The project is not the latest, it is from 2018, but we would like to show it to you. “The Super4 is back on track!” This was the motto of the 2018 Kawasaki Germany custom project. The focus: the Z900RS, whose roots go back to 1972/1973. At the beginning of the 1970s, motorcycles with four-cylinder engines from Japan were popular - especially a bolide with the official designation Kawasaki 900Z1 Super4. This model represented a quantum leap for the brand. Back then, the backward European or American brands had no chance against the concentrated force from the Far East.
2018 Kawasaki Z900RS Super4
In 2018, 45 years had passed since the launch of the 900Z1 Super4. Modern classics are now all the rage. And events like Glemseck 101, which celebrate motorcycling as a whole, but especially the retro and vintage cult, are a crowd puller. Kawasaki Germany is right in the middle of it instead of just being there and delivered a new race-ready custom bike in 2018. In 2016, the underdog came into play. The basis was a Vulcan S, which with the help of Kawasaki contract partners Warm Up (Aalen), Motorrad Höly (Schriesheim) and a nitrous oxide injection achieved a sensational second place at Glemseck 101. In 2017, the tuner icon Dieter Briese went back to work with motorcycle Höly to turn a Versys 650 into an admired race bike. The twin, called Supersys, achieved its immense peak performance with the help of a turbocharger.
Power from four cylinders
The success story was continued in 2018. The difference: now the power came from four cylinders. The basic motorcycle fits perfectly with the spirit of the events. As the modern embodiment of the 900Z1, it made sense to label the tuning version of the new one with the name affix of the old one. This is how the project got the name "Z900RS Super4".
Dieter Briese again took care of the preparation of the racer, who wanted to increase the performance to approx. 160 hp and at the same time save around 25 kg. With sharper camshafts, larger throttle valve diameters (from 34 mm to 43 mm), a lighter crankshaft and polished connecting rods, the engine is tuned very traditionally. In addition, there are weight-saving components such as the lithium-ion battery from Intact, race brake calipers, special suspension lever or super-light race tires from Bridgestone.
Seat line of the original Z900RS
Even if the beautiful tank seat line of the original Z900RS is to be retained, specially manufactured parts make the bike even more stylish: the four-in-four exhaust system comes from HATTECH, the spoked wheels from Haan-Wheels. SW Motech will take care of the elegant racing seat. In addition, there are various add-on parts from LSL and a special paint job that Karosseriebau Solarski and vj-design have implemented.
The Z2016RS Super900 was then presented to the public on the Glemseck weekend in 4. Unfortunately, the successful pilot of the last few years, Francesca Gasperi, could not be there due to an injury. Caro Fitus competed for her, who has already shown that she has the necessary competitive strength. At the second race event as part of INTERMOT on October 6th, Francesca was supposed to intervene again in the racing scene.
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Kawasaki Z900RS Super4, made by Kawasaki Germany
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