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I sat the endfloat to nil and no preload for about 10.000 km ago at my crankshaft, but now there seems to be a little endfloat.
Using a dial indikator I can measure around 0,01-0,02mm.
Is that acceptable or should i do something about it ?

Best regards Per

They need some preload, more feel than measurement though.

Thanks, i will give the crankshaft a little preload.

I try to shoot for about .004" or a slight drag on the crank when turned.It will fall slowly and smoothly when the counterweights are about 90deg. from vertical.As Dave said it is kind of a feel operation.

It will fall slowly and smoothly when the counterweights are about 90deg. from vertical

That's the ultimate test I use too.

Kev

I set one once to what I calculated as zero and after about 15,000 k`s it developed endfloat again. The next one I did I aimed for .002" preload and that has been fine.

Thanks for the advises,

Then i think i will adjust the preload to 0,03 -0,05 mm and thereafter check that the crankshaft can rotate by its own weight as described.