New 20 ounce tumblers available now! Forum donation credit with purchase. https://www.wildguzzi.com/Products/products.htm#Tumbler
This on-line V7 text file is no longer maintained, but I'm sure it will have lots of useful info for you and other small block riders. I wish I still had mine...https://www.dansher.com/bikepix/Guzzi/_V7_fyi.txt