Scrapping sound minerelli v1

I have this scrapping sound coming from the engine or gear box of my minerelli v1. I replaced the starter clutch bearing. Here's 2 videos video 2 you can hear it better. Only happens when I'm slowing down. More so when slowing and turning left.

Re: Scrapping sound minerelli v1

Re: Scrapping sound minerelli v1

Re: Scrapping sound minerelli v1

Broken tooth in zee gearbox?

Re: Scrapping sound minerelli v1

Aaron I don't know that's why I'm asking?

Re: Scrapping sound minerelli v1

I can't believe nobody has any idea what this noise is!!!

Well I did some maintenance today on it. While I had the rear tire off I cleaned the chain and both sprockets and lubed it with heavy weight gear Oil. Usually I use belray but I was out. Before anyone says shit I've been using gear oil for 40+ yrs on dirt bike and racebikes never had a problem. Started using chain lube and issues started. Anyway lubed and reinstalled the wheel and no more funny noises. (edited)

Re: Scrapping sound minerelli v1

from the video sounded like center stand flopping around, but after your fix(not oil related), sounds like it was chain slap

Re: Scrapping sound minerelli v1

Or your wheel was crooked in the dropouts and the chain was rubbin the frame or shocks er somethin

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