Sale 2020 Kawasaki Ninja 400cc is a popular sportbike known for its impressive performance, sleek design, and lightweight build. Based on the details you provided:

• Model: 2020 Kawasaki Ninja 400cc
• Mileage: 23,000 km
• Price: 17,000 AED (Arab Emirates Dirhams)

Here are some factors you may want to consider:

Pros:

1. Performance: The Ninja 400 is known for its strong engine performance and smooth handling, making it a great choice for both beginners and experienced riders.
2. Condition: With 23,000 km, the bike is still relatively young for a motorcycle, and unless there's been significant wear or damage, it could have many more years of use ahead.
3. Price: 17,000 AED seems like a reasonable price for a 2020 model Ninja 400, but the condition of the bike and any included accessories or modifications should be taken into account.

Things to Consider:

1. Inspection: It's recommended to get the bike inspected to check for wear on key components like the chain, tires, brakes, suspension, and engine. Ensure there are no hidden issues like accidents or mechanical problems.
2. Market Comparison: It would be good to compare this price with other listings for the same model, especially in the UAE market, to ensure it's a competitive deal.
3. Documentation: Ensure the paperwork is in order, including the registration and service history, to avoid any legal or ownership issues.

Overall, this seems like a decent option, but a closer inspection and comparison with other listings in the area will help you make an informed decision.