https://imotorium.com/2016/06/10/heboh-ninja-250-4-silinder-flashback-kembali-spesifikasi-lengkap-kawasaki-zx-r-250-yang-diproduksi-akhir-1980-an/ninja-250-4-silinder-zxr-250-1989-brosur-1/
Ninja 250 4 Silinder - ZXR 250 1989 brosur 1