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  1. johnkom

    LH or RH Propeller Drive Unit

    Years ago when I started working on these drives that confused me too. But you have to think what the prop is doing in the water. On a RH rotation when in forward the engine is trying to turn to the right and the water is resisting pushing back to the left. So you can't turn it left because...
  2. johnkom

    Need help, overheating at cruise rpm

    "base gasket is leaking and your sucking in hot exaust at higher rpm`s" Yep. That's exactly what I found two years ago with my overheating problem.
  3. johnkom

    Lower Shift Cable Housing Damaged

    Installing a new lower shift cable in my MC-1 and the new core wire wont go inside the cable. It goes in about 8 inches and stops solid. And I mean solid. No chance it will work. I've emailed Quicksilver to see if they will replace it. I can only find kits for sale and I only need a new...
  4. johnkom

    Seized Lower Shift Cable Nut

    Thanks nola mike. Interesting tool. Wish I had it yesterday. But I finally got it out. I used a punch to fracture the nut. I was then able to run the straight tap though the housing.
  5. johnkom

    Seized Lower Shift Cable Nut

    Need some ideas. When I started to remove the lower shift cable nut on my MC-1 outdrive the nut facets rounded over. So I drilled the center out and used some heat on the casting. No luck. The nut split. I'm stumped. Any ideas? Really hard to get into the cavity to work.
  6. johnkom

    lower unit replacement

    Ha. Happened to my '76 Sea Ray. One tough old boat. Welded lower unit and replaced ram ends. Still going several years later.
  7. johnkom

    ECHOMAP UHD2 63sv Not Showing Fuel Flow in Navigation

    I just installed a new ECHOMAP and all is great except for the fuel flow in Navigation map page. Fuel flow shows in the vessel/engine pages and the fishing map page. But in Navigation the field just shows dashes. Any ideas?
  8. johnkom

    New to me 1995 Monterey 256 Cruiser dash not powering up

    This may help.
  9. johnkom

    Tilt / Trim problems :(

    I have a 1976 Sea Ray with original trim pump. Last week it labored to run and would finally go only go one way, up. I remove the upper motor cap and the brushes were totally worn/gone. Found a similar pair of brushes at our local ACE. With minor modification I was able to install them...
  10. johnkom

    What depth/fish finder do I want

    Great idea, dwco5051.
  11. johnkom

    What depth/fish finder do I want

    Thanks for all these videos but my eyes just glaze over. I do not understand any of this. Frequencies, band widths etc. What the hell? For dummies please.
  12. johnkom

    What depth/fish finder do I want

    What's a "foot transducer?"
  13. johnkom

    What depth/fish finder do I want

    I have a 20 foot SRV SeaRay and want to add a depth finder. I boat mainly in the Illinois river and a depth finder would be valuable. I'm not a fisherman but it looks like a fish finder is the answer. I don't understand all the ads. What is the most practical for me? What is Chirp? What...
  14. johnkom

    mercruiser 888 spark plug

    Directly from the manual, note 5: 5. 5/8 hex – 14mm plug – AC-MR43T, except as follows: 888 (only), Serial No. 4615130-thru-4616217 and above 4616267, use AC-R42-T. 13/16 hex – 18mm – AC-CR86-T.
  15. johnkom

    Fuel Transducer Location?

    Good to know. Thanks Scott.
  16. johnkom

    Fuel Transducer Location?

    It is a fuel flow sensor. The fuel pump is mechanical. I am just curious if the sensor is installed so far away from the carburetor and on the suction side of the pump if the accuracy is affected.
  17. johnkom

    Fuel Transducer Location?

    I want to install a fuel sensor on my 1976 Mercruiser 233 but unsure as to where. The fuel line from the fuel pump to the carburetor is solid and I don't want to cut it. There is no room between the fuel/water separator and pump. The fuel line to the engine filter is rubber and can be spliced...
  18. johnkom

    1967 Mercruiser Tilt Rod Bushings?

    https://bpi.ebasicpower.com/shop/index.php?main_page=product_info&cPath=964_1046_1062&products_id=21765
  19. johnkom

    196 351W Flywheel

    Did mine a couple of years ago. Left flywheel in freezer overnight and heated ring gear in oven at 500 degrees for an hour. Ring gear literally fell on to flywheel.
  20. johnkom

    1976 Mecruiser 351W Ignition System

    That starter is a Prestolite and built like a tank. Mine was doing that and I took it to a electric motor shop for a rebuild. When I went to pick it up the mechanic said it only needed cleaning and replaced the drive. 47 bucks. And it works perfectly now. I did find some damaged teeth on...
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