1978 Yamaha DT 125 MX
General motorcycle information
Engine and transmission
Displacement
7.51 cubic inches (123.0 ccm)
Engine type
Single cylinder, 2 stroke
Power
14.0 horsepowers (10.4 kiloWatts)
at 7000 RPM
Torque
7.23 pound-foot/lbf-ft (9.80 Nm / 1.00 kgf-m)
at 6500 RPM
Compression
-
Bore x stroke
3.42 x 3.05 inches (56.0 x 50.0 mm)
Fuel system
Carburettor
Fuel control
Membrane
Cooling system
Air
Gearbox
6-speed
Transmission type, final drive
Chain
Starter
Kick
Fuel consumption
-
Top speed
110.0 kmh (68.4 mph)
Chassis, suspension, brakes and wheels
Rake (fork angle)
30.0°
Front suspension travel
10.98 inches (180.0 mm)
Rear suspension travel
8.85 inches (145.0 mm)
Front tyre
2.75-21
Rear tyre
3.00-18
Front brake
Expanding brake (drum)
Front brakes diameter
7.93 inches (130.0 mm)
Rear brake
Expanding brake (drum)
Rear brakes diameter
7.93 inches (130.0 mm)
Physical measures and capacities
Dry weight
209.4 pounds (95.0 kg)
Wet weight
224.9 pounds (102.0 kg)
Seat height
51.6 inches (845 mm)
Wheelbase
-
Overall length
127.2 inches (2085 mm)
Overall width
52.8 inches (865 mm)
Overall height
68.3 inches (1120 mm)
Ground clearance
16.2 inches (265 mm)
Fuel capacity
1.85 gallons (7.0 litres)
Reserve fuel capacity
0.26 gallons (1.0 litres)
Oil capacity
0.26 gallons (1.0 litres)
Further motorcycle information
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