a65 cylinder barrel nuts

Started by Ralphy2, 18 Jul, 2026, 11:51

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Ralphy2

What's the general opinion on fitting washers under the cylinder barrel nuts on an A65, as far as I know they were not fitted when new?  cheers, Ralphy

V500

Good engineering to fit washers on any head, but particularly  on  alloy heads to prevent distortion around the nut seating.

DAVE BRADY

Hi,

Definitely washers. They help to protect paint and look more finished than just a nut.

Dave.

Ralphy2

Thanks for the input guys, but am I right that there were none fitted when new? barrels to crankcase nuts is what I mean.  cheers, Ralphy

DMadigan

In '71 the nuts were changed to a washer base type. Still. better to use a washer as turning the nut against paint will change the torque depending upon the hardness and thickness of the paint.