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  1. NicksterFL

    RPM drop and white haze at WOT

    So we were out trolling for king fish for about 5 hours. On the way in about 5 miles from the dock I opened up to WOT in the river. Hit 5900 rpms. After about 1 min or so the rpms dropped sputtered a bit then picked up again. i looked back and there was a haze of light white smoke that lingered...
  2. NicksterFL

    replaced drive and lost performance with existing prop

    Boat: 19' T-craft Runabout style Engine: Mercruiser 3.0 (140hp) Drive: Pre-Alpha (1.98 ratio) Prop: 13-3/4 x 21 Here's the story. last month my drive was toast (long story) but water intrusion resulted in the lower unit failing. It was a pre-alpha upper and an alpha 1 lower unit. I...
  3. NicksterFL

    Trim Solenoid

    Does anyone know the part number or where I can find a new trim solenoid for this trim unit? The number on the pump is : 45060A9 It's on an early 1971 mercruiser 140
  4. NicksterFL

    Early 70's Pre Alpha Trim Pump

    Which wires would I jump to raise the outdrive on this early pre-alpha trim pump? Right now the trim goes down, but solenoid just clicks when going up. I need to raise it to get the boat on a trailer. I only see one solenoid, so I'm assuming I have this setup. I do have the three button control...
  5. NicksterFL

    Overheating on vacation

    Hey guys, here's the deal. Mercruiser 3.0 Pre alpha drive We are on vacation at a rental with our boat in a canal. Been out almost everyday and has been running fine. Last 10 trips no issues. Yesterday I noticed the engine was running a little hot. Seemed to cool off as I slowed down. This AM we...
  6. NicksterFL

    Flushing mercruiser while in water

    Hi folks I have an I/O and we usually have the boat at a high and dry where it is flushed after each use. We are staying at a rental for a week where the boat is docked in the water 24 hrs. Should I be flushing the engine after each day? Or is it ok for this one week? We bring the boat back to...
  7. NicksterFL

    Carbon Fouling Plugs

    Hi Folks! Engine: Mercruiser 3L So It seems I keep carbon fouling my plugs when idling a few times on hose/muffs. Is this because the engine isn't under load and hasn't burned off the carbon? Another forum suggested i was running rich. I checked my idle screws (Rochester 2GC carb) and they...
  8. NicksterFL

    outdrive sound - video

    what does this sound like to you? kinda has a random "pebble in a blender" sound. With the engine off, and in neutral, i can spin the prop both ways without any ratcheting or clicking. Just started doing this recently. Doesn't appear to be doing it in gear, but i could be wrong. my ears...
  9. NicksterFL

    Removing upper Spanner Nut on drive

    Any tips on removing the upper spanner nut on the upper drive (by the u-joints) without the wrench?
  10. NicksterFL

    Upper Bearing, This normal?

    So i've been having a random clatter sound coming from my outdrive lately. Thinking it might be my ujoint bearings going out, I pulled the drive to inspect. The ujoints appear ok, no play,etc. However, I noticed the upper bearing seems a little wobbly (see video) and with further inspection it...
  11. NicksterFL

    PerTronix Coil - Losing spark

    Ok. I have a Mercruiser 3.0 that is having some issues after running on plane for awhile then backing down to idle. The engine will start missing and eventually die. I noticed if I opened the engine cover, it sometime won't die and recover then I can take off again. Just now i was out in the...
  12. NicksterFL

    Routing Fuel Line - Tank to Pump

    what's best route for fuel line from the tank to filter to pump? I have a Mercruiser 3.0 but the fuel line wasn't there when I got the boat. A) Across the rear of the engine near the top of the transom B) Around the front of the engine along the stringers to the starbord side? See photo...
  13. NicksterFL

    Mercruiser Shift Interrupter Switch - Not moving?

    Hi Folks, Thanks in advance for your input/advice. Here's the deal. I have an older 1971 Mercruiser 3.0. My lower shift cable was bad (stalling when I shift) and was pretty stiff sliding in and out. So I replaced it with a new lower shift cable. Smooth as silk now. Reassebled everything and...
  14. NicksterFL

    Lower Unit Identifcation

    Having a hard time locating a water pump kit for my outdrive. I cannot find a SN on the drive anywhere. My engine SN is: 2902609 From other photos, this looks to be an alpha lower unit but with a pre alpha drive shaft (with the preload pin)...
  15. NicksterFL

    Mercruiser 3.0L Overheating on Plane

    Hi Folks First post here, but have read through many posts on this form for months! Hi, I have a 1971 Mercruiser 3.0 that was overheating on plane. I have only owned the boat for 3 months so I know no prior history other than it sat for a year. When I got the boat, the first thing I did was...
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