Hi techeads!
What is the tolerance people are working with when honing a cylinder for a new piston on a sprint 150 iron barrel?
Haynes manual says .2mm (.008 in the old money)

thoughts?

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Hey Fabio. 0.2mm sounds very high and I think when you get up to that value, you need to go oversize.
On a 166 malossi its 0.04mm out of the box. I prefer 0.06mm. I don't have the figures handy for a sprint
Hey thanks for your kind response Rolf. I've found quite a bit of differing info on this.

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