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Enduro Bikes

1983Yamaha DT 50 MX

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The 1983 Yamaha DT 50 MX is a lightweight 50cc two-stroke enduro designed for young riders and beginners seeking affordable, reliable off-road adventure. Its air-cooled single-cylinder engine and six-speed transmission deliver accessible performance across varied terrain. Known for durability and ease of maintenance, the DT 50 MX remains a popular entry-level machine for learning fundamental riding skills.

Capacity
50.0 ccm
Engine
Single single, four-stroke
Gearbox
6-speed
Dry weight
81.0 kg
Seat height
790 mm
Power
5.4 HP

What’s new for the 1983 Yamaha DT 50 MX

vs the 1982
Spec19821983
Engine capacity 50.00 ccm (3.05 cubic inches) 50.0 ccm (3.05 cubic inches)
Power 3.10 HP 5.4 HP
Top speed 104.6 km/h (65.0 mph)
Fuel capacity 4.20 litres (1.11 US gallons)
Gearbox 5-speed 6-speed
Front suspension oil filled
Other years 1981 1982 1983

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 15Agility 78Comfort 35Off-road 65Touring 15Road manners 30
Off-road & trail65%
Cornering45%
City riding50%
Daily riding35%
Touring15%
Two-up10%
Track10%
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 us
At 790mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 1983 Yamaha DT 50 MX, with a cramped knee angle of around 65 degrees and a slightly forward riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
50.0 ccm
Power
5.4 HP
Engine type
Single single, four-stroke
Power/weight ratio
0.0667 HP/kg
Cooling system
Air
Fuel system
Carburettor
Starting
Electric & kick
Ignition
key and kickstart
Lubrication system
Oil pump
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
wet plate
Performance
Top speed
104.6 km/h (65.0 mph)
Dimensions & weight
Overall width
262 mm
Seat height
790 mm
Dry weight
81.0 kg
Wet weight
85.0 kg
Fuel capacity
4.20 litres
Ground clearance
254 mm
Oil capacity
1.00 litres
Front percentage of weight
45
Chassis & suspension
Front suspension
oil filled
Rear suspension
monoshock
Front wheel travel
203 mm
Brakes & wheels
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)
Other
Color options
Red/white, black/red, black/blue

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 198119821983
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

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1 rating

Common questions

What is the engine size of the Yamaha DT 50 MX?

The 1983 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 1983 Yamaha DT 50 MX has a Power of 5.4 HP.

How many gears does the Yamaha DT 50 MX have?

The 1983 Yamaha DT 50 MX has a Gearbox of 6-speed.

How much does the Yamaha DT 50 MX weigh?

The 1983 Yamaha DT 50 MX has a Dry weight of 81.0 kg (178.6 pounds).

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