The engine is a 360-degree parallel twin, with the cylinders inclined forwards at 15 degrees from vertical and a chain-driven single overhead cam. The fuel tank holds Шаблон:Convert of petrol (with a Шаблон:Convert reserve capacity). A diamond frame is used, with telescopic front forks and a rear swingarm.
Very similar to the Honda Benly range of cycles, but the CDU has twin CV carbs and a 5-speed gearbox . No tachometer in the instrumentation, only a speedometer and supplementary lighting for neutral, indicators and high-beam. Gear change ratios are placed around the speedometer to indicate gear change speed ranges. A dualseat is standard fitting. A single disc brake is fitted to the front, a small drum being retained at the rear. The only CD model not to have a fully enclosed final drive chain.
The CD250U has a top speed between 70 and 80 mph, depending on wind conditions and gradient, and passenger / luggage.Шаблон:Cn
Very economical, 80 mpg; though some claim they are able to get up to 90 mpg (imp).Шаблон:Cn
Rickman made a full fairing option, and the model was used by police units in the early 1990s.
The engine was also used in the later CM250 Rebel and CB "Two Fifty" models (also known and marketed as the "Night Hawk" in the U.S.)
