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| Posted: 06-06-2007 01:40 pm |
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Dan (Florida)
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Just for my 2 cents, I cut two gaskets from 3/16" black Garlock gasket rubber bought at a nuts and bolts store using an old gasket as a pattern. I did all of the usual cleaning, tapping , etc and attached the gasket to the valve covers first using Yamabond 4 gasket sealer (yamaha motorcycle dealer) and about 15 spring clothes pins per cover to make sure the gasket didn't slip or show gaps. after drying and inspecting I coated and partial dried the head and valve cover gasket surface and installed the covers. Sometimes a little partial drying will set up the sealer so as to fill in gaps a little better. This surface is without a doubt the worst gasket sealing area I have encountered, and cannot say enough good about Yamabond 4 sealer. Mine havent leaked in over a year, which I can't say about the rest of the engine. hth Dan Edit: If I had to do it over again I would drill and tap 1/4 " breather lines into both covers to vent blowby, particularly in the exhaust cover. Once the exhaust area starts to collect oil the blowby must build up pressure under the cover aiding leaks wherever it can. Last edited on 06-06-2007 01:47 pm by Dan (Florida) |
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