CZ 125: history, specs, pictures

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1975 CZ 125

The CZ 125 was a single cylinder, two-stroke allround motorcycle produced between 1974 and 2001. It could reach a top speed of 53 mph (85 km/h). Claimed horsepower was 9.79 HP (7.3 KW) @ 5500 RPM.

Engine[edit]

The engine was a liquid cooled single cylinder, two-stroke. A 52.0mm bore x 58.0mm stroke result in a displacement of just 123.0 cubic centimeters. The engine featured a 8.6:1 compression ratio. Fuel was supplied via a port control.

Drive[edit]

The bike has a 5-speed transmission. The final drive was via chain. Power was moderated via the wet plate.

Chassis[edit]

It came with a 2.75-21 front tire and a 3.50-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a forks while the rear was equiped with a twin shocks. The 125 was fitted with a 3.3 Gallon (12.50 Liters) fuel tank. The bike weighed just 277.78 pounds (126.0 Kg). The wheelbase was 76.77 inches (1950 mm) long.

In Media[edit]

CZ 125
Manufacturer CZ
Also called 125 Sport, 125 Trail
Production 1974 - 2001
Class Road
Engine single cylinder, two-stroke
Bore / Stroke 52.0mm x 58.0mm
Top speed 53 mph (85 km/h)
Horse Power 9.79 HP (7.3 KW) @ 5500RPM
Fuel system carburettor. jikov 24mm
Battery 8.6:1
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet plate
Suspension Front: forks
Rear: twin shocks
Brakes Front: single disc
Rear: expanding brake
Front Tire 2.75-21
Rear Tire 3.50-18
Wheelbase 76.77 inches (1950 mm)
Dimensions L 50.98 inches (1295 mm)
W 25.59 inches (650 mm)
H 39.57 inches (1005 mm)
Seat height 33.46 inches (850 mm)
Weight 277.78 pounds (126.0 Kg) (dry), 127.0 kg (wet)
Fuel capacity 3.3 Gallon (12.50 Liters)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The CZ 125 was a single cylinder, two-stroke Road motorcycle produced by CZ between 1974 and 2001. It could reach a top speed of 53 mph (85 km/h). Claimed horsepower was 9.79 HP (7.3 KW) @ 5500 RPM.

Engine[edit]

The engine was a liquid cooled single cylinder, two-stroke. A 52.0mm bore x 58.0mm stroke result in a displacement of just 123.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit]

The bike has a 5-speed transmission. Power was moderated via the wet plate.

Chassis[edit]

It came with a 2.75-21 front tire and a 3.50-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a forks while the rear was equipped with a twin shocks. The 125 was fitted with a 3.3 Gallon (12.50 Liters) fuel tank. The bike weighed just 277.78 pounds (126.0 Kg). The wheelbase was 76.77 inches (1950 mm) long.

In Media[edit]