Kawasaki’s Ninja line is renowned for its perfect blend of sporty performance and everyday versatility. The 2023 Ninja 650 upholds that tradition, offering an exhilarating riding experience with comfort for everyday commutes. Here’s a detailed review of the 2023 Ninja 650 specifically for the UK riders.

Basic Specifications

  • Engine: 649cc, liquid-cooled, 4-stroke, parallel twin
  • Power: Approximately 67 HP @ 8,000 RPM
  • Torque: Approximately 48.5 lb-ft @ 6,700 RPM
  • Transmission: 6-speed, return shift
  • Frame: Trellis, high-tensile steel
  • Tyres: Front 120/70ZR17M/C (58W), Rear 160/60ZR17M/C (69W)
  • Seat Height: 790 mm
  • Curb Weight: 193 kg
  • Fuel Capacity: 15 litres

Performance and Ride Quality

The 2023 Ninja 650 shines in its performance. The 649cc parallel-twin engine provides smooth power delivery, with enough grunt in both low and high rev ranges. It easily delivers swift overtakes and rapid bursts of speed when needed, making it equally enjoyable on open roads and city streets.

The transmission is slick and precise, with the assist and slipper clutch providing a light lever pull and smooth downshifts. The bike’s refined suspension – a 41mm telescopic fork at the front and horizontal back-link rear suspension – ensures a comfortable ride. It’s firm enough to inspire confidence in corners yet supple enough to handle poor road surfaces typically found in some parts of the UK.

The 790mm seat height is accessible for a wide range of riders, making the Ninja 650 an excellent choice for both new riders stepping up from smaller bikes and more experienced riders looking for a fun, mid-sized bike.

Styling and Features

The 2023 Ninja 650 maintains the aggressive, sporty styling the Ninja range is known for. The sharp, angular lines and the sporty front cowl give it a dynamic stance. The bike is available in several colours, including Lime Green, Pearl Robotic White and Metallic Graphite Grey.

In terms of features, the Ninja 650 comes with a TFT colour instrumentation panel that offers clear visibility and vital information at a glance. It’s compatible with Kawasaki’s Rideology app, providing you with a host of information, including riding logs, phone notifications, and bike status updates.

The bike also features LED lighting all-round, enhancing visibility and contributing to the modern aesthetic.

Fuel Efficiency and Emissions

The 2023 Ninja 650 is reasonably fuel-efficient for a bike of its class. With a 15-litre tank, it can deliver an estimated 200+ miles on a full tank, depending on riding conditions and style. In terms of emissions, the bike complies with the Euro 5 standards, making it suitable for urban areas with strict emission regulations.


The 2023 Ninja 650 proves to be an excellent choice for those who desire a sporty ride without sacrificing comfort and versatility. It delivers in terms of performance, features, and styling, making it a compelling package for any rider in the UK.

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