CZ 400 MX Type 981: history, specs, pictures

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CZ 400 MX Type 981
Production 1974
single cylinder, two-stroke
Bore / Stroke 82.0mm x 72.0mm
Top Speed 50 mph (80 km/h)
Horsepower 41.17 HP (30.7 KW) @ 6800RPM
Fuel System carburetor. jikov 2932 2760
Ignition by flywheel 6v
Transmission Gear box: 4-speed
Final Drive: chain
Suspension Front: oil filled 170mm gravelly
Rear: mp 22x90
Brakes Front: expanding brake (drum brake). internal expanding
Rear: expanding brake (drum brake). drum brake
Wheelbase 54.72 inches (1390 mm)
Length 80.71 inches (2050 mm)
Width 33.86 inches (860 mm)
Height 44.49 inches (1130 mm)
Seat Height 32.91 inches (836 mm)
Weight 233.69 pounds (106.0 Kg) (dry),
Fuel Capacity 2.11 Gallon (8.00 Liters)
Manuals Service Manual

The CZ 400 MX Type 981 was a single cylinder, two-stroke standard produced by CZ in 1974. It could reach a top speed of 50 mph (80 km/h). Claimed horsepower was 41.17 HP (30.7 KW) @ 6800 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 82.0mm bore x 72.0mm stroke result in a displacement of just 400.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 4-speed transmission.

Chassis[edit | edit source]

Stopping was achieved via expanding brake (drum brake). internal expanding in the front and a expanding brake (drum brake). drum brake in the rear. The front suspension was a oil filled 170mm gravelly while the rear was equipped with a mp 22x90. The 400 MX Type 981 was fitted with a 2.11 Gallon (8.00 Liters) fuel tank. The bike weighed just 233.69 pounds (106.0 Kg). The wheelbase was 54.72 inches (1390 mm) long.