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Cylinder head copper washers - do you need to renew ?
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The reason those four washers are copper is because the spaces in the cylinder head around those four studs are oil passages for feeding the cam bearings. The copper is the gasket between the head and the nut. The inner 8 studs just hold the head down, so don't need any gaskets.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
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