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Naked Motorcycles

2003Kawasaki ER-5

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The 2003 Kawasaki ER-5 is an accessible naked bike perfectly suited for beginner and commuter riders. Its lightweight 179kg frame, manageable 50hp twin-cylinder engine, and low 800mm seat height make it an ideal entry-level motorcycle. Known for its reliability, fuel efficiency, and affordability, the ER-5 delivers practical performance for everyday riding.

Capacity
498.0 ccm
Engine
Parallel Twin
Gearbox
6-speed
Dry weight
179.0 kg
Seat height
800 mm
Power
50.0 HP (36.8 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2003 Kawasaki ER-5

vs the 2002
Spec20022003
Seat height 790 mm (31.1 inches) 800 mm (31.5 inches)
Rear brakes Expanding brake not listed
Other years 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 32Agility 57Comfort 65Off-road 15Touring 45Road manners 60
Off-road & trail15%
Cornering50%
City riding70%
Daily riding70%
Touring45%
Two-up40%
Track15%
Best for
It's best suited as an easygoing commuter and learner-friendly all-rounder rather than a performance or adventure machine.
Built for
It has the character of a simple, reliable, no-fuss naked bike that prioritizes practicality and ease of use over excitement.
Not ideal for
It's not for riders seeking strong acceleration, high-speed touring comfort, or any serious off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 800mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2003 Kawasaki ER-5, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
498.0 ccm
Power
50.0 HP (36.8 kW)
Torque
45.2 Nm (4.6 kgf-m)
Engine type
Parallel Twin
Power/weight ratio
0.2793 HP/kg (dry)
Bore x stroke
74.0 x 58.0 mm
Compression
9.8:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Performance
Top speed
178.0 km/h (110.6 mph)
Dimensions & weight
Wheelbase
1435 mm
Seat height
800 mm
Dry weight
179.0 kg
Wet weight
193.0 kg
Fuel capacity
16.00 litres
Chassis & suspension
Front suspension
Telescopic fork
Rear suspension
Dual shocks with preload adjustment
Front wheel travel
140 mm
Rear wheel travel
80 mm
Rake (fork angle)
24.0°
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
280 mm
Rear brakes diameter
160 mm
Front tyre
110/70-H-17
Rear tyre
130/70-H-17
Other
Color options
Black, Gold, Blue

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 199719992002200320042006
Capacity 499 cc 499 cc 499 cc 498 cc 498 cc 498 cc
Dry weight 174 kg 177 kg 179 kg 179 kg 179 kg 193 kg
Seat height 780 mm 780 mm 790 mm 800 mm 810 mm 800 mm
Fuel capacity 16 L 16 L 16 L 16 L 17 L 17 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Kawasaki ER-5?

The 2003 Kawasaki ER-5 has a Capacity of 498.0 ccm (30.39 cubic inches).

What engine power does the Kawasaki ER-5 have?

The 2003 Kawasaki ER-5 has a Power of 50.0 HP (36.8 kW).

How many gears does the Kawasaki ER-5 have?

The 2003 Kawasaki ER-5 has a Gearbox of 6-speed.

What is the torque of the Kawasaki ER-5?

The 2003 Kawasaki ER-5 has a Torque of 45.2 Nm (4.6 kgf-m or 33.3 ft.lbs).

How much does the Kawasaki ER-5 weigh?

The 2003 Kawasaki ER-5 has a Dry weight of 179.0 kg (394.6 pounds).

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