjustable preload | Dual shocks, 5-way preload | Dual shocks preload adjustable. |
| Front Brakes: | Single 267mm disc | Single 282mm disc 2 piston caliper, | Single disc | 2 x 290 mm Discs, 2 piston calipers |
| Rear Brakes: | Single 220mm disc | Single 220mm disc 1 piston caliper. | Drum | Single disc, 1 piston caliper |
| Front Tyre: | 3.00 S21 | 100/90-18 | 3.00-18 | 110/80-17 |
| Rear Tyre: | 120/80 S18 | 130/80-17 | 4.60-16 | 130/80-17 |
| Dry Weight: | 165 kg / 363.7 lbs | 135 kg / 297.6 lbs | 129 kg / 284 lbs | 153 kg / 337 lbs |
| Fuel Capacity: | 23 Litres / 6.0 US gal | 11 Litres / 2.9 US gal | 10.3 Litres / 2.7 US gal / 2.3 Imp gal | 18 Litres / 4.8 US gal / 4.0 Imp gal |