The '' Kawasaki GPZ 400R '' sports bike model appeared in 1985 as a domestic Japanese version of the [[Kawasaki_GPZ600 | Kawasaki GPZ 600R (Ninja 600R)]]. Unlike the export prototype, the GPZ400R received an aluminum frame from the outset, called the Al-X Cross Frame. The export version was equipped with this frame only in the modification [[Kawasaki_GPZ600 | Kawasaki Ninja 600RX]], offered only in 1987 for the American market.

{{Ads_top}}

At the time of its release, the Kawasaki GPZ 400 R model was in great demand - in the first year it sold 18,200 motorcycles. This success was due to the then motorcycle "boom" and the rapid fashion for replica sports motorcycles. By the way, the export version [[Kawasaki_GPZ600 | Kawasaki GPZ 600R (Ninja 600R)]] was distinguished by record power characteristics and also gained popularity in foreign markets.