1978 Yamaha DT 125 E
Enduro and Offroad

1978 Yamaha DT 125 E Specifications

  • Updated: 2023-03-20

General information

ModelYamaha DT 125 E
Year1978

Engine and transmission

Displacement123.0 ccm (7.51 cubic inches)
Engine typeSingle cylinder, two-stroke
Power10.0 HP (7.3 kW) @ 6800 RPM
Top speed110.0 km/h (68.4 mph)
Compression7.1:1
Bore x stroke56.0 x 50.0 mm (2.2 x 2.0 inches)
Fuel controlMembrane
Cooling systemAir
Gearbox5-speed
Transmission typeChain (final drive)

Chassis, suspension, brakes and wheels

Front tire2.75-21
Rear tire3.25-18
Front brakesExpanding brake
Rear brakesExpanding brake
Weight incl. oil, gas, etc119.0 kg (262.4 pounds)
Fuel capacity7.00 litres (1.85 US gallons)
Show all bikes made in 1978