# Kawasaki Z1000

**Section:** Specifications

| - | 2003–2006 | 2007–2009 | 2010–2013 | 2014–2016 |
|---|---|---|---|---|
| Engine type | Four-stroke, liquid-cooled, DOHC, four-cylinder, 16-valve | Four-stroke, liquid-cooled, DOHC, four-cylinder, 16-valve | Four-stroke, liquid-cooled, DOHC, four-cylinder, 16-valve | Four-stroke, liquid-cooled, DOHC, four-cylinder, 16-valve |
| Displacement | 953 cc (58.2 cu in) | 953 cc (58.2 cu in) | 1,043 cc (63.6 cu in) | 1,043 cc (63.6 cu in) |
| Bore & stroke | 77.2 mm × 50.9 mm (3.04 in × 2.00 in) | 77.2 mm × 50.9 mm (3.04 in × 2.00 in) | 77.0 mm × 56.0 mm (3.03 in × 2.20 in) | 77.0 mm × 56.0 mm (3.03 in × 2.20 in) |
| Top speed | - | 155 mph (249 km/h) | 149.3 mph (240.3 km/h) | - |
| Maximum torque | 95.6 N⋅m (70.5 lbf⋅ft) @ 8,000 rpm(claimed) | 98.7 N⋅m (72.8 lbf⋅ft) @ 8,200 rpm(claimed) 66.6 lb⋅ft (90.3 N⋅m) (rear wheel) | 110 N⋅m (81 lbf⋅ft) @ 7,800 rpm(claimed) | 111.0 N⋅m (81.9 lbf⋅ft) @ 7,300 rpm(claimed)) 74.9 lb⋅ft (101.6 N⋅m) (rear wheel) |
| Maximum power | 93.4 kW (125.3 hp) @ 10,000 rpm(claimed) | 92 kW (123 hp) @ 10,000 rpm(claimed) 108.8 hp (81.1 kW) (rear wheel) | 101.5 kW (136.1 hp) @ 9,600 rpm(claimed) | 104.5 kW (140.1 hp) @ 10,000 rpm(claimed) 125.8 hp (93.8 kW) (rear wheel) |
| Compression ratio | 11.2:1 | 11.2:1 | 11.8:1 | 11.8:1 |
| Fuel injection | 38 mm diameter x 4 | 38 mm diameter x 4 | - | - |
| Ignition | Battery and coil | Battery and coil | Battery and coil | Battery and coil |
| Transmission | 6-speed, constant mesh, return shift | 6-speed, constant mesh, return shift | 6-speed, constant mesh, return shift | 6-speed, constant mesh, return shift |
| Clutch | Wet, multi disc | Wet, multi disc | Wet, multi disc | Wet, multi disc |
| Final drive | Chain | Chain | Chain | Chain |
| Frame type | Diamond, high-tensile steel | Backbone, high-tensile steel tubes and cast aluminum engine sub-frame | Twin-tube, aluminium | Twin-tube, aluminium |
| Rake / trail | 24° / 101 mm (4.0 in) | 24.5° / 103 mm (4.1 in) | 24.5° / 103 mm (4.1 in) | 24.5° / 103 mm (4.1 in) |
| Front suspension / wheel travel | 41 mm inverted cartridge fork with stepless rebound damping and adjustable spring preload / 4.7 in. | 41 mm inverted cartridge fork with stepless rebound damping and adjustable spring preload / 4.7 in. | 41 mm inverted cartridge fork with stepless rebound damping and adjustable spring preload / 4.7 in. | Showa fully adjustable separate-function SFF-BP fork |
| Rear suspension / wheel travel | Bottom-Link Uni-Trak with gas-charged shock, stepless rebound damping and adjustable spring preload / 5.9 in. | Bottom-Link Uni-Trak with gas-charged shock, stepless rebound damping and adjustable spring preload / 5.9 in. | Bottom-Link Uni-Trak with gas-charged shock, stepless rebound damping and adjustable spring preload / 5.9 in. | Bottom-Link Uni-Trak with gas-charged shock, stepless rebound damping and adjustable spring preload / 5.9 in. |
| Front tire size | 120/70 ZR17 | 120/70 ZR17 | 120/70 ZR17 | 120/70 ZR17 |
| Rear tire size | 190/50 ZR17 | 190/50 ZR17 | 190/50 ZR17 | 190/50 ZR17 |
| Wheelbase | 1,420 mm (56 in) | 1,445 mm (56.9 in) | 1,440 mm (57 in) | 1,435 mm (56.5 in) |
| Front brake type | Dual disc | Dual disc petal rotors | Dual disc petal rotors | four-piston Monoblock front brake calipers |
| Rear brake type | Single disc | Single disc petal rotor | Single disc petal rotor | Single disc petal rotor |
| Fuel tank capacity | 19 L (4.2 imp gal; 5.0 US gal) | 18.5 L (4.1 imp gal; 4.9 US gal) | 15 L (3.3 imp gal; 4.0 US gal) | 17 L (3.7 imp gal; 4.5 US gal) |
| Curb weight | 221 kg (487 lb) | 228 kg (503 lb) | 218 kg (481 lb) | 220 kg (490 lb) |
| Seat height | 820 mm (32 in) | 820 mm (32 in) | 820 mm (32 in) | 815.34 mm (32.100 in) |
| Overall length | 2,080 mm (82 in) | 2,090 mm (82 in) | 2,095 mm (82.5 in) | 2,044.7 mm (80.50 in) |
| Overall width | 770 mm (30 in) | 780 mm (31 in) | 805 mm (31.7 in) | 789.94 mm (31.100 in) |
| Overall height | 1,055 mm (41.5 in) | 1,065 mm (41.9 in) | 1,085 mm (42.7 in) | 1,054.1 mm (41.50 in) |
| Road clearance | 145 mm (5.7 in) | 160 mm (6.3 in) | 140 mm (5.5 in) | 140 mm (5.5 in) |

Question: What was the compression ratio when the fuel injection was 38mm?