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  1. StinkinRenken85

    Shift issues continued

    Hi all, after replacing lower shift cable and lots of messing with the cables I can shift in and out of forward and reverse. I haven’t tried bringing it to the water yet to test if my interrupter switch is still engaging when it shouldn’t because I am trying to get just the right adjustment. I...
  2. StinkinRenken85

    Shift interrupter problem

    Hello, so my head gasket repair on my 85 merc 3.0 was successful, no more water in the engine, good compression etc. now I’m battling this shift interrupter problem. At first the engine would die going into gear if the cable adjustment wasn’t right and die every time shifting into neutral so I...
  3. StinkinRenken85

    Oil bubbling from spark plug hole after head gasket replacement

    Happy new year. 84 mercruiser 3.0 140 I had water leaked in with my oil and replaced my head gasket the gasket seemed bad.flushed the motor with diesel fuel a couple times and changed the oil. Have been running in the driveway and the oil has looked good and motor running better. Took it to the...
  4. StinkinRenken85

    Cracked shift bracket on manifold

    happy holidays! I cracked my shift plate today installing it on my manifold on my mercruiser 3.0. 1984 motor 140 181ci. Is there supposed to be a spacer that goes between the shift plate and the manifold? This is probably the 3rd time I have taken it off and for some reason I cracked it this...
  5. StinkinRenken85

    Blown head scrap motor?

    after my trials and tribulations on my 181ci mercruiser 3.0 140 I have found out it has a blown head gasket. I ran it right after thanksgiving flushed it on muffs and noticed oil mixed with water pulled the head today and found the gasket blown with major water intrusion and a little rust on 2...
  6. StinkinRenken85

    ATF in carb to test for blown head

    Hey y’all mecruiser 3.0 with carb just rebuilt because of flooding issue...noticed my oil looks grey...had some leak into the bilge think it’s from the rear seal.. actually way pretty far toward in the bilge though...I saw a video online where they poured atf in the carb to show a blown head...
  7. StinkinRenken85

    No mark on flywheel to set timing 85 3.0

    Have a 1985 merceuiser 3.0 181 cid and just tried to pay a mobile mechanic to set the timing right cause it’s running slightly rough and I can’t figure out how to get it 6 btdc there is no mark on the flywheel to line up with the jagged plate on the harmonic balancer I see where the 6 degree...
  8. StinkinRenken85

    Brass float mercarb 1389-8490

    I’m in the process of my 1st carb rebuild and I got a brass float off mikescarb.com and it is smaller than the nitophyl float I am planning on replacing the brass float part number is FL43...does it not matter as long as I have the right float level and drop? Engine is 3.0 140 181 cid
  9. StinkinRenken85

    Mercruiser 3.0 with 1389-8490 won’t start after engine pull

    So my motor was starting before I pulled the motor but after I pulled to work on my transom assembly I can’t get it to start...I have always had to tighten the idle speed screw to speed up the idle to get it to start I just figured my choke isn’t set right... last time I pulled the motor I had...
  10. StinkinRenken85

    Gasket shavings fell into manifold

    Hey y’all so I was scraping the old gasket off my exhaust manifold where the elbow connects and some of the gasket may have fallen in the manifold. Probably not a lot... do I have to remove the manifold and flush it with water or something. This the little rubber flakes aren’t going to get...
  11. StinkinRenken85

    Exhaust Flappers J-Pipe Mercruiser 3.0 Worn?

    Hello Iboats experts! I just got a used J pipe in the mail today for my 85 mercruiser 3.0 with Exhaust flappers installed. The flappers still have their rubber but don't snap shut the way I thought they would...I ran a hose into the pipe with the top of the pipe upside down to see if the...
  12. StinkinRenken85

    2 transom mounting studs removal?

    Hey iboats community so first off thank you for the help you didn’t know you have given me so far in my 1985 Renken bigger project than I thought it would be boat...I am new here but been reading and working on this thing for almost a year now....to my question...I should of used a copper hammer...
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