hi, i have a 95 sea doo speedster and i purchased in the fall, know the motor is all rebuilt because of a cracked head gasket,, but since i have the motor out still, i want to changed a few things that need attention, like the pump oil , all soo looking to change the wear ring, and the propellar,, know i have change the oil all ready , but i. cant get off the jet pump at all, i took the hose off above that inside, but i need assistance on how to take off the jet pump any way to do this with out breaking the jet pump?...very frustrated.....