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  1. J

    50's 12hp sea king prop question

    14 foot Lowe lake Jon, when by myself I can get on plane by leaning forward a bit and it will scoot. Once I have 2 more guys in boat, one in middle and one in front, it moves forward quickly but is very slow at wot. My current prop is probably original 3 blade 9x10. Other number on it is...
  2. J

    Power pack help!!

    87 mercury 70hp. ok, My power pack went out a few weeks ago. So, I replaced it with a good used one from a guy in town for 50$. Motor fired right up. Had it out a few times and now I am at the same place with a blown power pack. Did i just get a used one that just went out because off age or is...
  3. J

    Sea king 12hp losing cylinder

    montgomery ward model #gg9016b Motor started running with low power when I was on the water. So, I pulled carb and cleaned it. Checked the points and all the wires on coils. Everything looked good there. coils were new 2 years ago.Took it back out. It was worse running rough give full throttle...
  4. J

    primer bulb not getting hard!

    '87 70hp mercury. For initial startup the primer bulb would not get hard. I go motor started but it acted like it was starving for fuel. So I replaced the bulb with a new one. Same thing. not even feeling like it is sucking any fuel through bulb. It is a new tank, vent is open. Arrow pointing...
  5. J

    12 hp Sea King Flywheel torque????

    I am not sure of the year but here is the model #. I just need to know what to torque the flywheel at? Thanks! Montgomery Ward Model No. GG90165 Serial No. 65X633915
  6. J

    12hp sea king trouble!Help

    I have a late 50's 12 hp sea king. It has the gas tank on top. For the last two years I have owned it, I put new plugs and cleaned carb. It runs awesome, for a few times out. Then it gets to where it will only run 1/2 throttle. I am mixing gas 25:1 tcw-3 oil. No e85 crap, just regular unleaded...
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