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Joe or anyone Overheat in Javelin 1978 Help

briansal1

Member
" Joe, My Javelin 1978 85 hp s

" Joe, My Javelin 1978 85 hp sat for 2 and half years, when i started it the thermostat was stuck and it did get a little hot,
After several attempts the thermostat did open and it pumped water out the exhaust relief holes on the back of the leg.
I decidied to do the right thing and changed the water pump impeller being careful to set the bend of the blades to the one that came out. Ever since i did this I get no water out the exhaust reliefs and it overheats occasionally , would appreciate anything you caould tell me, does the thermostat have to open against the water pressure?? What does the poppet valve do?
Regards Brian "
 
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