I bought this primary sheave as a spare so I could experiment with machining the face and seal hump. I had it shipped to me as the guy selling it was several hours away. I cleaned all the grease out of it today and the roller channels are worn about .015" at the inside on some and about .005" on others. My original sheave has around 1000km on it and shows no wear whatsoever so I don’t really have a point of reference. It also looks like the bushing has been hot. It measures at 1.3796 (35.042mm) at the outside and 1.3791 (35.029mm) at the inside. I couldn’t find the specs in the service manual. Anyone have any input?

I bought this primary sheave as a spare so I could experiment with machining the face and seal hump. I had it shipped to me as the guy selling it was several hours away. I cleaned all the grease out of it today and the roller channels are worn about .015" at the inside on some and about .005" on others. My original sheave has around 1000km on it and shows no wear whatsoever so I don’t really have a point of reference. It also looks like the bushing has been hot. It measures at 1.3796 (35.042mm) at the outside and 1.3791 (35.029mm) at the inside. I couldn’t find the specs in the service manual. Anyone have any input?