Search results

  1. D

    Water in engine...looking for help

    We had a beautifully running early 90s merc 5.0 that we just replaced all the pistons, gaskets and carb. It ran really well for the first 7 hours of breaking in and then a spark plug popped out of its socket. We stopped the engine and installed new spark plugs. Ran the boat for 30 minutes and...
  2. D

    Merc 260 fit in Winns 190 Horizon bay?

    I have 2 options of fixing up our blown 4.3 omc in our Horizon 190. I have an old family boat that hasn't ran for 10 years but is clean and looks good. Has a 5.0 in it, but will require us to pickup over 600 miles away. Also costs us 1500 for the boat. There's a local boat that has a 260 in...
  3. D

    89 Horizon 180 with stock 4.3 upgrade questions

    I have a potential 5.0 upgrade in sight. I found an older Merc mcm888 from the 70s for $200. Wondering what's in store to get it installed in my boat. The original motor has very new accessories, but the block and heads are cracked pretty good. Is it like swapping in the Penta 5.0, or will...
  4. D

    89 180 Horizon w/ 4.3 OMC

    I just bought our first boat to restore. Found this boat with a cracked block but everything about the boat and motor is quite immaculate. I'm very new to engine repair as it is, but I have family and my son who do well enough alone. A mechanic ran through it 2 years ago and overhauled from...
Top