i need HELP/ADVICE, my chrysler 105 hp 1057hf . water wont flow all the way through with the gear box removed i have connected a hose to the water tube, it comes out up next to where the gear rod goes in. (not the outlet at rear 1/2 up motor) put hose in outlet and water exits same place where gear rod goes in, NOT where impeller/water pump would conect. coukd there be a hose off (where inside ? if so how do i get to it?) or is there a thermostate thats jaming in this bloody motor? if so where? with motor in water gearbox fills with water and does NOT come out upper outlet,,,,the motor has backfired a few times when starting,, Also, is there a trick to lining up the gearbox (3 holes, tilt, gear shaft and water hose) ANY advice would be greatly appreciated,