Member classic
1978 Yamaha DT 250
Pre-1980 pioneer
- Make
- Yamaha
- Model
- DT 250
- Year
- 1978
- Engine
- 250 cc
- Type
- Air-cooled 2-stroke single
- Owner
- G.W.
Notes & specs
The 1978 Yamaha DT 250 is a classic air-cooled two-stroke trail bike that was a favourite for dual-purpose riding and light enduro work. Simple, light and torquey, it still turns up regularly at club events. Specs below are approximate period claims.
Engine & Drivetrain
- Engine Type
- Air-cooled 2-stroke single
- Bore × Stroke
- 70.0 × 64.0 mm
- Compression Ratio
- 6.8:1
- Power
- ~23 hp @ 6,000 rpm
- Torque
- ~2.7 kg-m @ 5,500 rpm
- Fuel System
- Mikuni carburettor
- Starting
- Kick
- Transmission
- 5-speed
- Final Drive
- Chain
Suspension & Brakes
- Front Suspension
- Telescopic forks
- Rear Suspension
- Dual-shock swingarm
- Front Brakes
- Drum
- Rear Brakes
- Drum
Dimensions & Capacity
- Seat Height
- ~850 mm
- Dry Weight
- ~118 kg
- Wet Weight
- ~130 kg
- Ground Clearance
- ~250 mm
- Wheelbase
- ~1,400 mm
- Fuel Capacity
- ~9.5 L
- Overall Length
- ~2,150 mm