Honda CT125: history, specs, pictures

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1977 honda Ct125.jpg
'Honda CT125'
Also called CT 125, CT125 Trail
Production 1977 - 1980
Class [[:Category:Enduro motorcycles|Enduro]] [[Category:Enduro motorcycles]]
Single cylinder, 4-stroke, air-cooled
Bore / Stroke 55.9mm x 55.9mm
Compression ratio 8.0:1
Top Speed 57 mph (91 km/h)
Fuel System Carburetor
Ignition kick
Spark Plug NGK D8E-A
Battery YUASA 6N4C-1B
Transmission Gear box: 5-Speed manual

Final Drive: Chain

Clutch: Wet Multi-Plate
Final Drive Chain: 428x102
Front Sprocket 14T
Rear Sprocket 52T
Suspension Front: Invert fork
Rear: Twin Rear Spring
Brakes Front: Drum 140 mm
Rear: Drum 130 mm
Front Tire 3/19-4PR
Rear Tire 4/18-4PR
Wheelbase 50.98 inches (1295 mm)
Length 80.12 inches (2035 mm)
Width 35.39 inches (899 mm)
Height 43.31 inches (1100 mm)
Seat Height 31.89 inches (810 mm)
Weight 238.1 pounds (108.0 Kg) (dry), 112.0 kg (wet)
Recommended Oil Honda GN4 10W-40
Fuel Capacity 1.6 Gallon (6.05 Liters)
Manuals Service Manual

The Honda CT125 was a Single cylinder, 4-stroke, air-cooled Enduro motorcycle produced by Honda between 1977 and 1980. It could reach a top speed of 57 mph (91 km/h).


The engine was a air cooled Single cylinder, 4-stroke, air-cooled. A 55.9mm bore x 55.9mm stroke result in a displacement of just 124.0 cubic centimeters.


The bike has a 5-Speed manual transmission. Power was moderated via the Wet Multi-Plate.


It came with a 3/19-4PR front tire and a 4/18-4PR rear tire. Stopping was achieved via Drum 140 mm in the front and a Drum 130 mm in the rear. The front suspension was a Invert fork while the rear was equipped with a Twin Rear Spring. The CT125 was fitted with a 1.6 Gallon (6.05 Liters) fuel tank. The bike weighed just 238.1 pounds (108.0 Kg). The wheelbase was 50.98 inches (1295 mm) long.

1980 Honda CT125

The Honda CT125 model is a Enduro / offroad bike manufactured by Honda. In this version sold from year 1979, the dry weight is 108.0 kg (238.1 pounds) and it is equiped with a Single cylinder, four-stroke motor. The Honda CT125 have a frame with front suspension being Inverted Forks and in the rear suspension it is equiped with Twin Rear Spring. Stock tire sizes are 3/19-4PR on the front, and 4/18-4PR on the rear.


1977 Honda CT125

The Honda CT125'77 Trail 125 was sold in 1977 and came in Shiny Orange. The "TRAIL 125" decals were yellow and white. It had a solo seat and a chrome rear carrier, handlebar, and lower frame brush guards. The front wheel was 19" while the rear was 18". The serial number began CT125-1010366.


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