Originally Posted by
billybovine
Not letting it idle before checking would not be a good idea. The amount will depend on the rpm it was driven at. There will be extra oil in the engine and a lower level in the tank. Time is needed for the oil to return to the sumps, mostly by gravity. Then back into the tank. It is likely that it will take less then 10 minutes to reach an equilibrium and BRPs recommendation to idle for 10 minutes, after the ride, is likely overkill. But really why second guess them.