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DaveJ Added a reply to Servicing KYB PSF-2 Air Forks

5/26/2020 1:43pm
Yes, it's a scraper ring. It's only used on the special KYB seals that have the groove for it. This was a new seal design that KYB started using with the PSF-2. Text me at 408-406-2089 if you need any help.

DaveJ Added a reply to Fork Seal Replacement - Outer Chamber Only?

1/24/2019 8:49am
Ah...great point. The inner chamber is where all the "work" is done, or the conversion from kinetic energy to heat, so it does experience a break down...all depending on how hard and often you ride the bike. So...with low hours and a need to just fix a seal, it's not mandatory that you replace any oil. But, if you want...

DaveJ Added a reply to Fork Seal Replacement - Outer Chamber Only?

1/23/2019 7:00pm
Technically you don't have to put new oil in either one. And you don't have to dump any oil out if you're just replacing the seal. There are ways. Now...that said, maybe you're thinking about servicing the fork at the same time you have them apart. In that case, you will find that the outer fluid is dirtier and in...

DaveJ Added a reply to WP Fork Preload Question

1/17/2019 4:01pm
Great advice. So...do you ride the NorCal tracks? How are things looking up there? Used to get to E-Street and MMX all the time but haven't been in ages.