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  1. Scott06

    Bellows replacement

    Get the quicksilver/ mercury oem parts. My 2004 bellows lasted 18 years and still weren’t leaking … also if yiu don’t have it get a factory service manual (#14) wells worth the money and goes through replacement would also get the shift shaft seals and bushings ( swiveling shift shaft in...
  2. Scott06

    165hp I6 removal

    Yes whiskey also works, mostly for cold weather work.… i think once you get into it you will be pleasantly surprised how , how much easier than doing it in a car
  3. Scott06

    165hp I6 removal

    If you have done that you will have no problem. Being fords im sure you have replaced engines hundreds of times… seriously it’s much easier in a boat if you have the lifting equipment beam in a high bay, tree limb, gantry. You do need the get the engine up much higher than a typical engine...
  4. Scott06

    Please somebody indentify my boat

    Of subject but just wondering what paint system you used on this . Looks really nice
  5. Scott06

    Pinion gear timing to driven gears in B3 upper housing

    I think Dubs has steered you straight but do yourself a huge favor and get a factory Merc manual. The level of detail is incredible vs the Selco or Clymer stuff. Not sure what number manual you will need but I think I pd like $35-50 each on Ebay for used ones for my 5.0 and Alpha Gen 2 manuals...
  6. Scott06

    Where can this water be coming from?

    If it freezes due to improper winterization it can push it out. The plug can also rot out due to age, don't think a 165 has been made since about 1981 or 1982… as mentioned would look if it is coming off the head gasket or I had a cracked head on a merc 150 which is the little brother of the...
  7. Scott06

    Engine choice

    I think a lot of the water pump complaints on alphas is due to the use of junk aftermarket parts. I maintained a 1990 3.0/gen 1 in a 17 ft sea ray for 20 years. My folks bought it well cared for when it was 5 years old and i sold it when it was 25 years old After beating the **** out of it...
  8. Scott06

    Where can this water be coming from?

    X2 on core or freeze plug in back of block. Engine has to, if not come out,be lifted and pulled forward so flywheel can be removed to acess plugs. make sure you use a brass or stainless plug, do not use steel as they will corrode in marine applications. if a core plug is pressed out likely...
  9. Scott06

    Engine choice

    if yiu were going to keep the boat on a 24 ft I would get a bravo.if you are trying to piece it together to sell yes an alpha gen one or two. They stopped making the gen one in 1990 so that is likely why you find them cheaper. The gen 2 has a better water pump And is a more robust drive. not...
  10. Scott06

    Fuel injected parts no longer available

    Injectors can be cleaned or replaced normally things like the ecm are NLA . In that case yes the options are swap to carb or get used parts. Normally little in the automotive world can be used on boats do to electrical spark and fuel safety requirements. specifically what engine is in it ...
  11. Scott06

    Co-owning a boat?

    I had a friend who did that with two coworkers. They bought a year old rental pontoon from a marina, so it was new and had warranty. None of them were mechanically inclined so they split all marina, winterization, maintenance, gas fees three ways. One of them set up a calendar like you mention...
  12. Scott06

    Oil Analysis for high-hour 4.5L 250 HP

    No they are Merc produced engines not GM based. the 4.5 bears no resemblance other than number of cylinders to the 4.3.. It is confusing on the 6.2, Merc did use a GM bases 6.2 up until like 2015 ( stroked 5.7) the new Merc 6.2 other than displacement has no commonality with GM made engines. I...
  13. Scott06

    Need Prop guy for Inboard - LI NY

    If you get stuck I have used Prop MD in MN via mail order. Was the same cost w shipping that the local ish guy was and saved me 2 hrs of driving ... I hate doing things that way (not supporting local businesses) but was convenient and they did a nice job
  14. Scott06

    3.0L Raw Water Intake & Drain Port Questions

    Oh I thought they were part of the kit , then by all means remove them
  15. Scott06

    Oil Analysis for high-hour 4.5L 250 HP

    exactly the conclusion I came to. I normally am a OEM user but M1 seems to be a better oil.
  16. Scott06

    3.0L Raw Water Intake & Drain Port Questions

    Would think the T will let air in the raw water hose so it drains back both ways ? Otherwise water would lay in there and freeze. Can only assume it is essentially a vacuum break. There is a name on the heat exchanger would think there tech dept can answer the question
  17. Scott06

    Oil Analysis for high-hour 4.5L 250 HP

    I never had an analysis but found with merc 25W-40 when used at higher rpms for extended time my oil pressure would drop from around 60 to low to mid 40 s . Not sure if it was shear or foaming or what. Also had similar with rotella 15/40. found Mobil one 15w50 did not do that
  18. Scott06

    Mercruiser Alpha One, Gen 2 prop shaft rear seal r&r

    There are two seals in there - the line cutter is a seal with a metal shield intended to keep finishing line out of seal. Speaking from experience it doesn’t work …number 57 &58 here...
  19. Scott06

    Another prop slipping thread

    Yes completely agree was thinking about this wondering if the prop to hub clearance or slip is greater. I would not not replace the coupler since you are there and the alpha drive either grabs or it doesn’t. You may need a prop with more bite if you go out with a boat load of people… try a...
  20. Scott06

    Not getting fuel

    You will only see it coming from accelerator pump nozzle when throttle is pumped. Fuel pump fills fuel bowl that is a reservoir of fuel to be sucked into the air going into engine while running Thru the jets and the Venturis. There is an accelerator pump that is a small pump inside carb that...
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