Zuma rear wheel locked after overhaul

[bandito2]

If the wheel turns when you turn the motor by hand (or by turning the wheel it tries to turn the belt/variator&motor) then the clutch is definitely holding/stuck in some way keeping it engaged. Open up the clutch to see if any of the shoes (or any broken pieces causing it to bind) are stuck against the bell. Betchya if you free the clutch, the wheel should turn easier because it will not be engaged trying to turn the belt which is connected directly to the variator which is directly connected to the engine crankshaft. With the bike NOT running and up on the center stand, turning the rear wheel will turn the bell through the final drive transmission as normal but should not be trying to move the belt because the clutch should be disengaged.

Fix your clutch!
(but you may have possibly done some engine damage too... which is a separate issue apart from the clutch)

Oh, and it should be easier to push the scooter (if the clutch is still stuck) by removing the spark plug... then you won't be fighting the engine compression of the piston stroke.
(and I don't even own any 2 stroke stuff, but did once upon a time... ultralight aircraft engine. It was a thing of beauty; Rotax 503 electric start+ pull start, 2 cylinder, dual carb, dual ignition)