Enduro Bikes
1981Yamaha DT 50 MX
26 fields on record
The 1981 Yamaha DT 50 MX is a lightweight enduro bike designed for young riders and beginners seeking off-road adventure. Powered by a simple 50cc two-stroke single-cylinder engine, it delivers reliable performance and easy handling on trails and dirt terrain. Known for its affordability and durability, the DT 50 MX became a popular entry-level motorcycle for learning fundamental riding skills.
- Capacity
- 50.0 ccm
- Engine
- Single
- Gearbox
- 4-speed
- Dry weight
- 81.0 kg
- Seat height
- 790 mm
- Power
- 3.1 HP (2.3 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a small dual-purpose 50cc trail bike, it's meant for light off-road exploring, commuting short distances, and casual fun rather than outright performance.
- Built for
- It has a playful, nimble, go-anywhere personality typical of small two-stroke trail bikes, prioritizing lightness and simplicity over speed.
- Not ideal for
- This bike is not for riders wanting highway speed, long-distance touring comfort, or a capable passenger-carrying setup.
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
- 50.0 ccm
- Power
- 3.1 HP (2.3 kW)
- Engine type
- Single
- Power/weight ratio
- 0.0383 HP/kg (dry)
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Ignition
- key
- Lubrication system
- Oil pump
- Torque
- Not on record - add it
Transmission
- Gearbox
- 4-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- wet plate
Dimensions & weight
- Seat height
- 790 mm
- Dry weight
- 81.0 kg
- Wet weight
- 85.0 kg
- Fuel capacity
- 8.00 litres
- Ground clearance
- 255 mm
- Oil capacity
- 0.70 litres
Chassis & suspension
- Frame
- tube welding
- Front suspension
- oil filled
- Rear suspension
- monoshock
- Front wheel travel
- 203 mm
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake (drum brake)
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 | 1981 | 1982 | 1983 |
|---|---|---|---|
| Capacity | 50 cc | 50 cc | 50 cc |
| Dry weight | 81 kg | 81 kg | 81 kg |
| Seat height | 790 mm | 790 mm | 820 mm |
| Fuel capacity | 8 L | — | 8.5 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 50 MX?
The 1981 Yamaha DT 50 MX has a Capacity of 50.0 ccm (3.05 cubic inches).
What engine power does the Yamaha DT 50 MX have?
The 1981 Yamaha DT 50 MX has a Power of 3.1 HP (2.3 kW).
How many gears does the Yamaha DT 50 MX have?
The 1981 Yamaha DT 50 MX has a Gearbox of 4-speed.
How much does the Yamaha DT 50 MX weigh?
The 1981 Yamaha DT 50 MX has a Dry weight of 81.0 kg (178.6 pounds).
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