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  1. M

    How to pressure test a 4.3 l mercruiser

    I think I noted everything correctly
  2. M

    Camshaft specs. needed, modification feasible?

    Do you have original exhaust or through transom is your exhaust through the transom.. this is important when changing the cam ,,,
  3. M

    MerCruiser 3.0 wiring

    What diagrams are you needing? Also this is in the mercury forum. This question would be better suited for the mercruiser forum which is located here https://forums.iboats.com/forum/mercury-mercruiser-sterndrives-engines.34/
  4. M

    Mercruiser Spark plug broken

    Ok I'll bite 7mm and 1/4 , 8mm and 5/16, 11mm and 7/16 14mm and 9/16
  5. M

    1999 40 hp 2-stroke oil leak

    It's got a vent screen and plug in the top of the tank which I replaced when I first got the boat a month ago because they where missing.. but even so the boat set for a few yearsand when I got it there was no oil in the tank and the bottom of the cowl was a mess...with oil
  6. M

    1999 40 hp 2-stroke oil leak

    Ok so I talk to a guy that knows someone that has a go-cart with a similar issue except her issue air coming from the tire.. any way it turns out that the pump was leaking oil into the block...
  7. M

    1999 40 hp 2-stroke oil leak

    I have a 99 40hp serial number 0G795146 that's new to me when I bought the boat I noticed oil on the transom bracket and inside the cowl. So I cleaned it all up removed the reservoir and checked for a leak.. I didn't find anything so I put it back on and marked the level of the oil it set for...
  8. M

    Looking for service manual #13

    Sent you a pm
  9. M

    225 mercury saltwater temperature rising after shut off

    Then it may br the temperature sensor?
  10. M

    Engine Mount Installation Tool

    Lol 😆 sorry mu goof 🤪 yes almost half inch.. I swear I had it right in my head ....
  11. M

    Engine Mount Installation Tool

    Ok do I reached out to the manufacturer of the tool they saidvthey don't sell the shims independently of the tool but they did tell me that the shims are .450. So almost an inch..
  12. M

    1999 75hp Fuel Prime Issue

    It definitely sounds like the fuel pump .. have you checked the fuel pressure?
  13. M

    Engine Mount Installation Tool

    Yeah I wish I had access to the stringers on both sides but it's a finished deck and no way to access the back side of stringers unless I cut access holes in the deck and dig out some foam..
  14. M

    Engine Mount Installation Tool

    This will not be the alignment stage. I am replacing a 3.0 with a v6 so this will be for getting the engine beds right. It's alot easier for 1 person to manage a 20 pound tool then it is to move an engine host around with an engine on it in the dirt if you know what I mean ...
  15. M

    Engine Mount Installation Tool

    Yup I seen page 4 where it talks about using the spacers.. but it doesn't list the spacers anywhere that has the tool available to sell so I was thinking the tool in the installation sheet may be a newer tool and and the was hoping the spacers where not required for the tool I have .
  16. M

    Engine Mount Installation Tool

    So I bought an engine mount installation tool.. I got it used after receiving the tool and looking up at the instructions for the tool it seems that I need spacers that come with the tool but when looking the tool up there is no mention of the spacers at all does anyone have any experience with...
  17. M

    Gear lube reservoir

    Because if you do it this way it will trap air in the lower and eat up the bearings and gears in the lower before the air makes its way to the top.. Always fill from the lower .
  18. M

    is the CDI for 2001 90 hp elpt 4 mercury same one in 2002 f80 yamaha?

    I would venture to say it's the same cdi / pcm hardware but unless it can be programed to your engine and you have the ability to do it then I would say your out of luck on that
  19. M

    is the CDI for 2001 90 hp elpt 4 mercury same one in 2002 f80 yamaha?

    I don't see how those 2 parts are interchangeable...
  20. M

    1991 mercury 115hp 2 stroke gauges?

    I agree with Chris on the selection of gauges...
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