Yamaha DT 250 MX 1978 - Specifications & Review

Article Complete Info
| Articleid | 462112 |
|---|---|
| Category | Enduro-offroad |
| Make | Yamaha |
| Model | DT 250 MX |
| Year | 1978 |
Chassis, Suspension, Brakes & Wheels
| Frontbrakes | Expanding brake |
|---|---|
| Fronttyre | 3.00-21 |
| Rearbrakes | Expanding brake |
| Reartyre | 4.00-18 |
Engine & Transmission
| Borexstroke | 70.0 x 64.0 mm (2.8 x 2.5 inches) |
|---|---|
| Compression | 6.7:1 |
| Coolingsystem | Air |
| Displacement | 246.00 ccm (15.01 cubic inches) |
| Enginedetails | Single cylinder, two-stroke |
| Gearbox | 5-speed |
| Power | 16.00 HP (11.7 kW)) @ 5400 RPM |
| Topspeed | 109.0 km/h (67.7 mph) |
| Transmissiontypefinaldrive | Chain |
Physical Measures & Capacities
| Fuelcapacity | 9.00 litres (2.38 gallons) |
|---|---|
| Weightincloilgasetc | 135.0 kg (297.6 pounds) |
About Yamaha DT 250 MX 1978
The 1978 Yamaha DT 250 MX is a quintessential representation of the late '70s enduro-offroad motorcycle, designed to strike a balance between rugged performance and everyday usability. As part of Yamaha's acclaimed DT series, this motorcycle carved out a niche for itself among adventure seekers and trail enthusiasts alike. With its lightweight design, powerful engine, and versatile features, the DT 250 MX quickly garnered a loyal following, making it a favorite for those who craved both on-road and off-road thrills.
At the heart of the DT 250 MX lies a spirited 246cc single-cylinder, two-stroke engine. Generating 16 horsepower at 5400 RPM, this powerhouse delivers a thrilling ride, allowing the bike to reach top speeds of 67.7 mph. The engine's 6.7:1 compression ratio and a bore-stroke ratio of 70.0 x 64.0 mm ensure quick acceleration and lively performance, perfect for tackling tough trails or cruising through city streets. The 5-speed gearbox, paired with a chain final drive, provides smooth transitions between gears, allowing riders to optimize their performance in various riding conditions. This combination of power and agility ensures an exhilarating experience, whether navigating rocky terrain or zipping through winding roads.
One of the standout features of the DT 250 MX is its lightweight chassis, weighing in at just 297.6 pounds when fully fueled. This nimble build enhances maneuverability, making it easier for riders to tackle sharp turns and challenging obstacles. The motorcycle is equipped with expanding brakes both front and rear, providing ample stopping power while maintaining the bike’s agile characteristics. With a fuel capacity of 2.38 gallons, the DT 250 MX offers a commendable range for those long rides into the wilderness. Its air-cooled engine further simplifies maintenance, appealing to riders who value reliability during their off-road escapades.
Pros:
- Lightweight Design: The DT 250 MX's low weight enhances its maneuverability, making it an excellent choice for both novice and seasoned riders.
- Strong Engine Performance: The two-stroke engine delivers a spirited ride with quick acceleration and a respectable top speed, ideal for a range of riding environments.
- Versatile Functionality: Capable of excelling on both paved roads and rugged trails, it is a versatile bike suitable for various riding styles.
Cons:
- Limited Fuel Capacity: With a 2.38-gallon tank, riders may find themselves stopping for fuel more frequently on longer journeys.
- Basic Suspension: While sufficient for most trails, the suspension setup may not provide the advanced performance found in more modern enduro models.
- Older Technology: As a classic motorcycle, the DT 250 MX lacks some of the modern amenities and safety features that contemporary riders expect, which may deter some buyers.
Overall, the 1978 Yamaha DT 250 MX remains a beloved classic, cherished for its simplicity and rugged reliability. It represents a time when the thrill of adventure was paramount, and it continues to draw admiration from motorcycle enthusiasts who appreciate its blend of vintage charm and off-road capability.
