The poll is flawed, IMHO. It doesn't allow for multiple responses.
Take my case.. I have 3 kz's.
One runs APE - it's my 'running' bike at the moment, with about 7k since rebuild.
Two have OEM - I think... haven't gotten that far yet in rebuild.
Of the two, I bought z100 kit with shortened spring and planned to run it.
The last one, I've been looking for a manual unit other than APE.. One that has finer adjustment threads for more 'feel' when tightening.
For the poll I replied 'manual'.
The real thought, once again IMHO, is where did the idea 'oem must be replaced'? Was it born out of actual failures, or perceived possibility of failure?
For me, this video is all I need to swap it out.. Just like ball bearings in steering heads can dimple the races.....
Shoot to about 1:45 on the timeline.
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