SOHC.co.uk Forums > CB350/400

Exhaust seal

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Bodd:
Is it common practice to use a sealing compound between the exhaust collars and gasket or is the gasket sufficient on it's own ?

tom400f:
I assume you mean the head and not the downpipes/collector joints, but either way I've not heard it done and I don't believe it's necessary (mine are OK)

Bodd:
I mean where the header attaches to the barrels via the collars and gasket, there are no collars or gaskets at the collector box junction, just some packing, I asked because when I stripped the bike down there was evidence that a previous owner had used a sealing compound.

bike-pusher:
I've never seen it done and if decent gaskets are used it's not necessary anyway.

Bodd:
I think you have both confirmed no need for a sealant, thanks guys.

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