Thanks... Main issue...?
I heard there is two different size alternators of the nc30 models anyone have any idea what size is in the 1989 model??? I heard one has a 102mm outer diameter? Please correct me if I'am wrong

I'll have a measure tonight as mine is out the bike at the moment.

Er, yes, there are two. 102 and 107mm. Earlier NC30s were fitted with 102mm stators and later ones plus the NC35 were fitted with 107mm. I cannot remember when this changed.

And just to be useful, various people supplying aftermarket ones can't agree on what size the same year had, never mind different ones nor the NC35....

Err, where are you getting this info from?

As far as I know all NC30's use a 102mm stator, the 89 bikes stator a flywheel was made by Hitatchi where-as the later ones with ND but there all the same size as far as im aware.

It's only some early RVF's use the same stator as the NC30 (102mm) but later ones use a 107mm as mentioned in the above post.

Also, the NC24 was fitted with either a 92mm (NC21 style) or a 102mm stator (NC30 style).

Really? I'm sure that when I was looking into stators a while back that the earlier 30's had the smaller stator, and the later ones had the larger one that was subsequently carried over to the 35. I'm quite happy to be corrected, however. Also, I stand by my assertion that most of the aftermarket suppliers seem to be contradicting each other regardless of whether or not it was the 30 or 35 that has two different sizes!

Flywheels look different...but not sure the actual windings do. I'm with Neo on this one.!

Well, I've found at least one supplier that does agree with Neo too. Shame the others don't even agree with each other!