Modern lightweight sport bikes aren't simply beginner machines anymore. The Kawasaki Ninja 500 Is A Great Lightweight Sport Bike For LearnersBase Price: $5,399Side profile shot of a Kawasaki Ninja 500 KawasakiFew motorcycles illustrate this philosophy better than the Kawasaki Ninja 500. Tracking shot of a Kawasaki Ninja 500 KawasakiAs for hardware upgrades, the market is again vast. Subscribe to our newsletter for expert lightweight sport bike coverage Get deeper coverage: subscribe to the newsletter for detailed analysis of lightweight sport bikes, aftermarket upgrade paths, and rider-development strategies so you can make informed choices about chassis, suspension, and upgrades. That's what makes the Kawasaki Ninja 500 such a compelling lightweight sport bike.