hi im new to the world of nitro rc and im having a lil trouble . my wheels keep spining when no acceleration is applied. can any one help please im a NOOB

Idle speed could be set too high, which is making the clutch engage. You could also be running too lean, resulting in the same thing. Linkages and trims should be checked as well.

If it's not the idle or trims, your clutch spring is bad.

or the throttle trim is set too high on the controller