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Display Mesage #71046


PC800 Clutch Springs
Written by rwven6956 on 5/24/2007 at 03:14 pm

Fred,

I changed the friction plates to Barnetts also. I did not want to but
the first springs I ordered (from a parts dealer) were the wrong
diameter and would not seat the clutch pressure plate properly. I
took the bike for a fairly long ride during which the clutch slipped
excessivly and glazed the original plates, the steels were OK (I
checked them on a surface plate) so I only replaced the friction
plates. The clutch feels great, no slip at all and the lever force is
close to stock (subjectively tested against others with the original
springs still installed).

I have no idea what the stock spec is, I simply took a wild guess on
the replacements and (so far) seem to have gotten "lucky".

Ron

--- In ipcrc@yahoogroups.com, "Fred Seyfarth" <goldwingman@...> wrote:
>
> Ron,
> That was what I was thinking. Years back, about 35, I had some
> special springs made for high temperature tooling that hooked to
> exhaust manifolds on engine test stands, the material was 18-8
> stainless steel and I don't remember how 302 stainless compared for
> temperature resistance, I know it was less and 18-8 was the best at
> that time.
>
> I forgot to ask, did you only change the springs and how does the
> clutch feel and how is it performing.
>
> Do you have the spec on the stock springs?
>
> Fred
>
> --- In ipcrc@yahoogroups.com, "rwven6956" <rwvdtd@> wrote:
> >
> > Fred,
> >
> > A little over a year ago. About 5-6K miles maybe. I'm wondering
> about
> > how the temper of the S/S springs is compared to the standard
> spring
> > steel if that is your concern. Time will tell.
> >
> > Ron
> >
> > --- In ipcrc@yahoogroups.com, "Fred Seyfarth" <goldwingman@>
wrote:
> > >
> > > Ron,
> > > How many miles and how long since you changed to hte new s.s.
> > springs.
> > > Fred
> > >
> > >
> > > --- In ipcrc@yahoogroups.com, "rwven6956" <rwvdtd@> wrote:
> > > >
> > > > -Probably just the springs as the stock ones are rather
wimpy.
> > Mine
> > > > was slipping pretty badly by the time I changed the springs,
> but
> > > the
> > > > clutch discs were fine.
> > > >
> > > > Ron
> > > >
> > > > -- In ipcrc@yahoogroups.com, jwswingle@ wrote:
> > > > >
> > > > > While on clutch, any suggestions on best replacement clutch
> > > > itself?? or is my slippage at 68k miles probably tired
> springs??
> > It
> > > > does hook up, it just is too easy to slip it; even a sudden
> full
> > > > throttle in 5th at highway speed will cause a slight slip
> > nowadays.
> > > > >
> > > > >
> > > >
> > >
> >
>
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> > > > >
> > > > >
> > > > >
> > > >
> > >
> >
>

Message Thread for message #71046