spark plug repair

hey guys i really would need some help on this. I have a 2000 cbr 600f4 that needs the head to be tapped for a spark plug to fit again.... i wanna go either helicoil or time sert but i’m curious and confused on how to get the tap inside the spark plug hole with enough sticking out to turn with a...

i bought this to fix the threads on one plug on my 954. kit includes a stepped drill bit, tap handle, 2 collars for drill depth and to keep the drill bit centered in the plug well, a tap for the OD of the insert, a driver to to install the inserts and a package of about 15 inserts. i pushed a...