Kawasaki ER-4N - 2011 Specifications and Reviews

The 2011 Kawasaki ER-4n is a lightweight naked bike designed for beginner and intermediate riders seeking an affordable, reliable commuter or entry-level sportbike. Its nimble 399cc twin-cylinder engine delivers manageable power with excellent fuel efficiency, while the forgiving handling and low seat height make it ideal for riders building confidence and skills.

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General information

CategoryNaked bike
Year2011
ModelKawasaki ER-4n
 
 

Engine and Transmission Specifications

DrivelineO-Ring Chain
ClutchWet, cable operated
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemWet sump
IgnitionDigital CDI
Fuel controlDOHC
Fuel systemInjection
Valves per cylinder4
Engine typeTwin, four-stroke
Capacity:399.00 ccm (24.35 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesDouble disc
Rear tyre dimensions160/60-R17
Front tyre dimensions120/70-R17
Rear suspension travel125 mm (4.9 inches)
Rear suspensionSingle shock, swingarm
Front suspension travel120 mm (4.7 inches)
Front suspension41mm hydraulic catrridege fork
Trail120 mm (4.7 inches)
Rake (fork angle)25.0°
Frame typeSemi-double cradle, high-tensile steel

Physical measures and capacities

Fuel capacity15.50 litres (4.10 gallons)
Wheelbase1,410 mm (55.5 inches)
Ground clearance145 mm (5.7 inches)
Overall width759 mm (29.9 inches)
Overall length2,100 mm (82.7 inches)
Overall height1,100 mm (43.3 inches)
Seat height785 mm (30.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc199.0 kg (438.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed
StarterElectric

Performance Profile & Rider Fit

42.9 hp
Peak Power
6s
0-60 mph

Best For

Track30%
City80%
Cornering65%
Daily Riding80%
Touring45%
Passenger45%

Rider Profile

Best ForThis is a friendly, forgiving middleweight naked bike well suited to new and lower-experience riders, including those just off a learner license.
PurposeIt's designed primarily as an approachable everyday commuter and learner-friendly naked bike rather than a performance or adventure machine.
Rider FitA low seat height and modest 199 kg weight make it manageable for shorter or less physically strong riders to handle at a stop and in slow maneuvers.
CharacterThe parallel-twin engine and steel diamond frame give it a mellow, predictable, and easygoing character rather than an aggressive or thrilling one.
Not Ideal ForIt's not the right choice for riders seeking high-speed thrills, serious touring range, or any off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2011 Kawasaki ER-4N Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 785mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2011 Kawasaki ER-4N, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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