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This programme can be used for calculating the vehicle speed at a given engine speed for all the gears in a motorcycle or kart.Top
The image below shows the computed speed output - mph and kph - for a 3 speed gearbox motorcycle. First enter the engine speed, driven tyre diameter plus the engine sprocket and wheel sprocket into the dialog box titled "Bike Details".
In the example above, the speed in 3rd gear is calculated at 112.63 mph.