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  1. Q

    Mercruiser 454 Oil/PS Cooler Replacement Question - Loss Of Oil

    So are we talking the oil cooler or the power steering oil cooler ?
  2. Q

    Which remote controls for 1988 Yamaha 30hp?

    703 would be the usual
  3. Q

    Mariner 8hp W8(M) w Marathon - no spark upper cylinder

    So just reading both your posts again. You only say the plug is wet and that cylinder isn’t firing. Is it not firing because there is no spark or just we only know it’s not firing because plug is wet ? If there is no spark…then you go a certain way with it…but if it has…then you go another...
  4. Q

    Finally ready for a new prop

    Hi. Is your tachometer now changed its setting from 4 cylinder to 6 ?
  5. Q

    Bravo One Cooling/Flushing

    You can take the hose off the water pump inlet side and feed it water. If you do what you are thinking, low down…water will just run out the drive.
  6. Q

    Is 90hp ob enough??

    Initially my thoughts would be the 4.3 all day. I genuinely think it’s the best all round engine ever put in a boat. but on the side. I’m always amazed these days hearing guys wondering if a 16/17ft boat with a 90hp or similar would not be enough to pull a skier or toy. Back in the early to...
  7. Q

    Mariner 8hp W8(M) w Marathon - no spark upper cylinder

    Change over the HT leads and see if it replicates on the other. Check the rectifier too. Other thing might be she has lost compression on that cylinder perhaps.
  8. Q

    Finally ready for a new prop

    What kind of boat is this. Some going for a 3.7 as she was previously. Must be a fast hull she has. What 4.3 did you put in her ? Was she a built motor with fancy parts to see 220hp or was she an mpi or brand new quicksilver unit carb ? Those are the only 2 4.3 I know of that can make 220hp...
  9. Q

    Need Help From You Guys That Have Prop Efficiency Calculators

    Good stuff. Yeah…you’ve got a lot more rpms with that newer type engine sure.
  10. Q

    Need Help From You Guys That Have Prop Efficiency Calculators

    I think you probably couldn’t or shouldn’t enter and count on any data taken from the dash gauges, when when entering data into a prop slip calculator, for the purposes of doing so, with the intent of getting a prop for the boat. 4 or 5% prop slip isn’t an impossible result, but it would need to...
  11. Q

    Intermittent Backfire 4.3 EFI

    Yes. That’s one of the potential symptoms
  12. Q

    2010 Mercury 90 outboard, EFI, 4 stroke dies after hitting wake

    Check out all main electrical terminals…then stop jumping wakes 😂
  13. Q

    1996 Force 120. Wont start

    Sorry to ask..but are you starting with the water on from a hose ? Or in water ? Or with no water ?
  14. Q

    Intermittent Backfire 4.3 EFI

    Hi. Firstly, lovely boat. Have a campion myself and run the owners group on the dreaded Face book. Only reason I’m on it. anyway, at 2001, if the engine is original, I know it will be an efi and not a MPi. Was the only option apart from a carb then. I’d be almost sure you are having a crappy...
  15. Q

    2018 4 stroke 115 hp Mercury - Misfire (?) under load after 1 hour

    Hi. This was happening exactly to me on my 2016 identical engine. It’s the CT model 115 I have. Spent a wee while thinking and looking around things like fuel filters, plugs, leads etc etc. would take a wee miss fire (or so I thought). Was convinced it was a miss. Split second loss of power...
  16. Q

    Best fuel consumption

    I used to think that just above planing speed and the more pitch and lower rpm (within the rpm range) at top end…was always meaning that prop is best for efficiency. I’d think I was so wrong to think that way, but easy to do so. Often a prop of a lower pitch can be more efficient at cruising...
  17. Q

    prop for Mercruiser Alpha One

    I’d say you’ve hit the bottom with all the blades being bent there. Check the hub kit out too. Hopefully it’s done it’s job and sacrificed itself.
  18. Q

    Questioning Dealer

    Depends what 4 blade it is and what the 19” 3 blade you had on previously was, I’d think. I will be 50/50 if it’s on the limiter or not, I’d think. Or it could be just perfect for you. Depends what you’re after too.
  19. Q

    Mirage 48 13244 A50 21P.

    Just need a flo torque hub kit. Will have what is required. Good enough props a few decades ago on heavy boats with big blocks etc. Likely outdated these days. Not sure how well it would suit most things with an alpha on it to be honest. Certainly wouldn’t be for anything with a less than a v8...
  20. Q

    Alarm Going Off for Mercruiser 350 Mag MPI

    The vessel view mobile will defo work with that engine. Plug and play. It’s by no means got the funtion of a dealers diagnostics…but definitely tells you faults and their description too. As well as dozens of other data read outs that the dash just won’t tell you. I have one for my mpi. Great thing.
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