I was awaiting to take delivery of my NC30 front M/C repair kit and the nuggets have sent me a kit for a rear. the kit I've got looks like 5/8 or 16mm and I know my rear is marked up 14mm therefore I assume there is no point in keeping it. please could someone advise if this is correct or not as the Pt No from akaras info is the right size Honda number.

I believe honda made two front master cylinders for the NC30,
A 5/8.And a 14mm.

i know I have the front one stripped ready to go, I just wanted to know if I could use the kit supplied for the rear, but I think the dia is wrong. As I say it's around 5/8 and the rear master cylinder is marked 14mm.

Well in that case No,You will have to get the 5/8 kit for the front.

I believe that there is not a front kit available as a pattern part!! For some reason they are listed as 12.7mm diameter I've had this had 4 kits from different suppliers all wrong. Honda list the correct kit but its not cheap the correct size is 14mm x50.5 mm