Then why not reduce the oil capacity by 31cc.
Do you race, or just ride on the road, as you may not even notice a
small change in capacity, as I dont when a seal leaks.


Dave.






The man's point about the wall thickness is a good one. There is 31cc
of difference between the stock spacer and a same lengths NPS 1
Schedule 40 PVC pipe. That is a significant amount of air gone missing.