400 MX Type 981

Bore x stroke

82.0 x 72.0 mm (3.2 x 2.8 inches)

Category

Cross / motocross

Color options

Blue and white

Compression

10.5:1

Cooling system

Air

Diameter

178 mm (7.0 inches)

Displacement

400.0 ccm (24.41 cubic inches)

Dry weight

106.0 kg (233.7 pounds)

Electrical

6v

Engine details

400 cc

Engine type

Single cylinder, two-stroke

Exhaust system

Single expansion chamber

Frame type

Tubular steel

Front brakes

Expanding brake (drum brake). Internal expanding

Front suspension

Oil filled 170mm gravelly

Front tire

3.00-21

Front wheel travel

170 mm (6.7 inches)

Fuel capacity

8.00 litres (2.11 US gallons)

Fuel system

Carburettor. Jikov 2932 2760

Gearbox

4-speed

Ground clearance

236 mm (9.3 inches)

Ignition

by flywheel 6v

Instruments

None

Light

None

Model

CZ 400 MX Type 981

Overall height

1130 mm (44.5 inches)

Overall length

2050 mm (80.7 inches)

Overall width

860 mm (33.9 inches)

Power

42.0 HP (30.7 kW)) @ 6800 RPM

Power/weight ratio

0.3962 HP/kg

Price as new

US$ 1200. MSRP depends on country, taxes, accessories, etc.

Rear brakes

Expanding brake (drum brake). Drum brake

Rear suspension

Mp 22x90

Rear tire

4.00-18

Rear wheel travel

90 mm (3.5 inches)

Seat

Vinyl

Seat height

836 mm (32.9 inches) If adjustable, lowest setting.

Starter

Kick

Top speed

80.5 km/h (50.0 mph)

Transmission type

Chain (final drive)

Valves per cylinder

2

Wheelbase

1390 mm (54.7 inches)

Wheels

Spoked

Year

1974