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  1. Scott06

    Seized Lower Shift Cable Nut

    Take it off ( bellhousing) if you can do the work great otherwise Take it to a machine shop. Use an end mill to cut it flush, drill out and retap it.
  2. Scott06

    Help me identify what engine I have in my new boat

    i just punted on serial number/year but it does show a wedge used with the weber carb. https://www.marineengine.com/parts/mercruiser-sterndrive-parts/350-mag-ski-gm-350-v8-19911996/0d505450-thru-0k040399/carburetor-and-throttle-linkage if you have your serial number you can enter it here and...
  3. Scott06

    Trouble re-mounting lower unit

    wonder of the water tube is misaligned - the one that comes up from water pump to underside of upper. also think that with 1/2" the splines are lined up. With it in gear you can confirm this by turning the input or prop shaft they will turn together if splines are in place.
  4. Scott06

    Trim Hydraulics

    I would take the lines of the cylinders see if they bind up when compressing they should move freely by hand otherwise may have to take apart clean and or rebuild. Is there corrosion on outside of shafts that is binding them up
  5. Scott06

    Looking for exhaust rubber connectors/couplers

    that will be based off your engine serial number. these sites can take your serial number and direct you to the correct parts breakdowns https://mercruiserparts.com/ https://www.marineengine.com/parts/mercruiser-stern-drive/index.php of course there are others including our host site here...
  6. Scott06

    One riser 60 degrees hotter

    Yeah I wouldnt worry too much unless it gets to hot to leave your hand for a few seconds.
  7. Scott06

    Mercruiser 120 poor starting

    May be other issues but if you dribble gas down car and I won’t fire then you are missing spark. This assumes the engine has decent compression a cheap spark gap tester can be helpful to test strength of spark
  8. Scott06

    No water coming out of the exhaust on muffs

    More or less . Look at plugs see what they look like , will tell you a bit on what’s going on. fuel filter is number one default check for run ability issues ,timing just check doesn’t need to be to gnats azz just more or less in spec. dist cap you would be surprised how much green corrosion is...
  9. Scott06

    Stupid me, no oil

    Boat was under water , if you look around drain plug there is little to no glass on bottom of wood may have soaked it then. if it doesn’t go far not sure I would worry
  10. Scott06

    No water coming out of the exhaust on muffs

    A couple of things maybe to look at before diving into carb Empty the fuel filter into a jar and look for debris and water contamination Is your timing at spec What do the spark plugs look like ? Cap and rotor in good shape ? Wires? Is choke opening fully and have you tried adjusting idle...
  11. Scott06

    Help me identify what engine I have in my new boat

    Oh yeah it would seem he is full of chit. Unless it was a 2bbl carb then going to 4 bbl yes would expect more power. See what he gives you and go from there. if it is a q jet that is unmolested core then you have something. for sure a new one will be bolt on and go, really probably depends on...
  12. Scott06

    Help me identify what engine I have in my new boat

    More than likely there was something wrong with the old carb. Sounds like if it wont idle idle passages are clogged or set too lean. at 1000 rpms you are into the transition circuit which supplies gas between when throttle gets past the idle ciruit and the boosters haven't taken over yet (around...
  13. Scott06

    No water coming out of the exhaust on muffs

    water outlet tube either on end of plastic pump housing or up in underside of upper where water tube lands. might be better to start your own thread vs clogging this one
  14. Scott06

    3.0 mercruiser dieseling

    Around 2003 they went to 160 for emissions reasons. My carbed engine if that vintage has 160
  15. Scott06

    3.0 mercruiser dieseling

    Agreed 650 or so, tach may be off. If it stalls in gear could be timing or idle mix issue. If your engine runs a 160 thermostat this is ok, if it’s a 140 it’s getting a tad hot. What year is engine.
  16. Scott06

    No water coming out of the exhaust on muffs

    Fire sure they are in the system. If you have ps they will be in the cooler, otherwise end up in thermostat housing. Best to use oem impellers in my experince. If exhaust got hot water tube maybe have melted rubber ends and fallen off or was misplaced when reassembled. If water wasn’t flowing up...
  17. Scott06

    Help me identify what engine I have in my new boat

    Does summit racing ship to the great white north? Would be hard to Imagine them or jets would not ship north
  18. Scott06

    Help me identify what engine I have in my new boat

    No idea if they ship north of the border or if your core will save you the $150 core charge.. https://flyingfishcarburetors.com/Y43-291-57L-Mercruiser-Inboard.htm the webber used on mercs is identical to the edlebrock.
  19. Scott06

    riser bolts too long

    Its not rocket surgery, if you are a decent shade tree mechanic with some tools, get the factory engine and drive manuals and ask questions here. X2 what bondo said internal motor parts are stock GM stuff. the accessories that go on the long block are marine specific items. These engines are...
  20. Scott06

    4.3 milk maker

    Yes the valley under intake. Attached are pics from the 4.3 that was in my boat when i bought it. PO had not winterized used it a bit and then had same milkshake coming out valve covers. I bought it as a handyman's special You can see cracks just below the heads. You can confirm this by...
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