yeah its normal....just dont turn the engine over alot without fuel in it orelse u will wear the internals and screw it up....
i got it on my thunder tiger .21 and i think its still there....lol
FG leopard comp w/Trevor Simpson 28.5 bzm crank
HIP Baja 5sct
AE tc5 3.5t speed monster,Futaba 4pks
Raptor G4 ,Raptor e550,Gaui x5,Mini titan v2,Precision aerobatics bandit 4s monster,Carbon z scimitar Jr 11x