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  1. jimmbo

    Oil leaking from prop assembly

    Milky oil coming out the Exhaust is often normal. However Milky Oil in the gearcase is not. Water getting into the Case, can force Oil-Water out, Did you get the either of the Marinas to do a pressure/vacuum test on the case? Have yo put some on a Gloved Finger and smelled it? If it is just...
  2. jimmbo

    Mercury 6 hp idle jet access

    Mercury made a 6 HP over a large number of years. A Serial #if it is an older Motor, and a Model #, if it is a newer one
  3. jimmbo

    Looking for a fuel pump or kit (1967, 60 HP)

    We had 2 motors that had that style of Pump. Didn't OMC switch to a Non-serviceable Pump in the late 60s?
  4. jimmbo

    Looking for a fuel pump or kit (1967, 60 HP)

    As was explained to me in Physics, almost 50 yrs ago. When there is a Reduced Pressure inside, say a Fuel Pump, Higher Pressure(in most cases, Atmospheric) in the Fuel Tank will push fuel to the Pump. Alternately, Higher Pressure on the Crankcase side of the Pump Diaphragm will then push fuel...
  5. jimmbo

    Looking for a fuel pump or kit (1967, 60 HP)

    I did say some would call it a Vacuum, and I did say alternating Pressure There is a Spring pushing the Diaphragm back when the Pressure reduces
  6. jimmbo

    Looking for a fuel pump or kit (1967, 60 HP)

    Alternating High and Low(some will call it a Vacuum) Pressure
  7. jimmbo

    2022 merc 115 wont trim up

    There goes any future Warranty Coverage
  8. jimmbo

    Ford 302 spark plug read

    Intake is Okay, but I can't respond Positively regarding the Carter Carb
  9. jimmbo

    2006 HPDI Prop Question

    If the tach is accurate, either prop is within the Engine's WOT Range. I can't see a 6 mph increase happening along with a 300-400 rpm drop from a 1" increase in pitch. The numbers provided, aren't adding up
  10. jimmbo

    Hydraulic lifters 7.4 1992 Mercruisers

    Replacing a Lifter on a Flat Tappet Cam, almost always results in the Cam being replaced, not too long after. Roller Cams have a much better Survival Rate
  11. jimmbo

    1979 85 HP Johnson V4 blows fuses

    That is an diagram for 1980, a 79 could be different in several Areas.
  12. jimmbo

    1979 85 HP Johnson V4 blows fuses

    Does it blow as soon as you insert it, or does it wait till you turn the key to on? That fuse is the Feed that goes up to the Control. I suspect a pinched wire, or a short to ground, perhaps even the Key Switch itself. Being 44 yrs old, it may have broke
  13. jimmbo

    Hydraulic lifters 7.4 1992 Mercruisers

    Get the Cam from a Dealer. Lifters can be bought from several sources
  14. jimmbo

    Hydraulic lifters 7.4 1992 Mercruisers

    Contact a Mercruiser Dealer for the Cam, they can get it. Once the New cam is in, it will need a Break In
  15. jimmbo

    Hydraulic lifters 7.4 1992 Mercruisers

    5mm? I would be pulling the Cam and replacing it, and all the lifters too
  16. jimmbo

    Ford 302 spark plug read

    Well both the Primary and Secondary sides should be delivering the same Mixture Ratio to each cylinder, whether equal sized Jets will do that is a tossup. Are the Primaries and Secondaries the same Diameter, same Venturi size, and have identical Discharge Nozzles? Your Carb also uses Metering...
  17. jimmbo

    Hydraulic lifters 7.4 1992 Mercruisers

    Welcome to iboats Failed? In what way? How did you attain 2 slightly different Part #s? Did you speak with a Mercruiser Dealer as to what Part is needed?
  18. jimmbo

    Boat Disposal

    Likely used a Forklift, Getting it into the Dump Truck will be a challenge
  19. jimmbo

    Boat Disposal

    15ft Crestliner 550 Crusaider
  20. jimmbo

    Stuck float ??

    Outboards used to require 16:1 and one British Model required 10:1. Great for keep Mosquitos at bay
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