Dating a G5/Convert

My G5 is registered in Jan 18th 1977,frame number comes in as low number Convert.
I’m pretty sure the actual build would be earlier than that .
How can i find this information.

Cheers
Chill

I believe Mike Lacy is the clubs dating officer.
A am not going to make jokes about getting too attached to your motorcycle.
Definitely not.
No way.

Thanks Ian
She makes a nice ride :wink: