| Identification | ||
| Letter designation | E1 | |
| Color | Candy persimmon red or black pearl | |
| Frame # | KZ650E-000001 | |
| Engine # | KZ650DE026001 | |
| Dimensions | ||
|
Overall length |
2,150 mm | |
|
Overall width |
830 mm | |
|
Overall height |
1,185 mm | |
| Wheelbase | 1,430 mm | |
| Road clearance | 145 mm | |
| Dry weight | 211 kg | |
| Fuel tank capacity | 14 l | |
| Performance | ||
| Climbing ability | 30° | |
| Braking distance | 12.0 m from 50 kph | |
| Minimum turning radius | 2.4 m | |
| Engine | ||
| Type | 4 stroke, DOHC, 4 cylinder, air cooled | |
| Bore and stroke | 62.0 mm 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 | ||
|
Open Closed Duration |
22° 52° 254° |
|
Open Closed Duration |
60° 20° 260° |
| Carburetors | (4) Mikuni VM24SS | |
| Lubrication system | Wet sump | |
| Engine oil | Type | SAE 10W40, 10W50, 20W40, 20W50 |
| Capacity | 3.5 l | |
| Starting system | Electric and kick starter | |
| Ignition system | Battery and coil | |
| 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 @ 3,200 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 | |
| Electrical equipment | ||
| Alternator | Nippon Denso 037000-1340 | |
| Regulator/rectifier | Shindengen SH222-12B | |
| Ignition coils | Toyo Denso ZC002-12V | |
| 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 | 27.5° | |
| Trail | 113 mm | |
| Tire size | Front | 3.50 - 19 |
| Rear | MT90 - 16 | |
| Suspension | Front | Telescopic fork |
| Rear | Swing arm | |
| Suspension stroke | Front | 100 mm |
| Rear | 90 mm | |
| Front fork oil | Type | SAE 15W |
| Capacity | 183-191 cc (each leg) | |
| Oil level | ||
| Brakes | ||
| Type | Front | Single disc |
| Rear | Internal expansion, leading-trailing | |
| Effective disc diameter | Front | 250 mm |
| Rear |
