Kawasaki ER-5 Twister - 2001 Specifications and Reviews

The 2001 Kawasaki ER-5 Twister is an accessible naked bike ideal for beginner and intermediate riders seeking affordable everyday commuting. Its 499cc parallel-twin engine delivers reliable 50 horsepower with manageable handling characteristics. Known for practical ergonomics, low seat height, and exceptional fuel efficiency, it excels as a user-friendly entry-level machine.

2001
3.5 stars Average rating: 3.5 from 2 votes
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General information

CategoryNaked bike
Year2001
ModelKawasaki ER-5 Twister

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Valves per cylinder4
Fuel systemCarburettor
Bore x stroke74.0 x 58.0 mm (2.9 x 2.3 inches)
Torque45.00
Power50.00
Stroke4
Engine typeTwin
Capacity:499.00 ccm (30.45 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,430 mm (56.3 inches)
Seat height815 mm (32.1 inches) If adjustable, lowest setting.
Dry weight180.0 kg (396.8 pounds)
 
 

Kawasaki ER-5 Twister dimensions and frame

Rear brakes diameter160 mm (6.3 inches)
Rear brakesExpanding brake
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-H17
Front tyre dimensions110/70-H17
Rear suspension travel114 mm (4.5 inches)
Front suspension travel125 mm (4.9 inches)

Speed and acceleration

Power/weight ratio0.2778 HP/kg
Top speed180.0 km/h (111.8 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity17.00 litres (4.49 gallons)

Performance Profile & Rider Fit

50 hp
Peak Power
5.8s
0-60 mph
111.8 mph
Top Speed

Best For

Track20%
City75%
Cornering55%
Daily Riding78%
Touring45%
Passenger45%

Rider Profile

Best ForA friendly, low-intimidation machine well suited to new riders and those stepping up from smaller bikes.
PurposeBuilt as an easygoing all-rounder for commuting and everyday road use rather than outright performance.
Rider FitThe low seat height and modest 180 kg dry weight make it manageable for shorter or less experienced riders.
CharacterA modest parallel-twin naked bike that favors approachable, unintimidating manners over speed or aggression.
Not Ideal ForNot the right choice for riders chasing high-speed thrills, aggressive cornering, or serious off-road adventure.

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

Rider Fit Visualizer

2001 Kawasaki ER-5 Twister Rider Ergonomics Assessment

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

Feet:

At 815mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2001 Kawasaki ER-5 Twister, with a relaxed knee angle of around 125 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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