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| o-rings vs. gasket for cyl head http://www.hpbc.ca/viewtopic.php?f=19&t=4549 |
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| Author: | mattmak [ February 23rd, 2024, 10:15 am ] |
| Post subject: | o-rings vs. gasket for cyl head |
What are your opinions on o-rings vs. gaskets for the cyl head? I think I've heard o-rings are NOT the way to go, yet some are committed to that design - for example: https://tsrproducts.com.au/collections/yamaha Do o-rings seal reliably? |
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| Author: | sharpeye Mike [ February 23rd, 2024, 1:47 pm ] |
| Post subject: | Re: o-rings vs. gasket for cyl head |
O-rings are also used on OMCs 60* V4s and V6s Never heard any problem with them, in fact my 96 V4 is still running strong and never opened. |
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| Author: | Roflhat [ February 25th, 2024, 11:44 am ] |
| Post subject: | Re: o-rings vs. gasket for cyl head |
The TSR head I ran on my tohatsu 50 kept leaking with the O rings, although I've had issues with bad head gaskets that were aftermarket never had issues with genuine Yamaha ones |
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| Author: | mattmak [ February 25th, 2024, 12:24 pm ] |
| Post subject: | Re: o-rings vs. gasket for cyl head |
Thanks for the replies. Opinions seem varied, even before I asked here. The thought came to mind that results may have a lot to do with block deck prep - maybe a lot of folks "DIY at home" without getting the block flattened properly. I can see this being more important for o-rings than traditional head gaskets. |
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