valve needle grinding?

lundi 14 mars 2016

I am pretty sure my valve needle are not working well.
It are the old versions without rubber tip.
So I tried some stores to buy new, but that is not easy. ( because they don't answer e-mails:mad:)
One day I will find new ones, but is it possible to grind them like grinding valve in a cilinder-head?

It will be not be an alternative for new, but could it help for a while?
Anyone tried it?


valve needle grinding?

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