From: Mark on

"The Older Gentleman" <totallydeadmailbox(a)yahoo.co.uk> wrote in message
news:1iqxkfe.dnlm0uhmh0pmN%totallydeadmailbox(a)yahoo.co.uk...
> sweller <sweller(a)mztech.fsnet.co.uk> wrote:
>
>> Champ wrote:
>>
>> > > The very important thing is to remember to soak the friction plates
>> > > in
>> > > clean engine oil for an hour or two before you instal them.
>> >
>> > Really? Why? I've never heard this before.
>>
>> Neither have I and I've never done it.
>>
>> When we (read: Mike) changed the clutch on the race bike they were just
>> put in.
>
> Oh well. I remember reading somewhere it was advisable and so I've
> always done it.
>

It has always been recommended for cork plates, [1]
http://www.kingslynnscootershop.co.uk/clutch-corks---surflex-430-p.asp
But I don�t think its necessary for newer fibre type material.
No idea what new or replacement Japbike plates are made of.

[1] And plunger type petrol tap corks on SOBB




-


From: Pete Fisher on
In communiqu� <3130303032303038492C0D9B14(a)gruel.invalid.co.uk>,
Rusty_Hinge <rusty.hinge(a)gruel.invalid.co.uk> cast forth these pearls of
wisdom
>The message <+R$N5rFu7zKJFwZg(a)ps-fisher.demon.co.uk>
>from Pete Fisher <Peter(a)ps-fisher.demon.co.uk> contains these words:
>> In communiqu� <3130303032303038492B267309(a)gruel.invalid.co.uk>,
>> Rusty_Hinge <rusty.hinge(a)gruel.invalid.co.uk> cast forth these pearls of
>> wisdom
>> >The message <ptBIWcGURvKJFwZ6(a)ps-fisher.demon.co.uk>
>> >from Pete Fisher <Peter(a)ps-fisher.demon.co.uk> contains these words:
>> >
>> >> Oh, yes, oil the surfaces of them by all means, but I don't understand
>> >> the need for a prolonged soak of modern friction materials. I suppose if
>> >> you had done the job as part of an engine out rebuild it might be
>> >> important, but as a fix the clutch then immediately see if your fixing
>> >> has worked job I can't see the need.
>> >
>> >Can't do any harm, in any event.
>> >
>
>> No, not exactly practical in a race paddock between races or even during
>> an endurance race though.
>
>> I guess I'm just impatient.
>
>Well, if you anticipate having to change them (always expect the
>unexpected), pre-soak a set?
>

IME they usually give plenty of warning of needing changing, so
preventative maintenance is the answer. I still won't bother soaking
them, just oil the surfaces as Champ says.

--
+----------------------------------------------------------------+
| Pete Fisher at Home: Peter(a)ps-fisher.demon.co.uk |
| Voxan Roadster Gilera Nordwest * 2 Yamaha WR250Z |
| Gilera GFR * 2 Moto Morini 2C/375 Morini 350 "Forgotten Error" |
+----------------------------------------------------------------+
From: Pete Fisher on
In communiqu� <mN-dneeNWYadUbbUnZ2dnUVZ8qXinZ2d(a)giganews.com>,
kenney(a)cix.compulink.co.uk cast forth these pearls of wisdom
>In article <j8sli41k8kjlu8d533q1j2drrhvg4neipv(a)4ax.com>,
>pluscher(a)live.invalid.co.uk (Pip Luscher) wrote:
>
>> 'm not absolutely certain why it was considered necessary, though I
>> have a vague idea it's to do with clutch life.
>
> A wet clutch depends on the oil to control friction and allow the
>plates to slip. Without pre-soaking the first starts are going to be
>interesting. Off course with a dry clutch the important thing is that
>there is no oil on the plates.
>

IME just coating the surface of the plates on reassembly of a wet clutch
is all that is necessary, and I've rebuilt a few clutches over the
years.

--
+----------------------------------------------------------------+
| Pete Fisher at Home: Peter(a)ps-fisher.demon.co.uk |
| Voxan Roadster Gilera Nordwest * 2 Yamaha WR250Z |
| Gilera GFR * 2 Moto Morini 2C/375 Morini 350 "Forgotten Error" |
+----------------------------------------------------------------+
From: Rusty_Hinge on
The message <lkGbktQOxDLJFwQT(a)ps-fisher.demon.co.uk>
from Pete Fisher <Peter(a)ps-fisher.demon.co.uk> contains these words:
> In communiqu� <mN-dneeNWYadUbbUnZ2dnUVZ8qXinZ2d(a)giganews.com>,
> kenney(a)cix.compulink.co.uk cast forth these pearls of wisdom
> >In article <j8sli41k8kjlu8d533q1j2drrhvg4neipv(a)4ax.com>,
> >pluscher(a)live.invalid.co.uk (Pip Luscher) wrote:
> >
> >> 'm not absolutely certain why it was considered necessary, though I
> >> have a vague idea it's to do with clutch life.
> >
> > A wet clutch depends on the oil to control friction and allow the
> >plates to slip. Without pre-soaking the first starts are going to be
> >interesting. Off course with a dry clutch the important thing is that
> >there is no oil on the plates.
> >

> IME just coating the surface of the plates on reassembly of a wet clutch
> is all that is necessary, and I've rebuilt a few clutches over the
> years.

So have I - most of them on SOBB

--
Rusty
Direct reply to: horrid dot squeak snailything zetnet point co period uk
Separator in search of a sig
From: Champ on
On Tue, 25 Nov 2008 03:57:20 -0600, kenney(a)cix.compulink.co.uk wrote:

>In article <j8sli41k8kjlu8d533q1j2drrhvg4neipv(a)4ax.com>,
>pluscher(a)live.invalid.co.uk (Pip Luscher) wrote:
>
>> 'm not absolutely certain why it was considered necessary, though I
>> have a vague idea it's to do with clutch life.
>
> A wet clutch depends on the oil to control friction and allow the
>plates to slip. Without pre-soaking the first starts are going to be
>interesting.

Er, yes, which is why you reassemble with oil. But there's absolutely
no need to soak them in oil for an hour.

--
Champ
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