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  1. Scott06

    a carburetor shouldn't spill fuel like this, right?

    Seen them both ways. i would suspect taking the top off carb and looking through the needles and seats and floats will find your issue, but on the offhand you have to much fuel pressure it can also over come he float . Did u have yhe same issue with old carb?
  2. Scott06

    Water in Oil (Again) Head Scratcher

    If you have not had it on the water distance from water line to the top of risers cant be the cause. If you have the factory parts manual for your boat it will tell u in the engine section if a 4.3 comes with risers. My 200 sport said 5.0 w rsr … hold your money for now pressure test cooling...
  3. Scott06

    a carburetor shouldn't spill fuel like this, right?

    No you either have too much fuel Pressure or needle seat and or float is hung up
  4. Scott06

    Water in Oil (Again) Head Scratcher

    Two or three thoughts is the intake rotted out under the thermostat or leaking at intake to head joint. Could pressure test the cooling system to rule this out. Other thought is water coming up the exhaust did u verify the riser height is 15” above the water line? Is it possible u are getting...
  5. Scott06

    Will this fit?

    The new prop u are looking at had the older style pressed in rubber hub so I believe you will need the thrust washer that fits that style prop. Don’t know the part number but would imagine a prop shop or dealer would know
  6. Scott06

    Alpha Gen Two trim cylinders

    Have a slight leak in one of my cylinders, debating rebuilding vs new cylinders. a couple of questions not a fan of non oem parts but any one have first hand experience with SEI trim cylinders? I assume given cost diff vs merc they are not as durable? Oems lasted 19 years…. merc makes a seal...
  7. Scott06

    2000 mercruiser 4.3 alpha 1 gen 2

    Brass plug on risers is for an inlet if u run mercs warm manifold system (riser has separate constant cold water feed from thermostat) or if u run closed cooling
  8. Scott06

    Alpha One Gen 1 - Can't get 6" on shift cable adjustment

    We all learned that the hard way … at least you are well versed now in how to repair your boat. We boat on a northern fresh water lake and when things like my original bellows and shift cable last 18 years no sense saving a few bucks for chinesium
  9. Scott06

    Alpha One Gen 1 - Can't get 6" on shift cable adjustment

    Do your self a favor and get the oem part will Work great for years to come
  10. Scott06

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

    Could be but there is no way that bearing u posted pics of wasnt making noise. That was about to grenade. Might just be the camera angle but would check the gear teeth for wear before putting money into it the metal from the bearing went some where in the drive
  11. Scott06

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

    You can buy the bearing but as outlined above you will need the tools to shim it properly. Also need to disassemble and wash out the lower as metal shavings will move between them. The upper bearing was the clicking noise you heard in the running video you posted on your other thread. As...
  12. Scott06

    Chattering in out drive

    Disconnect the tach as faulty tach can short ignition out . Is it points in the distributor or est ? If points have they been cleaned and dwell set ?
  13. Scott06

    Chattering in out drive

    Start with basics- ignition components fuel supply ... assuming compression is ok
  14. Scott06

    Water in Bellows

    They tend to pop out there some folks have better luck with non oem gaskets. Based on what you show you wont have an issue , send it..
  15. Scott06

    1997 Mercruiser 5.7 EFI blown head gasket

    some people test the manifolds by filling with acetone for exactly that reason. It wicks into smaller cracks. Might be worth looking at the disassembled head or having it magged. I didn't want any issues when I repowered so I bought a new Barr Exhaust manifold and riser set. Not trying to spend...
  16. Scott06

    2001 Seadoo GTX DI Testing

    The noise you describe is probably the thrust bearing inside the pump. The rubber grommet just goes on the front of the impeller to keep dirt out of the splines. Only other thing it might be is driveshaft seal you should be able to pullback the rubber boot where it goes through the hull and look...
  17. Scott06

    Ford 302 spark plug read

    So float was off from the factory ?
  18. Scott06

    Mercrusier MC 1 outdrive

    Also one advantage you have is the MC1 drive can be bolt in replaced by the newer R/MR/Alpha One Gen one drives. So theoretically you could by a new OEM MERC or SEI aftermarket drive and bolt it in.
  19. Scott06

    No start question

    dwell is want you set the points to - it is the amount of time that the points are building up energy in the coil. If you changed the points and didn't set dwell I would start there. Yes if timing is off it may not run, set timing as well. this is a great video on how to tune up points...
  20. Scott06

    Mercruiser 4.3L Will Not Start

    Yes you are either missing spark or fuel or compression. Would check the strength of spark with an inexpensive spark gap tester. should jump 3/8 " or more. Have you dumped gas down carb to see if it fires? if it does that would indicate spark is ok and you are missing fuel. As a sanity...
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