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    Mercruiser 470.......How to flush the cooling systems??

    There are 2 cooling systems correct? The coolant that I drained out of the reservoir is perfect, like the day it was put in. The water that cools the exhaust was a rusty brown colour. One of the coolant hoses, (the W/Pump discharge hose) had the metal coils in it but they were not in coil form...
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    Need more outta my johnson, doh

    Subject sound a little funny...oh well. Sunday I took out my 1974 johnson seahorse and it started 2nd pull after replacing the coils last summer and having it sit since then. My Q is It seems that it just won't give my the same amount of power as it did the last time it ran. It's like at full...
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    What battery do I need??

    I just purchased a new Minnkota 30lb thrust elec. motor for my 12' alum. I need a battery so I was wondering what size battery do I need and do they make them in a compact version, like smaller than the normal car battery size. Just to make sure the 30lb should do well enough for a 12' alum...
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    What's this motor worth??

    It's a Johnson 4 seahorse. mdl#4R73c. It runs great. Iam looking to sell it to get a 9.9 and want to know it's value in canadian $$ <br /><br />
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    Motor for 12ft aluminum

    I have a small Johnson 4hp for the boat. The max size rated is a 9.9. What in your guy's opinion would be the best size motor for this boat??<br />I can get a Mercury 7hp for $500...completly serviced. Would that be a good choice?? :confused:
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    Best way to check 4 leaks

    I have a 12ft aluminum boat(rivoted). I filled it up past the seats with water to check for leaks and did not notice any. Is this the best way to check for leaks?? The boat sat for a year before I bought it so I am not sure if that means anything.
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    Johnson 4hp Seahorse

    I am new to the world of 2 stroke and I just have a few questions.<br /><br />I was told these little motors spit water out the top somewhere near the impeller when they are running....but I've had it running in a barrel full of water and haven't seen water come out the top. <br /><br />Is 50:1...
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    Was this a good deal

    I bought the boat, motor, fuel tank, oars and two swivel seats for $300(can)<br /><br />Also picked up the trailer seperately for $200. I rewired the trailer and added new lights as well as a new tongue. All together I've invested $600 into it.<br /><br />The boat is a 12 Thornes.<br />The motor...
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    Want to know what year this motor is.

    This is my first post on iboats...what a terrific site guys. Can you tell me the year of this motor I just picked up??<br /><br />Johnson 4 Seahorse<br />Model #4R73C<br /><br />I'm guessing it's a 1973 model.
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