General Specifications Make Kawasaki Model Z400J Year 1980 Engine Air cooled, four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. Displacement CC 399.00 Type Standard Displacement Cubic Inches 24.35 Front Suspension Leading axle telescopic forks Rear Suspension Pivoted fork adjustable damper Electrical Ignition CDI Engine and Components Engine Air cooled, four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. Cubic Centimeters 399 Cubic Inches 24.3484738959 Bore and Stroke 52 x 47mm Compression Ratio 9.5:1 Induction 4 x 21mm Teir-Kei Drivetrain Transmission 6 Speed Final Drive chain Wheels and Tires Front Tire 90/90-19 Rear Tire 110/90-18 Weights and Measures Dry Weight LBS 394.62 Dry Weight KG 178.96 Fuel Capacity US Gallons 3.9 Fuel Capacity Litre 14.76 Performance Maximum Horsepower 43 hp 32KW @ 10500 rpm Maximum Torque 3.5Kg-m @ 8500 rpm Top Speed MPH 106.00 Top Speed KMH 170.59004 Quarter Mile Time 13.6 seconds