Kawasaki ER-4 (Ninja 400)

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Kawasaki Ninja 400R

The naked model Kawasaki ER-4N was first introduced in August 2010 along with the Kawasaki Ninja 400R version. In fact, both models were 400cc domestic Japanese versions of Kawasaki ER-6N and ER-6F. The main differences from older models were in the engine, intake and exhaust systems. In all other respects, they were almost identical.

Lineup :

Main competitors :

The Kawasaki ER-4N and Kawasaki Ninja 400R models are manufactured in Thailand for the domestic Japanese market, but some models were also sold in Canada and New Zealand.

Modifications :

  • Kawasaki ER-4N - naked version.
  • Kawasaki Ninja 400R - version with a full plastic body kit in a sporty style.

The models were based on a 2-cylinder in-line liquid-cooled engine with a volume of 399 cc. see, issuing 44 hp. power and 37 Nm of torque. The main characteristics of the motor are achieved at 7500-9500 rpm.

By 2014, the Kawasaki ER-4N model was discontinued, leaving on the market only the "sports" version of the Kawasaki Ninja 400R, which by that time had undergone restyling (the base from the 2nd generation Kawasaki ER- 6F) and removed the "R" from the name - Kawasaki Ninja 400.

Among the features of the Kawasaki ER-4 are a steel frame, an injection engine, a simple telescopic fork and a monoshock (adjustable in preload), a 6-speed gearbox, powerful 2-disc (300 mm) front brakes with ABS as an option, a fuel tank for 15 l and 199 kg of curb weight.



Specifications Kawasaki ER-4N (Ninja 400R):

Model Kawasaki ER-4N

Kawasaki Ninja 400R

Kawasaki Ninja 400

Motorcycle type naked

sports tourist

Release year 2010+
Frame steel
Engine type 2-cylinder, 4-stroke, in-line
Working volume 399 cc cm.
Bore / Stroke 68.4mm x 54.3mm
Compression ratio 11.0: 1
Cooling Liquid
Number of valves per cylinder DOHC, 4 valves per cylinder
Fuel supply system injector, 2x Keihin 34 mm
Ignition type digital
Maximum power 44 hp at 9500 rpm
Maximum torque 37 Nm at 7,500 rpm
Gearbox 6-speed
Drive type chain
Front tire size 120 / 70ZR17
Rear tire size 160 / 60ZR17
Front brakes 2 x 300mm discs, 2-piston calipers (ABS opt.)
Rear brakes 1 disc, 220 mm, 1-piston caliper (ABS opt.)
Front suspension 41mm telescopic fork, 120mm travel (125mm from 2014)
Rear suspension monoshock (preload adjustment), stroke - 125 mm (130 mm - since 2014)
Dimensions (Length x Width x Height) 2100mm × 760mm × 1100mm - Kawasaki ER-4N

2100mm × 760mm × 1200mm - Kawasaki Ninja 400R

2110mm x 770mm x 1180mm - Kawasaki Ninja 400

Saddle height 785mm - Kawasaki Er-4N

790mm - Kawasaki Ninja 400R

805mm - Kawasaki Ninja 400

Fuel tank capacity 15 l
Maximum speed 170 km / h
Acceleration to 100 km / h (0-100) 5.5 sec
Motorcycle weight (curb) 199 kg, 203 kg (ABS) - Kawasaki ER-4N

203kg, 207kg (ABS) - Kawasaki Ninja 400R

209 kg, 211 kg (ABS) - Kawasaki Ninja 400