Re-using silcone sump gasket

[Colin Wilks]

Thanks, that seems pretty definitive; only re-use if desperate. I got it clean in the degreaser and then washed it in warm water and left it to dry, and apart from the stretch it seemed OK. However, the sealing face of the crankcase has left a noticeable indent, so clearly they don't bounce back as one might hope. When I fitted it originally the engine was freshly rebuilt so everything was squeaky clean. I nipped it up pretty gingerly and then went back the following day and tightened it. Quite difficult to judge how hard to tighten it to avoid the squish, and I left it a tad looser than I inititially felt comfortable with. No leaks though, so not dogging it hard down seems the way to go.