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  1. M

    1975 70 HP Johnson ....... How do I know the pump is pumping

    I have been working on my boat project and recently paid a mechanic $450 to go through my motor ............. he did all the tests and repairs needed including changing out the impeller so it would pump water. The trouble is that on a 1975 70 HP Johnson, when it's on the muffs with the hose on...
  2. M

    Question about battery Drain

    I have an 18 ft boat that I have been restoring ......... it was such a wreck I should say rebuilding! Anyway, the older I get the bigger coward I become when it comes to being on the water without redundancy in everything, so I've installed a 1975 70 HP Johnson and a 1997 15 HP Evinrude for a...
  3. M

    How do you disconnect OMC style 400cables at the box?

    I have a 1975 70 HP Johnson that is connected to a Johnson Ship-master control. I also have a 1997 Evinrude 15 HP kicker motor with a tiller. I already have another set of controls just like the Johnson Ship-master except it is an Evinrude Simplex (same control, different label), and I already...
  4. M

    Anyone converted a tiller to remote controls?

    I am in the process of restoring an older boat I bought (18 ft closed bow ). It came with a 1975 Johnson 70 HP which the person I bought it from said was a good engine when his father owned it, but it hadn't been run in at least three years. I paid a mechanic to go through it and get it all up...
  5. M

    Tachometer Pulse's

    So I already posted below but I'm not getting any responses so I'll pose this question another way, maybe someone else will see it. I am not too savvy when it comes to electronics but I can usually muddle my way through anything if I get a little advice, so then here's my question another way...
  6. M

    Snowmobile Tach for my 1975 Johnson 70 hp

    I recently bought an old boat and motor (1975 Johnson 70 hp) and am in the process of restoring it to usable and presentable condition, not a show piece mind you but something I don't have to launch in the dark for fear somebody might see me in it. OK, apart from the humor, here is my question...
  7. M

    Broke an Exhaust Manifold Cover Bolt ...... HELP

    I was farting around all day with this mighty 1975 Johnson 70 hp motor I recently acquired, trying to figure out why it wont start. Actually turning the key does nothing at all so when I say won't start I mean turning the key does nothing at all. So I found on the internet a step by step test...
  8. M

    Ignition switch replacement

    First off let me say that I am a real dummy when it comes to electrical stuff, but I can do anything if explained to me in some detail. So here's my question. I recently bought an older boat with a 1975 Johnson 70 hp motor. In 1975 they had a separate choke toggle. Can you replace the older...
  9. M

    Boat stuttering/stalling

    Hopefully someone can help. I have an older 1976 Sea Ray with a 302. Bought this last year and have had it out about 7 or 8 times. It has a lot of power and more speed than I need ..... upwards of 42 mph. That is when all is well though. All the times we took it out without a problem was...
  10. M

    Can anyone help me with my Prop question

    I really don't know a lot about props ..... I've read all I can read and searched and yet cannot find the answer ..... maybe someone out there can help me out ... thanks in advance if you do. Here's the skinny. I have a 20' deep V Sea Ray cuddy .... late seventy's and built like a tank. I...
  11. M

    Older Mercruiser Control

    Maybe somebody can help me out with my control problem. I have an older SeaRay with the original Mercruiser shift/throttle control. It is the kind that is chrome with a round base and throttle only button in the center of the handle mounting. My issue is that I do not manage the throttle very...
  12. M

    Kicker Bracket Travel/Height

    In a not too distant post I asked if a kicker motor was a good idea. OK, I was convinced and bought a used 15 HP 1997 Evinrude longshaft (22"). Now I need a bracket and am not sure what to do. I have a 1976 Sea Ray Cuddy with a 302 Ford and Mercruiser outdrive. I want to use this motor as...
  13. M

    What's the right prop?

    Recently I posted a question about the merits of a kicker and got great advice. Now I have gone and purchased a used kicker and could use a bit of advice as to the right prop to use. I bought a 97 Evinrude longshaft 15 HP 2 stroke. The prop is a little bent and so rather than getting it fixed...
  14. M

    Kicker Motor .... Good Idea?

    Let me start by saying that I am brand new to boating. I bought a 32 year old 20' Sea Ray cuddy last year and only had it in water once (and that was when I took it out to change trailers), that was my first boating lesson ..... look at the condition of the trailer..... I live in Oregon so...
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