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  1. K

    merc 402

    hello fellow boaters,i have a 1977 40 horse merc, i sold the boat yesterday but the guy phonend me up today saying that the motor won,t work becouse it has a hole and a small crack at the side of the block where you put the spark plug in. now mind you the hole is really small and the crack is...
  2. K

    water out of the sparkplug hole

    I hope somone can help.I have a 1977 40 horse merc that i,ve been trying to get in the water, after a few setbacks i finally had the time this weekend to give it the final test before i put it in the water. I hooked the hose to it, turned the water on and turned the key. it turned over good but...
  3. K

    1977 402 merc(40)

    Greetings: I just got back from vacation and figuerd it time to work on the boat i purchased three weeks ago,before i left i replaced the impellor and gaskets and gear oil,the day i got back from vacation i tried to put the bottom end (lower unit)back on the motor.after making sure i had every...
  4. K

    first time owner

    greetings. i,m a first time boat owner with a few questions . i recently purchased a boat, motor and trailor. a 15 foot fibre glass and a 1977 402 merc 40 horse power motor.after changing the water pump,i,m about ready to put it back together. the first question is.the shifting cam.how is it...
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