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Early type indicators cracking

Posted: 23 Jun 2023 21:41
by morini_tom
Has anyone got a proven way of keeping the early (round bodied) CEV 173 indicators attached to the bike without cracking?

If you don’t do them up tight enough they rotate
If you do them up too tight they crack
If you knock them because of their rigid metal stalks they crack

If they were cast metal they would be fine but chromed plastic just doesn’t have the strength.

Keen to keep this correct type of indicator on my 75 sport, but at around £80 a pair (if you can find them) it’s a bit much to consider a consumable!

Re: Early type indicators cracking

Posted: 24 Jun 2023 08:24
by 3potjohn
If you had a late model A65 you could in addition watch them rotate on the move.

Re: Early type indicators cracking

Posted: 24 Jun 2023 13:27
by MickeyMoto
morini_tom wrote: 23 Jun 2023 21:41 Has anyone got a proven way of keeping the early (round bodied) CEV 173 indicators attached to the bike without cracking?

If you don’t do them up tight enough they rotate
If you do them up too tight they crack
If you knock them because of their rigid metal stalks they crack

If they were cast metal they would be fine but chromed plastic just doesn’t have the strength.

Keen to keep this correct type of indicator on my 75 sport, but at around £80 a pair (if you can find them) it’s a bit much to consider a consumable!
If I remember, tape around the stem to increase the diameter and a shake proof washer, unless that was my BMW!

Re: Early type indicators cracking

Posted: 26 Jun 2023 09:31
by Steve Brown
3potjohn wrote: 24 Jun 2023 08:24 If you had a late model A65 you could in addition watch them rotate on the move.
Oh yes the Morini/CEV items do that too. I could flog Tom a set of Lucas pattern items I have maybe? :)

Re: Early type indicators cracking

Posted: 27 Jun 2023 03:21
by 70sbikes
I rubber mounted my rear indicators & this seems to have solved the rotating issue (looking at the photos it's time for new rubber washers to be installed). Of course, rubber mounting meant the indicators no longer earthed through the bodies, but I discovered my CEV's had provision for a wired earth. This also solved intermittent non-flashing indicator problems...

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Re: Early type indicators cracking

Posted: 27 Jun 2023 10:42
by 72degrees
Aha! One of mine tends to rotate with a rubber washer and if tightened too much loses the earth. I must do that mod.