A New 4 In-Line 250cc Kawasaki Ninja Rumored - autoevolution
Big, loud and green: '80s-style bikes ready for Asia comeback - Nikkei Asia
4-Cylinder Kawasaki Ninja 250 (ZX-25R) To Produce Around 60 HP
Kawasaki Ninja ZX-25R With Four-Cylinder 250cc Engine Under Development: Images & Details - DriveSpark News
2019 Kawasaki Ninja 250 Rumors from Otto Bike-2019 New Kawasaki Ninja 250 Super 4 Cylinder In 250Cc for 2019 Kawasa… | Kawasaki ninja, Kawasaki ninja 250r, Kawasaki
Kawasaki Ninja ZX-25R | The Return of 4-Cylinder 250. - YouTube
The Kawasaki ZX-25R is real: 250 cc, four-cylinder glory - RevZilla