Videos from Sport-Evolution
In this video, Dietmar explains the differences between constant-velocity and slide carburetors on BMW two-valve motorcycles. You will learn how both systems work, how they affect throttle response, power delivery, and riding feel, and in which situations each type shines. Dietmar highlights that the choice is often less about technical superiority and more about your riding style and personal preferences. A fascinating insight for anyone interested in carburetor technology in the custom motorcycle world.
In this video, Dietmar explains the differences between Twinshock and Monolever models and what they mean for customizing a BMW two-valve motorcycle. You will learn about the technical characteristics of both concepts, how they influence handling and tire options, and why modern upgrades minimize performance gaps. Dietmar also highlights how much personal preference matters – whether you prefer the classic look with two shocks or the modern style with a single-sided swingarm. A useful guide for anyone selecting the right foundation for their custom bike.
In this video, Dietmar explains the concept of dual ignition and why it plays such an important role in classic BMW two-valve engines. You will learn how combustion changes inside the engine, why older engines benefit from this system, and why modern engines no longer need it. Dietmar also shows when a conversion makes sense and what performance gains can be achieved. A clear and accessible introduction to a complex topic in engine technology and tuning.
In this video, Dietmar explains how open air filters work on classic BMW two-valve motorcycles and which technical aspects are crucial. You will learn why carburetor condition and proper tuning are essential, what risks come with incorrect adjustments, and how this modification influences rideability. Dietmar also discusses the legal requirements and why official approval is only possible under specific circumstances. A valuable insight for anyone considering open air filters on their BMW.
In this video, Dietmar explains how modern ABS technology can be integrated into classic motorcycles without compromising their character. You will learn about the safety benefits of ABS, the technical challenges involved, and why precise adjustment is crucial. Dietmar shows how safety and authentic riding feel can be brought together and which models are suitable for such modifications. An inspiring look at combining tradition with modern engineering.
In this video, Dietmar from Sport-Evolution explains why fork lowering was originally developed to improve handling rather than for aesthetic reasons. He demonstrates how adjusting the fork height affects balance, stability, and steering, and highlights the sensible limits of this modification. You will also learn about the specific requirements for different bike types and what matters in professional execution. A hands-on insight that helps you better understand the advantages and drawbacks of fork lowering.
In this video, Dietmar explains how engine tuning is carried out at Sport-Evolution’s test bench. Using a Triumph Thruxton 1200 as an example, he shows why precise mapping is essential for performance, throttle response, and rideability. You’ll see why standard solutions are never enough and why every motorcycle requires an individual setup. Franzen discusses the evolution of modern engine control units, the role of the air-fuel ratio and hardware, and how common issues such as stuttering can be resolved. He also clears up myths about horsepower figures and reveals what really matters in professional tuning. A fascinating insight into the workshop practice of Sport-Evolution, showing how expertise and technology can truly transform the riding experience.