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97 Evinrude 25hp Driving me crazy...
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<blockquote data-quote="Pappy" data-source="post: 372740" data-attributes="member: 3278"><p>It is not a head blockage or a thermostat. Neither has anything to do with the overboard indicator. </p><p>The fitting is on the exhaust manifold. The exhaust manifold does not depend on the cylinder head for its source of water. If the manifold is getting water to it then it will flow through the indicator and out. </p><p>Thermostat cannot block flow to the indicator and it does not have to be open to see water flow on Ev/Jo. engines. </p><p></p><p>Put the engine in the water deep enough so that the lower mount clamshells (on the sides of the exhaust housing above the lower unit) are totally submerged and see if it will pump. Lets start there !</p></blockquote><p></p>
[QUOTE="Pappy, post: 372740, member: 3278"] It is not a head blockage or a thermostat. Neither has anything to do with the overboard indicator. The fitting is on the exhaust manifold. The exhaust manifold does not depend on the cylinder head for its source of water. If the manifold is getting water to it then it will flow through the indicator and out. Thermostat cannot block flow to the indicator and it does not have to be open to see water flow on Ev/Jo. engines. Put the engine in the water deep enough so that the lower mount clamshells (on the sides of the exhaust housing above the lower unit) are totally submerged and see if it will pump. Lets start there ! [/QUOTE]
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97 Evinrude 25hp Driving me crazy...
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