Kawasaki ER-4n: history, specs, pictures

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Kawasaki ER-4n
Also called ER-4n ABS
Production 2011 - 2014
twin, four-stroke
Bore / Stroke 68.4mm x 54.3mm
Horsepower 41.97 HP (31.3 KW) @ 9400RPM
Torque 27.29 ft/lbs (37.0 Nm) @ 7500RPM
Fuel System injection. keihin
Ignition digital cdi
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet, cable operated
Suspension Front: 41mm hydraulic cartridge fork
Rear: single shock, swingarm
Brakes Front: double disc. abs
Rear: single disc. abs
Front Tire 120/70-r17
Rear Tire 160/60-r17
Wheelbase 55.51 inches (1410 mm)
Length 82.68 inches (2100 mm)
Width 29.88 inches (759 mm)
Height 43.31 inches (1100 mm)
Seat Height 31.1 inches (790 mm)
Weight 203.0 kg (wet)
Recommended Oil K-tech 10W-40
Fuel Capacity 4.09 Gallon (15.50 Liters)
Manuals Service Manual

The Kawasaki ER-4n ABS was a twin, four-stroke standard produced by Kawasaki between 2011 and 2014. Max torque was 27.29 ft/lbs (37.0 Nm) @ 7500 RPM. Claimed horsepower was 41.97 HP (31.3 KW) @ 9400 RPM.


The engine was a liquid cooled twin, four-stroke. A 68.4mm bore x 54.3mm stroke result in a displacement of just 399.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).


The bike has a 6-speed transmission. Power was moderated via the wet, cable operated.


It came with a 120/70-r17 front tire and a 160/60-r17 rear tire. Stopping was achieved via double disc. abs in the front and a single disc. abs in the rear. The front suspension was a 41mm hydraulic cartridge fork while the rear was equipped with a single shock, swingarm. The ER-4n ABS was fitted with a 4.09 Gallon (15.50 Liters) fuel tank. The wheelbase was 55.51 inches (1410 mm) long.