1980 Z 1000 H1  
Identification    
 Letter designation    H1
 Color     Black with gold and white stripes
 Frame #    KZTOOH000001 (are these correct?)
 Engine #    KZTOOHE-000001 (are these correct?)
     
Dimensions    

 Overall length

   2,240 mm

 Overall width

   815 mm

 Overall height

   1,155 mm
 Wheelbase    1,490 mm
 Road clearance    155 mm
 Dry weight    245 kg
 Fuel tank capacity    17.8 l
     
Performance     
 Climbing ability    30°
 Braking distance    11 m from 50 kph
 Minimum turning radius    2.4 m
     
Engine     
 Type    4 stroke, DOHC, 4 cylinder, air cooled 
 Bore and stroke    70.0 mm x 66.0 mm
 Displacement    1015 cc
 Compression ratio    8.7
 Maximum horsepower    96 hp @ 8,000 rpm
 Maximum torque    9.1 kg-m @ 7,000 rpm
 Valve timing    

 Inlet

 

Open

Closed

Duration 

 30° BTDC

 70° ABDC

 280°

 Exhaust

 

Open

Closed

Duration 

 70° BBDC

 30° ATDC

 280°

 Carburetion system    Electronic fuel injection
 Lubrication system    Wet sump
 Engine oil Type   SAE 10W40, 10W50, 20W40, 20W50
  Capacity  3.7 l
 Starting system    Electric starter and kick
 Ignition system    Battery and coil (transistorized)
 Cylinder numbering method    Left to right, 1-2-3-4
 Firing order    1-2-4-3
 Ignition timing    From 10° BTDC @ 1,000 rpm to 40° BTDC @ 2,350 rpm
 Spark plugs    NGK B8ES or ND W24ES-U
     
Transmission     
 Type    5 speed, constant mesh, return shift
 Clutch    Multi-disc, wet
 Gear ratio 1st   3.17
  2nd  2.19
  3rd  1.67
  4th   1.38
  5th   1.22
  6th   -
 Primary reduction ratio    1.73
 Final reduction ratio    2.33
 Overall drive ratio    4.92
   
Electrical equipment     
 Alternator    Kokusan GP 9113
 Regulator/rectifier    Shindengen SH 230-12C
 Ignition coils    Toyo Denso ZC005-TR12V
 Battery    Yuasa YB 14L-A2
 Starter motor    Mitsuba SM-226-K
 Headlight Type   Semi-sealed
  Bulb   12V 60/55W
 Tail/brake light    12V 5/21W x2
 City light    
 Turn signal lights    
 Meter lights    12V 3.4W
 Indicator lights    12V 3.4W
 Horn    12V 2.5A
     
Frame     
 Type    Tubular, double cradle
 Steering angle    41° to either side
 Castor    26°
 Trail    87 mm
 Tire size Front   3.25 - 19
  Rear   4.00 - 18
 Suspension Front   Telescopic fork
  Rear   Swing arm
 Suspension stroke Front   140 mm
  Rear   90 mm
 Front fork oil Type   SAE 10W20
  Capacity   184 +-4 cc
  Oil level   
     
Brakes     
 Type Front   Dual disc
  Rear   Single disc
 Effective disc diameter Front   250 mm
  Rear   250 mm