Faults:

Corrosion is a problem on the ER 5, and it should be cleaned and protectant applied frequently to prevent corrosion, especially if used in winter.

The rear drum brake can wear unevenly and sometimes requires wheel replacement if the drum becomes warped.

Sometimes cold starting is a problem, when the temperature is low, it presents symptoms such as a slow-turning engine and clicking noises.

Fuel can clog the injectors and moving parts of the carburetor, especially if the gas tank is left unused for long periods of time.

General Comments:

The Kawasaki ER-5 is a simple, easy-to-use, parallel-twin, middleweight urban motorcycle. As an economical work bike, you won't find any fault with the Kawasaki ER-5, as long as your expectations don't go beyond simply getting from A to B.

For me, the ER-5 is better than most of its rivals, but that doesn't mean it's without its flaws. The bike's brakes are particularly poor, and the passenger only makes things worse. Then there's the corrosion I mentioned earlier. To prevent it, you'll need to wash the bike regularly and spray it with a water-dispersing spray constantly, especially if used during winter. Electrical problems are another problem with the ER-5.

It's as basic as possible, although it's common to add a few spare guards. The only worthwhile accessory for this bike is a Scottoiler, which helps extend chain life and reduce maintenance.

The engine is generally quite good and reliable. It's a twin-cylinder that doesn't lack verve and makes the most of its power in the city.

However, if you increase the ambition, even slightly, the Kawasaki ER-5's engine feels very harsh. Highways aren't its strong suit, and the ER-5 struggles to ride in pairs without a fairing.