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  1. R

    Need to know the year of Yamaha 40

    It is a 40hp. The SN is 6H41400921. Tag also has 40HEO. Please help with year this motor was manufactured. <br /><br />Thanks,<br /><br />Roger
  2. R

    Spark plugs for merc 3.0LX

    1995 Mercruiser 3.0lx with an open cooling system. <br /><br />I recently replaced the factory plugs with a cross-referenced Bosch platinum plug. Does anyone know if there is any danger of using this type plug? I was told older merc ran at very high temps and required special plugs. The plugs I...
  3. R

    merc 3.0 XL will not start

    I recently bought a sea ray 1995 175 bowrider with mecr 3.0 open cooling system and alpha 1out drive. The boat had not ran since may 2001. Oil was black but no signs of water. Boat was very very clean, so i paid the 7000. I just started going through the engine today. The compression in all...
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    No water from exhaust vents ?? Please Help!

    Hello, I hope you can give me an answer on my latest problem. Motor: 1975 Johnson 50 HP that was setting for 2years in Phoenix. Was able to start motor and see water flowing from upper exhaust vents as well as pee hole. Decided to replace water pump due to long storage. Marina parts mechanic...
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    johnson '75 50hp won't idle

    Outboard has not been started in two years. I do not know any other history. Good compression of 136. Installed new water pump, new coils, new plugs. Engine started right up with choke and warm-up idle set. Ran smooth for 45 min with warm-up throdle, but would not run at lower idle. Plan on...
  6. R

    Johnson'75 - 50hp won't run at idle

    Outboard has not been started in two years. I do not know any other history. Good compression of 155. Installed new water pump, new coils, new plugs. Engine started right up with choke and warm-up idle set. Ran smooth for 45 min with warm-up throdle, but would not run at lower idle. Plan on...
  7. R

    What year is my johnson motor?

    What year is my johnson motor?<br />Johnson Sea horse 50hp<br />Model # 50ESL75B<br />SN # E4265763<br /><br />Thanks!
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