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Broken chain cover stud

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

Broken chain cover stud

Postby eyeguy » Tue Nov 29, 2016 12:03 am

So I removed the chain cover to repair a broken stud. One of the larger ones. I noticed a piece of metal lodged between the case wall and the chain guard. Unfortunately it is a tooth off one of the gears. Not first gear as you can see that gear. It's the only one I found. Will it be okay to leave alone for now, or will it give trouble?

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Re: Broken chain cover stud

Postby Norrie Bodge » Tue Nov 29, 2016 1:33 am

Get it stripped m8
Replace all the damaged parts or it maybe you damaged if u keep riding it !!!
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Re: Broken chain cover stud

Postby CHRIS in MARGATE » Tue Nov 29, 2016 8:10 am

Out ! Another broken tooth could easily lodge between the gear clutter and lock the gearbox up. Not a pleasant experience at any speed.
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Re: Broken chain cover stud

Postby Tractorman » Tue Nov 29, 2016 9:58 am

You also want to examine all the gears and cluster for signs of damage.
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Re: Broken chain cover stud

Postby HxPaul » Tue Nov 29, 2016 10:35 am

It needs stripping and checking.Check every moving part in the gearbox,especially the teeth on the loose gears,the teeth on the cluster,all the rollers on the chain and front and rear sprockets and all the bearings.
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Missing gear tooth

Postby Knowledge » Tue Nov 29, 2016 1:39 pm

I think this thread needs a more accurate title.
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Re: Broken gear tooth

Postby eyeguy » Tue Nov 29, 2016 2:15 pm

Thanks for the replies. Looks like I have a job to do. Changed the post title
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Re: Broken chain cover stud

Postby eyeguy » Wed Nov 30, 2016 2:19 am

Took it all apart. 3rd gear lost a tooth. All other gears,bearings look good. Ordered new gear. Glad I did it. Now no worries.

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Re: Broken chain cover stud

Postby HxPaul » Wed Nov 30, 2016 10:18 am

Glad you found the problem,when its rebuilt you will be able to ride without worrying about anything in the gearbox.
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