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Clutch rub

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Clutch rub

Postby Alex_amd2001 » Mon Feb 02, 2015 6:45 pm

Hi Guys,

Having recently stripped my gearbox (li150) I took the opportunity to replace the clutch plates at the same time. I now find the the clutch inner bell is rubbing on the inside of the chaincase, causing a bit of clutch slip. Nothing is different other than the new clutch plates. Any ideas why this would happen? Or a solution? Just a thicker chaincase gasket?
Many thanks, Alex.
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Re: Clutch rub

Postby foremanbob » Tue Feb 03, 2015 10:41 am

Alex_amd2001 wrote:clutch inner bell is rubbing on the inside of the chaincase, causing a bit of clutch slip.


Struggling to picture how this could happen and cause clutch slip. Where exactly is it rubbing?
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Re: Clutch rub

Postby Alex_amd2001 » Tue Feb 03, 2015 10:55 am

Hi Bob,

The rubbing is on the raised part of the inner case where the clutch shaft sits. It looks like the outer part of the clutch bell (over where the springs sit) is grinding here. No idea why it should have suddenly happened. Cheers. Alex
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Re: Clutch rub

Postby rossclark » Wed Feb 04, 2015 10:27 pm

It should rub on the kickstart shaft before it gets to the rib on the casing.
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