AarhusTr6 Posted February 26, 2022 Report Share Posted February 26, 2022 (edited) I'm really sorry if it is a thick question but I just want to make sure that I do this correct. I tightened the castle nut to to arm tight and ensure that the wishbone could move nicely up and down however when I fit the cotter pin into the hole it does not align with the castle nut or rather the cotter pin does not fit into the slot of the nut that is on the outside of it Simple me thinks just add another washer but I know there was only one washer when I removed the swingarm. I am thinking the original bushings were fatter? I have used the blue polyurethane bushings. I would appreciate some advice before I progress. I would add a picture but some message comes up about it being too big. Richard Edited February 26, 2022 by AarhusTr6 Quote Link to post Share on other sites
PodOne Posted February 26, 2022 Report Share Posted February 26, 2022 Hi Rich I fitted Super Pro bushes and needed just the washer/nut and the split pin fitted nicely in the castellations. Sounds like your bush is too slim or have you perhaps pressed it in too far through the other side? If not I can't see any harm in fitting another or thicker washer to ensure the pin sits in the castellations otherwise its more likely to allow the nut to move. Andy Quote Link to post Share on other sites
BlueTR3A-5EKT Posted February 26, 2022 Report Share Posted February 26, 2022 (edited) Use nyloc instead of slotted nuts? I know I do. GHF274 is The Unipart reference. They are 7/16 unf thin pattern. https://www.ldpart.co.uk/shop/shop.php?c=viewproduct&pid=465&cat=58&maincat=7&start=0&sid=sidd6fb2.. Edited February 26, 2022 by BlueTR3A-5EKT Quote Link to post Share on other sites
Waldi Posted February 26, 2022 Report Share Posted February 26, 2022 I.i.r.c the nut and ring should lock on the fulcrum pin, not have any clearance. A thicker ring could help, or try another nut. Waldi Quote Link to post Share on other sites
AarhusTr6 Posted February 27, 2022 Author Report Share Posted February 27, 2022 thank you for the input My concern is that maybe I am tightening the nut too much? Because the more you tighten the castle nut that the more you compress the bush Richard Quote Link to post Share on other sites
stuart Posted February 27, 2022 Report Share Posted February 27, 2022 If the bush is correct you would run out of thread with the bush compressed and then you should be able to get the split pin in with just a small movement of the nut backwards. Obviously check the arm movement but all good bushes should be able to to be fitted like that. Stuart. Quote Link to post Share on other sites
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