As I had mentioned in this topic: https://www.v11lemans.com/forums/index.php?showtopic=20337&hl= my gearbox had cracked, probably due to dropping the bike once. As suggested in the topic by a bunch of you guys, I felt adding the brace with the new gearbox from Rolf was the way to go.   Last week I finally found the time! Some pics:   Making a cartboard tryout.   Steel insert ready for welding.   Welded and paint restored. Not the greatest paint job I know, but once the bike was