MotoLibrary MotoLibrary
← Yamaha
Enduro - Offroad · 1979

DT 250F

User Rating: /5 · No user ratings yet ✓ Your rating was saved
MotoLibrary Score
38 /100 Commuter
Power
16 HP
Top Speed
109 km/h
Engine
246 ccm

1979 Yamaha DT 250F Technical Analysis & Specification Breakdown

Engineered by Yamaha for the enduro - offroad motorcycle segment, the 1979 Yamaha DT 250F pairs a 246 cc (15 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 16 HP (11.7 kW) at 5,400 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 65 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 109 km/h (68 mph).

Specific Output
65 HP/L
Engine
Displacement 246.0 ccm (15.01 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 16.0 HP (11.7 kW)) @ 5400 RPM
Compression 6.7:1
Bore x Stroke 70.0 x 64.0 mm (2.8 x 2.5 inches)
Fuel System Carburettor
Fuel Control Membrane
Cooling Air
Max RPM 7000
Transmission
Final Drive Chain (final drive)
Performance
Top Speed 109.0 km/h (67.7 mph)
Wheels & Brakes
Front Tyre 3.00-21
Rear Tyre 4.00-18
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Fuel Capacity 9.00 litres (2.38 US gallons)
Other
Starter Kick
More from Yamaha
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🌲
Best For
Off-Road & Adventure
Estimate

Ownership Cost Calculator

⛽ Fuel
per year
🔧 Maintenance
per year
🛡️ Insurance
per year
TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

MotoLibrary
🏠 Home 🔍 All Bikes 📂 Categories ⚖️ Compare 🎛️ Advanced Filter 🎯 Bike Finder 🎬 Videos 📰 Blog 📖 Glossary ℹ️ About

🍪 We use cookies for analytics & ads. Cookie Policy