In order to defeat this, a two-stroke, three-cylinder 750cc Mach 4 was released in October 1971. This was announced as having a top speed of 203kph, and took back the world’s fastest bike title.

De 750 Square Four werd een mythisch apparaat nog voor de wereld er goed en wel alles van wist. Gedachtegang achter de 750 Square Four was geënt op alles wat Kawasaki in huis had.

Kawasaki Square Four 750 2026 – Two-Stroke Legend Reborn! 300 Km/h & Hybrid Supercharged Technology! 🔥The legend returns! In the late 1960s, Kawasaki was ob...

2026 Kawasaki Square Four 750 FINALLY Revealed – The Bike No One Expected!Description:The wait is finally over! 🚨 Kawasaki has officially revealed the 2026 ...

During the top speed wars of the late ‘60s and early ‘70s, Kawasaki developed a two-stroke, 750cc, square-four engine to obliterate its competition.

Ontdek de Kawasaki 750 in de categorie Motoren. Verschillende modellen en opties beschikbaar voor liefhebbers van sterke motoren. Bekijk nu het aanbod.

Interesting video! Fast forward to 9:40 for the Kawasaki 750 2 Stroke Square 4 which was water cooled and said to be even faster than the H2! And after that, there’s the Yamaha GL750 in-line 4 cylinder 2 Stroke prototype. Needless to say, most of us would probably own one or the other (or both!) had these beasts been produced!

mid-1970s Kawasaki prototype square 4 750cc 2-stroke Discussion about a rare 1970s Kawasaki square 4 750cc 2-stroke motorcycle prototype, with comments...

Een heerlijke naked bike met het bekende sterke 750cc viercilinder blok en 110 pk. De motor rijdt en schakelt goed en ziet er voor zijn leeftijd nog erg. Hierbij verkoop ik mijn kawasaki z750 uit 2004.

Despite its technical promise, the Kawasaki Square 4 750 never reached production. Challenges such as cooling complexities, increased weight, and rising regulatory pressures favoring four-stroke engines ultimately led Kawasaki to abandon the project.