Kawasaki Z 650 (2021) vs Kawasaki Z1 (1973) vs Kawasaki KLR 650 (2008-09)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki |
| Model: | Z 650 | Z1 | KLR 650 |
| Years: | 2021 | 1973 | 2008-09 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. | Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 649 cc / 39.65 cu-in | 903 cc / 55.1 cu-in | 651 cc / 39.7 cu-in |
| Bore x Stroke: | 83 x 60 mm | 66 x 66 mm | 100 x 83 mm. |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 10.8:1 | 8.5:1 | 9.8:1 |
| Lubrication: | Wet sump | Wet sump, trachoid pump | Forced lubrication (wet sump) |
| Induction: | DFI® with Keihin 36mm Keihin throttle bodies | 4 x 28mm Mikuni VM28SC | Keihin CVK40 |
| Ignition: | TCBI with electronic advance | Battery and coil | Transistorized |
| Starting: | Electric | Electric & kick | Electric |
| Max Power: | 50.2 kW / 67.3 hp | 82 hp / 59.8 kW @ 8500 rpm | 42.1 hp / 31 kW @ 7000 rpm |
| Max Torque: | 65.7 Nm / 48.5 lb-ft @ 6500 rpm | 73.5 Nm / 54.3 lb-ft @ 7000 rpm | 47 Nm / 4.7 kgf-m @ 5000 rpm |
| Clutch: | Wet multi-disc, manual | Wet, multi-plate | Wet multi-disc, cable operation |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Sealed chain | Chain | Sealed Chain |
| Gear Ratio: | 1st 2.438 (39/16) 2nd 1.714 (36/21) 3rd 1.333 (32/24) 4th 1.111 (30/27) 5th 0.966 (28/29) 6th 0.852 (23/27) | 1st 12.79:1 2nd 8.84:1 3rd 6.74:1 4th 5.58:1 5th 4.92:1 | 1st 2.266 (34/15) 2nd 1.444 (26/18) 3rd 1.136 (25/22) 4th 0.954 (21/22) 5th 0.791 (19/24) |
| Frame: | Trellis, high-tensile steel | Double tubular steel cradle | Semi-double Cradle Made of high-tech, round-section, high-tensile steel |
| Front Suspension: | 41 mm hydraulic telescopic fork | 36mm Telescopic forks | 41mm Air-adjustable forks, |
| Rear Suspension: | Horizontal Back-link with adjustable preload swingarm | Dual shock, 5-way preload adjustment | UNI-TRAK® linkage, 5-way preload shock absorber with 4way rebound damping. |
| Front Brakes: | 2x 300mm petal-style discs, 2 piston calipers | Single 296mm disc 2 piston caliper | Single 280mm disc 2 piston caliper |
| Rear Brakes: | Single 220mm petal-style disc | 200mm drum | Single 203mm disc 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 3.25 H19 | 90/90 -21 |
| Rear Tyre: | 160/60 ZR7 | 4.00 S18 | 130/80 -17 |
| Rake: | 24° | 27º | 28.0° |
| Trail: | 100 mm / 3.9 in | 3.75 in. | 112 mm / 4.4 in |
| Dimensions: | Length 2065 mm / 81.3 in Width 764.5 mm / 30.1 in Height 1064 mm / 41.9 in | Length 2209.8 mm / 87.0 in. | Length 2295 mm / 90.4 in Width 960 mm / 37.8 in Height 1350 mm / 53.1 in |
| Wheelbase: | 1410 mm / 55.5 in | 1498.6 mm / 59.0 in | 1480 mm / 58.3 in |
| Seat Height: | 790 mm / 31.1 in | 812.8 mm / 32.0 in. | 889 mm / 35 in |
| Ground Clearance: | 130 mm / 5.1 in | 170 mm / 6.75 in. | 210 mm / 8.3 in |
| Wet Weight: | 187 kg / 412.3 lbs | 247.6 kg / 546 lbs | 194 kg / 432 lbs |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 18 Litres / 4.7 gal | 23 Litres / 5.8 US gal. |