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Posting a reply to: RE: Need help: '97 Johnson 90 HP Outboard

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hi


You are replying to:
kjgmh
Posted 3/14/2006 11:42 AM (#182279 - in reply to #181860)
Subject: RE: Need help: '97 Johnson 90 HP Outboard





Posts: 1096


Location: Hayward, WI
First they have to verify is motor is actually overheating or if you are getting a false signal. If motor is actually overheating and thermostats and water pump are good, I would check for a leaking water tube grommet on the powerhead. If false signal, then have to start digging. First thing to check is that motor has proper spark plugs and good spark plug wires. RFI from wrong plugs or bad spark plug wires will give false warnings. Then start at the temp switches and check the warning system from there.


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