Definition of quantal. 1  1 [Latin quanti how many, plural of quantus] : of, relating to, or having only two experimental alternatives (such as dead or alive, all or none) 2  2 [quantum] : of or relating to a quantum.
3. Engine movement. Another symptom of bad or failing engine mounts is an engine that moves in the engine bay. If the engine mounts are in good condition, they should be able to secure the engine firmly in the engine bay.
If you don't run an engine frequently the gas can go bad. The gas inside the carburetor can thicken and cause the small parts to get stuck and not move. A good way to tell if your fuel system is running good is to give the ATV a ride-test during your after-storage maintenance routine.f you don't run an engine frequently the gas can go bad. The gas inside the carburetor can thicken and cause the small parts to get stuck and not move. A good way to tell if your fuel system is running good is to give the ATV a ride-test during your after-storage maintenance routine.