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I picked up a 1978 Kawasaki KZ 650 for my EV project. It's in rough shape to start. I'm going to restore and license it before converting it.
Diagrams

Vital Statistics:
Dimensions    

 Overall length

   2,150 mm

 Overall width

   835 mm

 Overall height

   1,185 mm
 Wheelbase    1,430 mm
 Road clearance    145 mm
 Dry weight    217 kg
 Fuel tank capacity    14 l
     
Performance     
 Climbing ability    30°
 Braking distance    12 m from 50 kph
 Minimum turning radius    2.4 m
     
Engine     
 Type    4 stroke, DOHC, 4 cylinder, air cooled 
 Bore and stroke    62.0 x 54.0 mm
 Displacement    652 cc
 Compression ratio    9.5
 Maximum horsepower    60 hp @ 8,000 rpm
 Maximum torque    5.8 kg-m @ 7,000 rpm
 Valve timing    

 Inlet

 

Open

Closed

Duration 

 22° BTDC 

 52° ABDC

 254°

 Exhaust

 

Open

Closed

Duration 

 60° BBDC 

 20° ATDC

 260°

 Carburetors    (4) Mikuni VM24 SS
 Lubrication system    Wet sump
 Engine oil Type   SAE 10W40, 10W50, 20W40, 20W50
  Capacity  3.5 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 35° BTDC @ 3,000 rpm
 Spark plugs    NGK B7ES, ND W22ES-U, or CHAMPION N-4
     
Transmission     
 Type    5 speed, constant mesh, return shift
 Clutch    Multi-disc, wet
 Gear ratio 1st   2.33
  2nd  1.63
  3rd  1.27
  4th   1.04
  5th   0.89
  6th   -
 Primary reduction ratio    2.55
 Final reduction ratio    2.56
 Overall drive ratio    5.81 @ top gear
   
Electrical equipment     
 Alternator    Nippon Denso 037000-1340
 Regulator/rectifier    Shindengen SH221-12
 Ignition coils    Toyo Denso IGC088K-0000, IGC089K-0000
 Battery    Yuasa YB10L, 12V 10AH
 Starter motor    Mitsuba SM-224D
 Headlight Type   Sealed
  Bulb   12V 50/35W
 Tail/brake light    12V 8/27W
 City light  

 

 Turn signal lights    12V 23W
 Meter lights    12V 3.4W
 Indicator lights    12V 3.4W
 Horn    12V 2.5A
     
Frame     
 Type    Tubular, double cradle
 Steering angle    39.5° to either side
 Castor    62.5°
 Trail    113 mm
 Tire size Front   3.50 - 19
  Rear   MT90-16T
 Suspension Front   Telescopic fork
  Rear   Swing arm
 Suspension stroke Front   140 mm
  Rear   80 mm
 Front fork oil Type   SAE 15W
  Capacity   183 ~ 191 cc (dry, each fork), ~ 165 cc When changing oil
  Oil level   393 mm (from top of inner (upper) tube, spring in place)
     
Brakes     
 Type Front   Dual disc
  Rear   Single disc
 Effective disc diameter Front   231 mm
  Rear   237 mm


Last Modified 10/6/12 12:56