This Right (Clutch Side) Crankcase 1/2 is for the 700-750 Engines withe the Wet 5-Shoe Clutch. 2013-2020ish)
The Oil Drain uses a Large 36mm Drain Cap/Nut and O'Ring, not the 14mm Drain Bolt (early 2008-2013ish)
This case will NOT eccept the 6-Shoe Clutch or the newer 1:7 Crankshaft and Flywheel.