Yamaha TZR 250 (1987) vs Yamaha XTZ 250 Lander (2006-08) vs Yamaha XS 650F (1979)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | TZR 250 | XTZ 250 Lander | XS 650F |
| Years: | 1987 | 2006-08 | 1979 |
| Engine: | Two stroke, parallel twin cylinders, read valve, | Four stroke, single cylinder. SOHC, 2 valve | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 249 cc / 15.2 cu-in | 249 cc / 15.2 cu-in | 653 cc / 39.8 cu in |
| Bore x Stroke: | 56.4 x 50 mm | 74.0 x 58.0mm | 75 x 74 mm |
| Cooling System: | Liquid cooled | Air /oil cooled | Air cooled |
| Compression Ratio: | 5.9:1 | 9.5: 1 | 8.4:1 |
| Induction: | 2x Mikuni TM28SS carburetor | Injection | 2 x Mikuni BS38 carburetors |
| Ignition: | CDI | TCI | Battery, induction coil |
| Starting: | Kick | Electric | Electric and kick |
| Max Power: | 50 hp / 36.4 kW @ 10000 rpm | 21 hp / 15.3 kW @ 7500 rpm | 39.5 kW / 53 hp @ 7200 rpm |
| Max Torque: | 35.5 Nm / 26.2 lb-ft @ 9750 rpm | 21 Nm / 2.09 kgf-m @ 6500 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm |
| Transmission: | 6 speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Telescopic fork adjustable preload | 35mm telescopic fork | Telescopic forks |
| Rear Suspension: | Coil and gas spring preload 9-way preload position | Swingarm w/rebound-adjustable single shock | Dual shock absorbers |
| Front Brakes: | Single 320mm discs 2 piston calipers | Single 245mm disc | Twin hydraulic discs, 267 mm |
| Rear Brakes: | Single 210mm disc 1 piston caliper | Single 203mm disc | Drum |
| Front Tyre: | 100/80-17 | 80/90 -21 | 3.50H-19 4PR |
| Rear Tyre: | 120/80-17 | 120/80-18 | 4.00H-18 4PR |
| Seat Height: | 760 mm / 29.9in | 875 mm / 34.4 in | 810 mm / 31.9" |
| Dry Weight: | 128 kg / 282.1 lbs | 130 kg / 286.6 lbs | 191 kg / 420 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal | 11 Litres / 2.9 US gal | 15 Litres / 4.0 US gal |