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1964 Johnson 40HP No Water

paulb

New member
I have a 64 Johnson 40HP. At

I have a 64 Johnson 40HP. At idle and slow speeds the water pump is pumping water. At high speed I can't see any water coming from the ejection port. I have checked both water pickup openings. They are both clear of obstructions. I have also checked the T-Stat. It appears to okay also. Any Ideas???
 
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