suzuki250 Posted June 5, 2018 Report Share Posted June 5, 2018 (edited) Does anyone know what the correct OD size is for the 40mm seals (2004 Steel tube type) 40 x 52.2 x 10/10.5 40 x 52 x 10/10.5 Which are correct? Edited June 5, 2018 by suzuki250 Quote Link to comment Share on other sites More sharing options...
cascao Posted June 5, 2018 Report Share Posted June 5, 2018 Probably, 52mm is the lower leg hole diameter and 52,2mm is the seal outer diameter. this 0,2mm is for interference fit. Quote Link to comment Share on other sites More sharing options...
anachronism Posted June 5, 2018 Report Share Posted June 5, 2018 (edited) 40 x 52.2 x 10/10.5 This is what I use & was identical to what I replaced: https://www.motomerlin.org.uk/40mm-marzochi-fork-seal-gas-gas-ossa-sherco-343-p.asp If you have the old seals the size should be molded into the face of the seal (not the wiper) in tiny numbers. Edited June 5, 2018 by anachronism Added info. Quote Link to comment Share on other sites More sharing options...
zippy Posted June 6, 2018 Report Share Posted June 6, 2018 17 hours ago, anachronism said: 40 x 52.2 x 10/10.5 This is what I use & was identical to what I replaced: https://www.motomerlin.org.uk/40mm-marzochi-fork-seal-gas-gas-ossa-sherco-343-p.asp If you have the old seals the size should be molded into the face of the seal (not the wiper) in tiny numbers. Quote Link to comment Share on other sites More sharing options...
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