Tech manual article on fixing speedo fluxuations

[hoodude]

I recall seeing the article on a fix,if a flex disc was being replaced too...involved grinding down a 1 1/4 in drive socket..for a special tool to tighten the drive gear for the cable..can’t relocate now. Can a link be provided?
Thanks and cheers if one can be had...RE

[hoodude]

Strike that..upon further review discontinue search ..found it,right where it was in the manual the last time I saw it..I just forgot where that was.
Now that wasn’t so hard,innit?