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  1. Scott06

    Mercruiser 4.3 knocking noise

    Only thought is coupler, flywheel or starter. Is starter not fully disengaging and hitting flywheel? might be worth pulling it and taking cover off bottom of flyhweel cover to see. Balancer hub up front? Did you swap balancer and flywheel from the old to new engine? May be a mismatch between non...
  2. Scott06

    Mercruiser 4.3 knocking noise

    Correct I think you may have to send it back to the rebuilder. I assume the noise is different than the knock on the original engine ?
  3. Scott06

    Mercruiser 4.3 knocking noise

    only other longshot is if exhaust flappers in top of wye pipe are making the nocking… whats the history on the replacement engine?
  4. Scott06

    Mercruiser 4.3 knocking noise

    No with drive off its an engine noise. Did you remove the drive belt off the engine to see if it is an issue with one of the front accessories?
  5. Scott06

    What is this?

    your right the upper part is on the bell housing not upper …so yeah what he said ….
  6. Scott06

    What is this?

    As stated it got forced in during reassembly of the two outdrive halves, may have to separate and see if they can line up. May be bent … i broke the shift lever in the lower its an expensive part , just jammed it on wasnt lined up…
  7. Scott06

    Water pump repair kit

    First buy a genuine merc or quicksliver kit general consensus is they last longer. I just replaced my Gen 2 impeller last fall was in perfect condition after 6 years...worth the $25 extra. The metal gasket goes under the steel bottom plate (between plate and lower housing), merc went to this a...
  8. Scott06

    Mercruiser 3.0 No Spark issues

    Agreed sounds like a healthy 3.0, which are not the quietest engines, a little clacky in my experience. Keep an eye on the plugs assuming the float level is correct -if needed you can fatten it up by upping the jets. Mikes carb parts sells them.
  9. Scott06

    Mercruiser Alpha One Gen II Maintenance Items

    That seems like a good list. Only comments I would add are on the water pump impeller- consensus is use OEM parts vs aftermarket for best life. Also inspect the seal carrier just below the water pump baseplate this is plastic and horn shaped. The top can get misshapen and deformed from the...
  10. Scott06

    Bravo 3 Oil Leak - Oh No !!!

    I found the same thing last spring on my alpha gen 2 after R&R drive during winterization the previous fall. I think there is some that spills out when you are reinstalling the drive. I had no issues or water intrusion last summer
  11. Scott06

    Mercruiser 4.3L TKS Carb scan tool?

    Depends on how much the money in your pocket is bothering you ...$695 https://marineenginedepot.com/diacom-diagnostic-tool-and-software
  12. Scott06

    Bravo 2 water pump impeller

    In addition to other comments main difference between bravo and alpha drives is the shifting mechanism. alpha uses a dog clutch which produces a clunk when it shifts into gear. Bravo uses a cone clutch which will provide smoother operation. also bravo drives are heavier and can take more strain...
  13. Scott06

    Mercruiser MR-1 leg goes down, nothing on up

    Electrical components work … until they don’t. You need to trace out where you have 12v and where you don’t I suspect you may have had loose or corroded connections or wires, and probably had a voltage loss. Eventually gets to a big enough voltage loss that solenoid won’t work or switch just...
  14. Scott06

    Can the base of engine work? Two to bolts under engine are rusted and can

    Yes you can do it but you need to check also the stringers and transom while the engines out if your engine mount is rotted probably due to the age of the boat there is rot else where If you look in the restoration forum on here you will see people doing these repairs
  15. Scott06

    What is it a 230 or 250 GM straight 6 F0916CCD 10W147291 Casting #3921968

    You just gotta work on your jokes a bit ....
  16. Scott06

    What is it a 230 or 250 GM straight 6 F0916CCD 10W147291 Casting #3921968

    MI is the abbreviation for Michigan a state in the US, also Home of the American automotive industry .
  17. Scott06

    Monster vs Aerial

    I have not installed either brand I did a Krypt Xmobe https://www.bulletlines.com/X-mobe-wakeboard-tower-p/249.htm I am 95% sure this is the same as the Aerial Airborne 2.0 except for the logo. They must be made at the same place, but check out the price diff... I was really happy with the...
  18. Scott06

    Blowby through vent tube? Mercruiser 3.7

    It may be a moot point since they are honoring their work... My thought is ring end gap or mismatch between ring/piston and bore What did the rings and pistons look like from those cylinders?
  19. Scott06

    want to run my engine out of the boat.

    These look like the splices that would go in when someone installs a delco voyager EST (electronic ignition) on an older points or to replace a Merc DDIS distributor less set up that is obsolete. Doesn't necessarily make it bad or wrong as long as it is done right
  20. Scott06

    4 to a 2 barrel carb

    I buy my carb parts from here https://www.carburetor-parts.com/ all good quality parts. never had an issue with any parts or kits over ten plus years of buying from them for my boats and classic cars.
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