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Flywheel bearing

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

Flywheel bearing

Postby gp200ts1 » Tue Sep 13, 2022 6:57 pm

I have in my collection of bearings an NU2205ecp but it is c3 clearance. Would it be ok to use?
Thanks in advance.
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Re: Flywheel bearing

Postby Warkton Tornado No.1 » Tue Sep 13, 2022 9:23 pm

Personally, I've used successfully the standard class of fit. Despite that they were often free/extremely cheap, I reason that despite any additional clearance, the wear in the crankcase journals would offset the need for additional clearance.

So, in a roundabout way, putting the cart before the horse, I believe that C3 is the appropriate class in any case, but can't verify that. It is in Sticky's book.....I think.

What I said about old crankcase journals becoming slacker fit still stands & I think C3 appropriate for fresh cases, but I reckon you'll be fine.

(Sorry about the lengthy reply but I do try to make matters clear :roll: )
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