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Jun 14th, 2026
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Joined: Feb 2016
Posts: 8,657 Likes: 407
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,657 Likes: 407 |
That's certainly a ¼" thread but could be UNF with thread pitch slightly finer at 28 tpi compared to 26 tpi for BSF.
Note they are usually taper threads and beware of length of threaded part lest it touches kingpin! Note also the top grease nipples have a larger thread of ⅛" BSPT
A trip to local motor factors with old one as pattern may be best.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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