Kawasaki Z 400 F (reduced Effect) - 1985 Specifications and Reviews

The 1985 Kawasaki Z 400 F is an accessible middleweight four-cylinder sportbike ideal for novice and intermediate riders seeking authentic performance. Its compact 399cc engine delivers genuine character with distinctive in-line four refinement, while the lightweight 197kg chassis provides responsive handling. Known for combining reliability with spirited acceleration, it remains a respected stepping stone in sport riding progression.

1985
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General information

CategoryUnspecified category
Year1985
ModelKawasaki Z 400 F (reduced effect)

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemAir
Fuel controlDOHC
Valves per cylinder2
Bore x stroke52.0 x 47.0 mm (2.0 x 1.9 inches)
Compression9.5:1
Power27.00
Stroke4
Engine typeIn-line four
Capacity:399.00 ccm (24.35 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc197.0 kg (434.3 pounds)
 
 

Kawasaki Z 400 F (reduced Effect) dimensions and frame

Rear brakesExpanding brake
Front brakesDual disc
Rear tyre dimensions110/90-18
Front tyre dimensions90/90-19

Speed and acceleration

Top speed145.0 km/h (90.1 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity18.00 litres (4.76 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
9.5s
0-60 mph
90.1 mph
Top Speed

Best For

Track25%
City65%
Cornering55%
Daily Riding60%
Touring40%
Passenger40%

Rider Profile

Best ForThis is a restricted, learner-friendly version of a small-displacement inline-four, suited to new or returning riders wanting light, forgiving power delivery.
PurposeIt's best suited to commuting and casual road riding rather than outright performance or long-distance touring.
Rider FitIts light weight of around 197 kg and modest seat height make it easy to manage for smaller or less experienced riders.
CharacterThe air-cooled inline-four gives a smooth, revvy character typical of 80s Japanese fours, valuing refinement over raw torque.
Not Ideal ForIt's not the right choice for riders seeking high speed, off-road capability, or serious two-up touring comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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