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Title: S4RS valves? Post by: DesmoBlob on June 26, 2008, 02:11:51 PM Does anyone know if the Monster S4RS Testastretta uses the newer tapered valve retainers? Or are they the ubiquitous half-ring style?
I've tentatively agreed to do the valve adjustment on a friend's S4RS Testastretta. I have experience doing the regular half-ring style. But if the S4RS has the tapered style... ugh...! Not diggin the idea of pulling the heads. Title: Re: S4RS valves? Post by: clubhousemotorsports on June 26, 2008, 05:14:44 PM They are not tapered collets as far as I know.
That said if ducati ran out of half rings that day........... Title: Re: S4RS valves? Post by: DesmoBlob on June 26, 2008, 06:38:23 PM heh thanks for the reply. That helps ease my mind. [moto]
Title: Re: S4RS valves? Post by: Speeddog on June 26, 2008, 10:36:14 PM They are not tapered collets as far as I know. That said if ducati ran out of half rings that day........... Deja vu all over again, eh? [laugh] And more on the way, I'm sure. [laugh] Opener and closer shims are the same as desmoquattros. Per the parts catalogues, and in my experience. Title: Re: S4RS valves? Post by: brad black on June 26, 2008, 10:56:12 PM the only models to run the tapered collets were the 749S '04 onwards, 749R and possibly 999R '05. all later stuff runs the same old collets.
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