I am replacing the original ESA on my Shadow, with the Series D style parts. I ordered the new ET60/1 engine sprocket and PD3/3 22 hole ESA cam from the VOC Spares Company, which I understand were recently revised to incorporate a new cam profile. Here are videos showing how the point of...
Speet & Speet have been on it today: a better curve for the ESA.
Let's see how this one will dampen those spikes in torque on the primary drive, as the original is't really up to the task.
Still only a demo in aluminium to get a feel for the shape of the cam. Also can be used in a superlight...
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