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  1. M

    Oil in the gimble bellow

    Good day folks. I have a 1979 470 Merc with a pre-alpha drive. Earlier this summer I found oil in the U-joint bellows mixed with a small amount of water. i presumed it was coming from the upper drive seal. When I went to reseal the drive i broke the bolts to the upper water pocket cover and...
  2. M

    heat exchangers

    Does anyone make aftermarket heat exchangers and if so where the best place to buy them. I would like to find a 4" for my 470 merc. Thanks
  3. M

    Running to hot??

    I have a 470 Merc that I beleive is running to hot. The heat guage says it's not getting any hotter than 180 but you can't touch the motor anywhere including the side of the block, valve cover, intake manifold ect. Even parts like the oil filter,carb and alternator feel too hot. Also when I shut...
  4. M

    Gimbal Hinge Pin

    I'm looking for ideas on how to get the gimbal hinge pin out of my merc outdrive. It is one of the twevle point ones and it's being stubborn. Mercstuff.com said to use a half inch allan key but that just stripped with the impact gun. is this a "torx" bit or a special merc socket? I have torx...
  5. M

    outdrive survey

    How many of you guys rebuild your own outdrives? and how many send it out to get done?
  6. M

    overheat?

    I took my boat out for a test drive(18' sangster with a 470 mercruiser) it seemed like it was running way to hot even though the temp guage said 145 i couln't touch the exhaust or intake manifold. even the valve covers, oil filter and side of the block were all too hot to be able to touch. I...
  7. M

    470 Starter

    I have a Merc 470 and water found a way in to the starter motor over the winter. I think it dripped in from the hinges of the doghouse. I went online to Mercruiser but the one they show for the motor(going by the serial number) is different than the one installed in the boat. The one they show...
  8. M

    470 coolant leak

    I just bought a 79 sangster with a 470 merc and I noticed its leaking coolant into the seawater system. I can see it coming out of the leg when I presure test the cooling system. I removed the heat exchanger and tested it and it's O.K. I'm just wondering where else they could be crossing? I...
  9. M

    honda 100

    I just bought a used honda 100(10 hp)it's blue and white.I think it is a mid 80's model. Now here's my problem, It starts fine and runs for about 3 minutes then stalls and won't restart. If I leave it for a couple of hours it starts fine again and dies after a couple of minutes again. At first I...
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