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Thermostat Johnson 1988 9.9
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<blockquote data-quote="timberwolves" data-source="post: 397378" data-attributes="member: 15129"><p>Took the cover off to change the thermostat on my Johnson 1988 9.9 and the old thermostat was broken into pieces. The thermostat seat was also trashed. The old one did not come out easy. It was like it was melted to the head. This motor is new to me and wondering if the motor may have been overheated ? After picking the old seat out in little pieces I replaced the thermostat assembly , as well as water pump, lower unit oil, spark plugs etc. The engine runs smooth and pumps water good.</p></blockquote><p></p>
[QUOTE="timberwolves, post: 397378, member: 15129"] Took the cover off to change the thermostat on my Johnson 1988 9.9 and the old thermostat was broken into pieces. The thermostat seat was also trashed. The old one did not come out easy. It was like it was melted to the head. This motor is new to me and wondering if the motor may have been overheated ? After picking the old seat out in little pieces I replaced the thermostat assembly , as well as water pump, lower unit oil, spark plugs etc. The engine runs smooth and pumps water good. [/QUOTE]
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Thermostat Johnson 1988 9.9
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