Well ,I guess that just about settles it. What ever floats your tub. ( literally ) Yes,,if you are up to the challenge that an unsuspended amphib will give you ,and you really enjoy it,, then the only thing left to do , is to get your amphibious wheels wet ,and really enjoy the sport. Yes,, Whippers Yellow spider springer really rips , no doubt about it I,m sure right now ,,that the wheels inside your head are turning , about how long it will take to get that hot 570 Yamaha motor, back inside that alluminum tub. Keep us all posted on the latest developements . Inquiring minds need to know !