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  1. R

    How much oil?

    Getting ready to change my oil. Just got the boat. 1976 mercruiser 120. How many quarts does it take? Any reccomended oil?
  2. R

    Boat Archives

    Is there a place to find brochures, catalogs or pictures of your boat. I have a 1977 and think it would be cool.
  3. R

    Identifying year of lower unit

    I have a mismatched lower unit / motor that causes reverse and forward to be switched, so i need powerhead linkage from the year of the lower unit to rectify the problem. Is there a part number or year anywhere?
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    prop question... interesting... look

    I am the one who has the boat that forward is reverse and reverse is forward. I had it checked out and they said it was something with the lower unit. More than likely the previous owner put a "post 1978" lower on my 1975 johnson seahorse 70hp motor. So....couldnt I theoretically put on a...
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    Prop Question... interesting

    I am having the problem that forward is reverse and reverse is forward. I had it looked at and it is the lower unit. More than likely someone put on a 1978 and newer lower unit on my 1975 johnson 70hp seahorse. So heres my question. Cant i just put on a counter rotating prop and it will go back...
  6. R

    Need Help.. lower unit

    I am the one who is having the problem that reverse makes my boat go into forwards and forward makes it go into reverse. I had a mechanic come look at it and he took apart the throttle box and said everything was fine. He said it is somethng in my lower unit, and said he'd never seen this...
  7. R

    Getting right outdrive - HELP!

    OK, so I think I've narrowed down the problem where my throttle is reversed (reverse is forward, forward is reverse) ... wrong lower unit. So how do I find the right one. There are a couple on ebay but i AM SCARED TO DEATH to order one and have the same problem. How do I know which one to get...
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    Any of you Mechanics near Toledo?

    Just wondering if there are any mechanics in toledo, oh, that can fix my problem with my 1975 70hp johnson, in that the reverse is forward and forward is reverse? I will pay well
  9. R

    70hp johnson stalls only at idle

    Like the title says. If I leave the warm up lever on it will keep running. If it stalls at idle, i need to put the full choke on to start it back up. It will run with warm up lever down only if i have it in gear and giving gas. 1975? Johnson 70hp 3 cylinder. BTW Compression test was EXACTLY 130...
  10. R

    reverse is forward, forward is reverse?

    I bought a boat from a guy, and it has a 1978? johnson seahorse 70hp engine. The motor started up and ran fine. He even showed me that is has exactly 130psi in all 3 cylinders. Well I get it out on the water to find out that reverse makes the boat go forward, and forward makes it go into...
  11. R

    need help :(

    I bought a boat from a guy, and it has a 1978? johnson seahorse 70hp engine. The motor started up and ran fine. He even showed me that is has exactly 130psi in all 3 cylinders. Well I get it out on the water to find out that reverse makes the boat go forward, and forward makes it go into...
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