The 2025 Kawasaki Ninja 650 is a middleweight sport motorcycle with a 649 cc parallel-twin engine. It is the successor to the Ninja 650, which was first introduced in 2006. The 2025 Ninja 650 features a number of updates over the previous model, including a new engine, a new chassis, and a new bodywork.
The new engine is more powerful than the previous engine, and it produces 68 horsepower at 8,000 rpm and 47 lb-ft of torque at 6,500 rpm. The new chassis is lighter and more rigid than the previous chassis, and it provides better handling and stability. The new bodywork is more aerodynamic than the previous bodywork, and it gives the Ninja 650 a more aggressive look.