The Yamaha DT 125R is an enduro motorcycle produced from 2000 across 1 variant. It is powered by a two stroke, single cylinder, reed-valve displacing 124.00 cc. Peak power output is 14 hp. Peak torque is 15.2 Nm.
About the Yamaha DT 125R
Documented here are the full technical specifications for the Yamaha DT 125R, a Enduro / Off-Road motorcycle with a production run from 1986 to 2002. Specification data includes engine type and displacement, maximum power and torque output, transmission details, frame construction, suspension travel front and rear, brake types and rotor dimensions, tyre sizes, and overall weight and dimension figures. Select a year above to view the complete spec sheet for that model year.
Yamaha DT 125R by Year
Spec Evolution
How key specs changed across production years.
No numeric spec data available for this model.
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Specification
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1987
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1989
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1991
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1993
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1997
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2000
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2001
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2002
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Engine Type
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- | - | Single cylinder | Single cylinder | Single cylinder | Single cylinder, two-stroke | Single cylinder, two-stroke | Single cylinder, two-stroke |
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Displacement (ci)
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- | - | 7.63 cubic inches | - | 7.63 cubic inches | 7.57 cubic inches ↓ | 7.63 cubic inches ↑ | 7.57 cubic inches ↓ |
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Displacement (cc)
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- | - | 125.00 cc | - | 125.00 cc | 124.00 cc ↓ | 125.00 cc ↑ | 124.00 cc ↓ |
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Seat Height
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840 mm / 33.0 in | 840 mm / 33.0 in | 840 mm / 33.0 in | 840 mm / 33.0 in | 840 mm / 33.0 in | 885 mm / 34.8 in. ↑ | 890 mm / 35.0 in. ↑ | 885 mm / 34.8 in. ↓ |
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Dry Weight
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- | - | - | - | 109 kg / 240.3 lbs | 109 kg / 240.3 lbs | 116 kg / 255.7 lbs ↑ | 116 kg / 255.7 lbs |
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Brakes - Front
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Single 230mm disc | Single 230mm disc | Single disc | Single 230mm disc | Single 230mm disc | Single disc | Single disc | Single disc |
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Wheelbase
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1360 mm / 53.5 in | 1360 mm / 53.5 in | 1360 mm / 53.5 in | 1360 mm / 53.5 in | 1360 mm / 53.5 in | - | 1,415 mm / 55.7 in. | 1,415 mm / 55.7 in. |
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Brakes - Rear
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Single 220mm disc | Single 220mm disc | Single 220mm disc | Single 220mm disc | Single 220mm disc | Single disc | Single disc | Single disc |
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Fuel Capacity
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10 Litres / 2.2 gal | 10 Litres / 2.2 gal | 10 Litres / 2.2 gal | 10 Litres / 2.2 gal | 10 Litres / 2.2 gal | - | 10.00 litres / 2.64 gallons | - |
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Top Speed
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124.6 km/h / 77.5 mph | 124.6 km/h / 77.5 mph | 110.0 km/h / 68.4 mph ↓ | 124.6 km/h ↑ | 124.6 km/h | - | 103.0 km/h / 64.0 mph | - |
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Height
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1255 mm / 49.4 in | 1255 mm / 49.4 in | 1255 mm / 49.4 in | 1255 mm / 49.4 in | 1255 mm / 49.4 in | - | - | 1,255 mm / 49.4 in. |
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Length
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2135 mm / 81.0 in | 2135 mm / 81.0 in | 2135 mm / 81.0 in | 2135 mm / 81.0 in | 2135 mm / 81.0 in | - | - | 2,170 mm / 85.4 in. |
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Compression Ratio
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6.8:1 | 6.8:1 | 6.8:1 | 6.8:1 | 6.8:1 | - | - | 6.7:1 |
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Tyres - Front
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2.75-21 | 2.75-21 | 2.15-21 ↓ | 2.75-21 ↑ | 2.75-21 | - | - | - |
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Width
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820 mm / 32.2 in | 820 mm / 32.2 in | 820 mm / 32.2 in | 820 mm / 32.2 in | 820 mm / 32.2 in | - | - | 830 mm / 32.7 in. |
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Max Torque
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1.5 kgf-m / 15.2 Nm @ 6500 rpm | 1.5 kgf-m / 15.2 Nm @ 6500 rpm | 1.5 kgf-m / 15.2 Nm @ 6500 rpm | 1.5 kgf-m / 15.2 Nm @ 6500 rpm | 1.5 kgf-m / 15.2 Nm @ 6500 rpm | 13.00 Nm (1.3 kgf-m or 9.6 ft.lbs) @ 6500 ↑ | 14.20 Nm (1.4 kgf-m or 10.5 ft.lbs) @ 7000 ↑ | 14.20 Nm (1.4 kgf-m or 10.5 ft.lbs) @ 7000 |
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Power-to-Weight Ratio
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- | - | - | - | 0.1101 HP/kg | 0.1193 HP/kg | 0.1207 HP/kg | 0.1216 HP/kg |