DanMi Posted July 22, 2023 Report Share Posted July 22, 2023 It doesn't matter which way hence the unused hole bottom right. I would put a smear of sealant around the rocker feed. But I have to agree with Johnny, No1 looks like there has been something rattling around in there with what look like pits to the piston crown and cylinder wall. Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 22, 2023 Report Share Posted July 22, 2023 yes +1for the crown and cylinder damage the cyl wall needs some careful examination and maybe time for a rebore ???? Pete Link to comment Share on other sites More sharing options...
Steve P Posted July 22, 2023 Report Share Posted July 22, 2023 Top of No.2 doesn`t look too clever. S Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 22, 2023 Report Share Posted July 22, 2023 she has obviously consumed some foreign bodies at some time of life Pete Link to comment Share on other sites More sharing options...
AidanT Posted July 22, 2023 Report Share Posted July 22, 2023 (edited) Hi It's just a bit of oil down the bore nothing else, - a bit of lubrication while turning the engine back and forward to set the tming. The top of the piston has s bit of pitting but it's just the surface Aidan Edited July 22, 2023 by AidanT 1 Link to comment Share on other sites More sharing options...
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