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    Motor identification-serial number not making sense to me

    I am looking to buy a jon boat with 25 HP Mercury outboard, rope pull start. I live in Missouri and I have to title the motor and the owner is from another state where they didn't have to title motors. I have contacted our license bureau and I have those details worked out. My problem is the...
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    Engine doesn't always shut off

    I have an 65 HP Mercury outboard (1976). Sometimes the motor will not shut off when I turn the switch, but sometimes it does. From reading other posts I am pretty sure I will need to check the ignition and look for a loose ground or possibly replace the ignition. Here is my question:<br /><br...
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    battery question

    I posted earlier that my engine had been running good, now it won't start. I took my battery to Wal-Mart auto and they tested it. It said "Bad cell, Replace". However when I put my battery on a charger, it shows it is fully charged. <br /><br />1) Is it possible that the battery will show...
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    65 HP Merc-ran well, now won't start

    It has ran well the last 7 or 8 outings. It ran about 20 miles on Friday and then 50 miles on Saturday. Sunday morning when I tried to start it would crank but wouldn't start. I checked the fuel line--ok. I noticed that my depth finder shut off. I turned on the depth finder and it still...
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    Merc won't shut off--sometimes!!!!

    I checked other posts, and my engine is acting a little different. Sometimes it shuts off immediately, which leads me to believe that the kill switch wires are all intact. Other times it will run for 5 to 10 seconds before I can finally choke it out. Any suggestions?
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    1976 Mercury 650- 65 HP won't shut off, dies in full throttle.

    The engine also says it has Thunderbolt Ignition.<br />I bought the boat about two weeks ago and I have had it out 4 times before this weekend and it seemed to run fine. However yesterday I had the following problems. Any advice would be appreciated.<br /><br />1) Slid the boat off, idled to...
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