honda atc 110 1985 helicoil

[Brankin]

Hello I have a Honda atc 110 1985 and the spark plugs socket is threaded I was wondering if anyone.knew the exact size of helicoil I need to buy the spark plug is a Dr8hs . Cheers

[Brankin]

PLUG SPECIFICATION

Plug Diameter 12mm

Thread Length 12.7mm

Hex Nut 18mm

Heat Range 8
These are the specs of spark plug Dr8hs and I want to keep this plug so what size heli coil would I need
Hope someone can help cheers

[Brankin]

It's ok I found the heli coil it's a m12 x 1.25. For if any one else needs this cheers