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1996 Johnson 40 HP. Cooling design.

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big_jack

Contributing Member
Guys,Can you tell me exactly, the path the water takes coming from the water pump? Does the water travel around the cylinders and exhaust outlet full time,,then out the pee tube? Does the water have to wait for the thermostat to open before going to the head? Thanks alot.:)
 
Re: 96 Johnson 40 HP. Cooling design.

it fills the block,and head,..as temp rises,thermo opens,...pee stream,..on john/rudes is not dependant on thermo opening,..some mercs,..are,,,
 
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