OH, this isn't a Z.Ended up with some kinda tubular header on the forklift motor (no, seriously, the R16 shares a considerable amount with the H20 forklift motor).
View attachment 13914
The SU carbs were rebuilt by Ztherapy, and machined for bearing-mounted throttle shafts (stock they just got shoved through the aluminum bodies, so they end up wearing down and leaking over time).
Bout ready to pull that motor, though.