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RE: 1975 Honda C50 6v Crankcase Pressure

Posted by : Tony (86.155.128.244) Inappropriate or SPAM?
On Monday 21/09/15 at 01:42:24

Thanks Radar. Yes, if you run the engine with the dipstick screwed fully home and then switch off the engine, release the dipstick, it makes a really loud hissing noise and pushes the oil out as well, just like shaking a 5 litre bottle of coke and then undoing the lid. I think it must be the head gasket piston pressuring the crankcase, but as I said, it was running perfect before the casing were taken off.



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