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    Mid 70s Mercury thunderboat overheating

    I have a mid 70s Mercury thunderbolt that is over heating. I just put a new water pump in it, and she has a steady stream of water coming out. When the pump was changed, the oil was topped off. Any ideas on what would make it overheat? Other problem is that when i push the throttle down, i...
  2. M

    How to remove throttle cable

    Ok, I have a mid 70s Merc. Thunderbolt. I am trying to remove it to put it on another hull with no success. I have been surfing threads about this, and everyone makes it seem very easy. Step one trace it is the where it conects, and disconnect it. I have traced both the throttle and...
  3. M

    removing lower unit 1983 50HP mercury

    Ok guys, I am trying to swap lower units, and I have removed all bolts minus the two in the front, im trying to wiggle it down to have room to remove the front two. I am having problems lowering the foot enough to remove the bolts. Im not sure if its the drive shaft seized, or that i cant...
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    Water pump for 73 Mercury Thunderbolt

    Ok guys, I am swapping lower units, and have been told I should change the water pump when im doing this. Where is the cheapest place to buy this? If someone could post a link to where i could buy one with quick shipping it would be helpful, because i havent even started this yet. I have...
  5. M

    50 HP Merc lower unit swap

    Ok guys. I have an early 70s model 50 HP merc thunderbolt and was going across the river and all of the sudden my prop stopped spinning and the engine reved up. My mechanic guy says my lower has gone bad, and it isnt worth fixing. I have found a 80s model 50 HP thunderbolt with a good lower...
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