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From: Mark on 25 Nov 2008 10:36 "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 25 Nov 2008 12:54 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 25 Nov 2008 12:56 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 25 Nov 2008 14:13 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 25 Nov 2008 15:18
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 |