| MODEL | KAWASAKI ER-4N 2011 - 2012 |
| Year | 2011 - 2012 |
| Engine Type | Four-stroke, liquid-cooled, parallel twin, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 399 cc / 24.3 cu in |
| Bore X Stroke | 68.4 x 54.3 mm |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid cooled |
| Max Power | 42 hp / 32 kW @ 9,500 rpm |
| Max Torque | 37 Nm / 27 lb-ft @ 7,500 rpm |
| Ignition | TCBI with digital advance |
| Induction | Fuel injection, 2 x 34 mm Keihin throttle bodies |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6-speed (1st 3.000, 2nd 2.167, 3rd 1.640, 4th 1.360, 5th 1.192, 6th 1.040) |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | High-tensile steel, perimeter design |
| Front Suspension | 41 mm telescopic fork, 120 mm / 4.7 in travel |
| Rear Suspension | Offset laydown single shock, adjustable preload, 120 mm / 4.7 in travel |
| Front Brakes | 2 x 300 mm discs, 2-piston calipers |
| Rear Brakes | Single 220 mm disc |
| DIMENSION SPECS | |
| Overall Length | 1100 mm / 43.3 in |
| Overall Width | 760 mm / 29.9 in |
| Overall Height | — |
| Seat Height | 785 mm / 30.9 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | 145 mm / 5.7 in |
| Dry Weight | — |
| Wet Weight | 203 kg / 447.5 lb |
| WHEEL SPECS | |
| Front Tyre | 120/70ZR17 |
| Rear Tyre | 160/60ZR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 litres / 3.9 US gal |
| Fuel Consumption | — |
| Top Speed | — |
A 400 cc naked sport bike for riders with an ordinary motorcycle licence, built on a compact, rigid high-tensile steel perimeter frame. It uses a fuel-injected version of the 399 cc parallel twin with a 6-speed gearbox and twin front discs. It was pitched as a light, accessible sports-naked for everyday riding.
