Enduro Bikes
1998Yamaha DT 125 R
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The 1998 Yamaha DT 125 R is a two-stroke enduro bike popular with learners and trail riders. Its liquid-cooled 125cc single makes 12 hp and 13 Nm through a six-speed gearbox and chain. With a tall 900 mm seat, 119 kg wet weight and a 10-litre tank, it works on green lanes and as a lively everyday commuter.
- Capacity
- 125.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 109.0 kg
- Seat height
- 900 mm
- Power
- 12.0 HP (8.8 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a lightweight, nimble enduro for trail riding, green lanes, and playful off-road exploration rather than outright speed or long-distance travel.
- Built for
- A buzzy, high-strung two-stroke single that feels most alive when revved hard, delivering an eager, flickable, go-kart-like personality rather than sustained highway pull.
- Not ideal for
- Not a good match for riders wanting a comfortable long-distance tourer, a passenger-friendly bike, or strong stability and outright speed on paved roads.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 125.0 ccm
- Power
- 12.0 HP (8.8 kW)
- Torque
- 13.0 Nm (1.3 kgf-m)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1101 HP/kg (dry)
- Bore x stroke
- 56.0 x 50.7 mm
- Compression
- 6.7:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1415 mm
- Overall length
- 2170 mm
- Overall width
- 830 mm
- Overall height
- 1255 mm
- Seat height
- 900 mm
- Dry weight
- 109.0 kg
- Wet weight
- 119.0 kg
- Fuel capacity
- 10.00 litres
- Ground clearance
- 315 mm
Chassis & suspension
- Front wheel travel
- 270 mm
- Rear wheel travel
- 260 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 230 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 2.75-21
- Rear tyre
- 4.10-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1991 | 1994 | 1997 | 1998 | 1999 | 2002 |
|---|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc | 124 cc |
| Dry weight | 109 kg | 109 kg | 109 kg | 109 kg | 109 kg | 116 kg |
| Seat height | 900 mm | 900 mm | 900 mm | 900 mm | 900 mm | 885 mm |
| Fuel capacity | 10 L | 10 L | 10 L | 10 L | 10 L | 10 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha DT 125 R?
The 1998 Yamaha DT 125 R has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Yamaha DT 125 R have?
The 1998 Yamaha DT 125 R has a Power of 12.0 HP (8.8 kW).
How many gears does the Yamaha DT 125 R have?
The 1998 Yamaha DT 125 R has a Gearbox of 6-speed.
What is the torque of the Yamaha DT 125 R?
The 1998 Yamaha DT 125 R has a Torque of 13.0 Nm (1.3 kgf-m or 9.6 ft.lbs).
How much does the Yamaha DT 125 R weigh?
The 1998 Yamaha DT 125 R has a Dry weight of 109.0 kg (240.3 pounds).
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