Enduro Bikes
1981Yamaha DT 50 MX
19 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 single, four-stroke
- Gearbox
- 4-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- Not on record
Know it? Add it → - Power
- 3.1 HP
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.
Engine
- Capacity
- 50.0 ccm
- Power
- 3.1 HP
- Engine type
- Single single, four-stroke
- 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
Chassis & suspension
- Frame
- tube welding
- Rear suspension
- monoshock
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 | 50.00 ccm (3.05 cubic inches) | 50.00 ccm (3.05 cubic inches) | 50.00 ccm (3.05 cubic inches) |
| Dry weight | — | 81.0 kg (178.6 pounds) | 81.0 kg (178.6 pounds) |
| Seat height | — | 790 mm (31.1 inches) | 790 mm (31.1 inches) |
| Fuel capacity | 8.00 litres (2.11 gallons) | — | 4.23 litres (1.12 gallons) |
| Color options | — | Red and white and black and blue | Red/white, black/red, black/blue |
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.
How many gears does the Yamaha DT 50 MX have?
The 1981 Yamaha DT 50 MX has a Gearbox of 4-speed.
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