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  1. Q

    1988 20 hp Mariner (NO Spark)

    Hi, I would check the continuity of the plug leads first off. Check they are within the usual ohms range for that size of lead. I would also say that if she is like a fair chunk of 20hp mariner engines of that era...and has a manual pull start...it can be a hit or a miss if you are able to...
  2. Q

    Smart tabs.

    I get that...and to be honest my own father usually always has at least 3/4 tanks to full tanks.. But just to emphasise my point a little, using his boat as an example...him carrying full tanks is just about 300 gallons of fuel...then add on another 140 gallons if he has his water tank full...
  3. Q

    Yanmar 4LHA STP boat speed down

    Hi...My first thoughts are that the numbers maybe don't make too much sense to me. If they are actually accurate, then the prop slip is enormously beyond anything reasonable and then some. The power of the engine doesn't really come into the equation to me, if she is able to make 3300 rpm...
  4. Q

    Kad32 Turbo

    Might be the sealing clamp you are looking at there AD. Or can you see something holed on the inside of the casing there ? I will have another look.
  5. Q

    Kad32 Turbo

    Hi.. With certainty, I can tell you that your turbo is absolutely in real bad shape there. The clearance tolerance between the vanes and the casing there is hugely beyond what it should be. I might also add that the extreme carbon build up present there, is likely what has worn the tolerance so...
  6. Q

    2006 DP-SM with Clicking Under Load

    Could be the UJ...but what is holding me back from suggesting as much with confidence, might be the report of a "light click" or "ticking" sound. I am not sure most would use those words to describe the well known UJ sound ? possibly ? I might also throw in that although a worn UJ noise is...
  7. Q

    Lower unit wont seperate from top plate i/0 alpha one

    Don't beat yourself up too much if you missed or forgot the trim anode hidden bolt....All the guys that read your post and instantly, that bolt came to their mind (me included)....only did so....becuase we have all at one point in the early days, forgotten about that bolt !
  8. Q

    Tilt/trim pump

    Hi, Should I be thinking along the simple things to try first...this is the order I would be attacking things; I would swap over the relays and see if the problem repeats itself (obviously do this when in the same comparable circumstances, as to when it is known to cause issue) If you can and...
  9. Q

    How to add fluid to a 150 Yamaha hydraulic steering?

    Hi. Not sure what type you have...but usually oil is added from a bottle and tube, to the helm. At a head of level above the fill hole too. There is then a bleed procedure to follow. This basically involves full travel of the steering to one side, whilst the bleed point at the ram itself are...
  10. Q

    1999 Mercury 15hsp 2 stroke- No water ??

    I would maybe take the gearbox off again and check it over again. It will be something silly like the woodruff key slipped or astray. Or the sealing ability at either end of the tube. Possible that the tell tale is blocked with salt too. Alternatively (forgive me for saying) it may be that you...
  11. Q

    Smart tabs.

    if you don't always need to have a full tank of fuel...that hugely helps. Just having the fuel you think you need for the outing, plus a safety margin/reserve amount on top (10% or something) will make things better for sure. With that engine and a full tank of fuel...you're likely talking about...
  12. Q

    383 FWC - Strong gas smell while idling, lower compression in one cyl. Any thoughts?

    If this is the 383 that’s an mpi engine…the obvious thing to my mind is that the low compression might be a result of unburnt fuel conditions at that cylinder…caused by the now infamously terrible distributor cap.
  13. Q

    Oil pressure

    Hi. Any chance you’ve put an aftermarket filter on, and used one of the extra top seals, that aren’t meant for that particular application? Very common mistake to make. Or maybe the wrong filter altogether? Maybe you’ve tried to thread on a filter from a 4.3. They are different things from the...
  14. Q

    1997 Yamaha C90 Two Stroke Reverse Noise

    Is she doing this in the water or trailer
  15. Q

    Fuel issue on Bigfoot 60hp?

    If it’s the original era model, clean the carbs thoroughly with a ultrasonic cleaner, then make sure they are set up, as per spec
  16. Q

    Lowrance and Yamaha Engine Data

    You will more than likely need the Yamaha gateway adapter for the lowrance integration. It’s called command link I’m sure. Have a look at those and the details to follow
  17. Q

    1991 75hp L.U swap to 1994 115 work?

    Ok. Will likely just be a case of one of the guys on here, saying if the bolt pattern is the same or not. For the most part and generally speaking, I’d think the gearcase size of the common type 75-115/125 around then, is of the same size. Usually at least. Someone more confident than I about...
  18. Q

    2022 60 Merc Command Thrust Prop Click Question

    Did you get the right water pump parts for the larger CT gearbox ? Not sure about the 60CT specifically, but certainly my larger 115 CT, I don't think shares too many parts with its normal and smaller gearbox non CT version. Could be wrong
  19. Q

    1991 75hp L.U swap to 1994 115 work?

    I honestly can't be confident enough to say with certainty, But I am almost sure that there is certainly a difference between the gear ratio that each have. The 75 will have a lower ratio than the 115. Be something like a 2.3-1and the 115 about 2-1 or something close. That should be considered...
  20. Q

    Prop' set suggestions for Bravo 3x coupled to 250hp Vetus diesel 4,200 rpm max. (UK based)

    Excellent stuff Peter. Haha, I’m up north, in Sunny Scotland. West coast. Currently not sunny at all, obviously! Allan.
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