New 20 ounce tumblers available now! Forum donation credit with purchase. https://www.wildguzzi.com/Products/products.htm#Tumbler
I went and pulled up the above document for entertainment purposes - it's 52 pages long. http://www.thisoldtractor.com/guzzitech.dk/pdf/gearbox-repair-breva-750-nick-webb.pdfI won't be reading it at work today.
take 15 minutes and pull swingarm and rear drive off if possible - U joint and rear drive are weak links. I would be surprised if it is a tranny issue. email me if you need parts....I may have what you need.