SOHC.co.uk Forums > CB350/400
What Gasket Goo ???
cliff7:
Anybody use Wellseal? There seems to be fors and againsts compared to Hylomar on other bike and car forums. I'm sitting on the fence.
McCabe-Thiele (Ted):
--- Quote from: cliff7 on October 06, 2020, 03:58:59 PM ---Anybody use Wellseal? There seems to be fors and againsts compared to Hylomar on other bike and car forums. I'm sitting on the fence.
--- End quote ---
I used a sealant in the olden days that was a thin light brown coloured compound that was slow to dry out - the name Wellseal sounds distantly familiar.
MrDavo:
--- Quote ---for the likes of my old Triumph 21 back in the 1960's Red Hermatite (that never cured the oil leak for more than 10 days).
--- End quote ---
That brings back horrific memories of old Brit bike engines, and my hands, plastered with the stuff. It was a beggar to get off, and made my hands look like a serial killer's. I still can remember the smell too, somewhere between fresh bread and Plasticine.
I eventually fell for the Rolls Royce hype and used Hylomar, but probably too much and trying to compensate for leaks caused by things like chain case screws that went into holes with stripped threads etc... I used to take great pride in having a T140V that didn't leak oil though (until it did).
Bryanj:
Wellseal NO it hardens, Hylomar people put on way to thick and it bungs up oil ways, Hermetite whatever colour dont swear on here please, silicone NO WAY NO HOW,
Hondabond, Yamabond, Threebond yes used VERY sparingly, a tiny tube will do more than one engine.
Paper gaskets you can use clean grease but nothing else and definitely NOWT on head gasket but if possible get a Honda one which is pre stickyed in the relevant places.
There is one point that Hondaman on the US site makes and that is that since asbestos has been removed gaskets are thicker so the theory is you need thicker O rings in the gasket to get the same seal
royhall:
--- Quote from: MrDavo on October 06, 2020, 06:53:25 PM ---
--- Quote ---for the likes of my old Triumph 21 back in the 1960's Red Hermatite (that never cured the oil leak for more than 10 days).
--- End quote ---
That brings back horrific memories of old Brit bike engines, and my hands, plastered with the stuff. It was a beggar to get off, and made my hands look like a serial killer's. I still can remember the smell too, somewhere between fresh bread and Plasticine.
I eventually fell for the Rolls Royce hype and used Hylomar, but probably too much and trying to compensate for leaks caused by things like chain case screws that went into holes with stripped threads etc... I used to take great pride in having a T140V that didn't leak oil though (until it did).
--- End quote ---
A T140 that didn't leak. That requires a divine miracle and a blessing with holy water from the Pope himself. Then you still need to get lucky. Beats me how a dry sump engine can leak oil overnight when there's hardly any oil in it.
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