Member Contributer SirDoh Posted June 18, 2021 Member Contributer Share Posted June 18, 2021 This aught to be a sticky or its really obvious and I don't know where to look. What are the Stock springs and oil in VFRs? Are they progressive? Unless I know where I start, how do I know what to fit in order to move in the right direction. Mine is a 2009 6th gen but everyone must have this question. Link to comment Share on other sites More sharing options...
Member Contributer Thumbs Posted June 18, 2021 Member Contributer Share Posted June 18, 2021 There’s a YSS spring table in the download section Link to comment Share on other sites More sharing options...
Member Contributer SirDoh Posted June 18, 2021 Author Member Contributer Share Posted June 18, 2021 There is a table but its all Aprillia data, and it doesn't answer the original question which was about the base/OEM spring. Link to comment Share on other sites More sharing options...
Member Contributer Thumbs Posted June 18, 2021 Member Contributer Share Posted June 18, 2021 Have a look at Brooks Barn, you’ll have to go through the models but the type and spring length are there The Hagon numbers aren’t reliable as some dispense with the spacer tube https://www.brooksuspension.co.uk/fork-springs/yss-fork-springs/?manufacturer=60 Link to comment Share on other sites More sharing options...
Member Contributer DannoXYZ Posted June 18, 2021 Member Contributer Share Posted June 18, 2021 I think stock rate is 0.85 kg/mm. Seems most Japanese bikes have suspension tuned for 65kg riders. Link to comment Share on other sites More sharing options...
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