Oil drain copper washer - Page 2

Derek · 15-Jun-2006, 17:50

You can re-use copper washers if you anneal them first. Heat them to cherry red and plunge into cold water. Better to replace aluminium ones though.

phil_h · 15-Jun-2006, 20:08

I re-use both copper and aluminium sealing washers on a variety of engines.
Its the flatness of the sealing surface that matters not the age

If you are doing it for a living, or not able to check them - ie if in doubt or in need of reduced hassle factors, then obviously the safe option is to replace

but its not mandatory.
Oh - and why am I qualified to make a comment ?
Well, if you could see my signature, you could see that I race bikes that are 35 to 45 years old, but still oil-tight

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15-Jun-2006, 17:50	#11
Derek Registered Forum User GTL Bikes: ST4s ABS Posts: 480 Join Date: Aug 2003 Location: Tayside, Scotland You can re-use copper washers if you anneal them first. Heat them to cherry red and plunge into cold water. Better to replace aluminium ones though. Reply