Ninja ZX-6R
MSRP in US [2025]: 11,390$
MSRP in EU [2025]: 12,595€
Kawasaki
| Engine type | Liquid-cooled, 4-stroke, in-line four |
| Compression ratio | 12.9:1 |
| Valve system | DOHC, 16 valves |
| Bore x stroke | 67.0 mm x 45.1 mm / 2.64 in x 1.78 in |
| Displacement | 636 cm³ / 38.82 in³ |
| Fuel system | Fuel injection with oval sub-throttles: 38 mm x 4 |
| Lubrication | Forced lubrication, wet sump with oil cooler |
| Starting system | Electric |
| Ignition system | Digital |
| Maximum power | 91.0 kW {124 PS} / 13,000 rpm |
| Maximum power with RAM Air | 95.2 kW {129 PS} / 13,000 rpm |
| Maximum torque | 69.0 N•m / 50.9 lb-ft {7.0 kgf•m} / 10,800 rpm |
| CO2 emission | 145 g/km |
| Fuel consumption | 6.1 l/100km / 38.56 mpg |
| CO2 emission 85 kW kit | 147 g/km |
| Fuel consumption 85 kW kit | 6.2 l/100km / 37.94 mpg |
| Transmission | 6-speed, return shift |
| Primary reduction ratio | 1.900 (76/40) |
| Gear ratios | 1st: 2.846 (37/13), 2nd: 2.200 (33/15), 3rd: 1.850 (37/20), 4th: 1.600 (32/20), 5th: 1.421 (27/19), 6th: 1.300 (26/20) |
| Final drive | Sealed chain |
| Final reduction ratio | 2.867 (43/15) |
| Frame type | Perimeter, aluminium |
| Trail | 101 mm / 3.98 in |
| Wheel travel front | 120 mm / 4.72 in |
| Wheel travel rear | 151 mm / 5.94 in |
| Tyre front | 120/70 ZR17 M/C (58W) |
| Tyre rear | 180/55 ZR17 M/C (73W) |
| Dimensions | L: 2,025 mm / 79.72 in, W: 710 mm / 27.95 in, H: 1,105 mm / 43.50 in |
| Steering angle L R | 27° / 27° |
| Wheel base | 1,400 mm / 55.12 in |
| Ground clearance | 130 mm / 5.12 in |
| Fuel capacity | 17.0 litres / 4.49 gal |
| Seat height | 830 mm / 32.68 in |
| Curb mass | 198 kg / 436.5 lb |
| Front brake type | Dual semi-floating discs |
| Front brake diameter | Ø 310 mm / 12.20 in |
| Front brake caliper type | Radial-mount, monobloc, opposed 4-piston |
| Rear brake type | Single disc |
| Rear brake diameter | Ø 220 mm / 8.66 in |
| Rear brake caliper type | Single-bore pin-slide |
| Front suspension type | Inverted Separate Function fork (SFF-BP) with compression and rebound damping, spring preload adjustability, and top-out springs |
| Front suspension diameter | Ø 41 mm / 1.61 in |
| Rear suspension type | Bottom-link Uni-Trak, gas-charged shock with piggyback reservoir, compression and rebound damping, and spring preload adjustability |
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