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  1. jimmbo

    88 SPL Evinrude - Help!

    The Propshaft Seal can be replaced without having to remove the case from the Engine, the Bearing Carrier and Propshaft can all come out. The Shiftshaft Seal will require removal of the case. I think you need to reseal the entire case, as the seals below the water pump are likely the Culprit...
  2. jimmbo

    Hard to turn crank on 61’ starflite 3 75hp

    Here are the pages you are likely looking for from a newer(1972) publication of that Book. It covers your engine as well as any 3rd party book does. I think it is the better of them
  3. jimmbo

    1150 Link & Sync Question

    As I said the timing is what determines the Idle Speed, as the Butterflies are supposed to be closed. Again I said that a Different Prop can load the Engine Differently and could require a resetting of the Idle Speed These engines do not have an Adjustment to vary the amount of Air entering at...
  4. jimmbo

    9322B evinrude 9.5hp (not working)

    SeaFoam can't fix Ignition issues, and it really doesn't do anything except make a bunch of Smoke. There are much better Chemicals for Decarboning an Engine
  5. jimmbo

    1977 Johnson 70 HP 2-Stroke 3 Cylinder

    Okay, so what I getting from you are two different Stories. First you are implying it Never runs right, later it changes to "that the boat runs strong". It makes it difficult to offer meaningful Help when the Story changes. And the first who responded is one of those most Knowledgeable about...
  6. jimmbo

    Mercontrol

    Any Idea what yr the Motor is? Is it a 4 or a 6 cylinder? A serial # will solve this Mystery(what the engine is)
  7. jimmbo

    1150 Link & Sync Question

    Yes on these engines the Butterflies are completely closed at Idle. Cable adjustment is done after the Idle Speed is Set. Throttle Cable has to be unanchored for the Linkage to move freely, allowing the Speed to be set. Idle speed is determined by the Spark Timing, and that will vary depending...
  8. jimmbo

    Merc Outboard - 2 Year Old Engine Failure, 5 Year Extended Warranty Denied

    Did someone stick an engine on the Boat that had too short of a Shaft, so they cut the Transom Mount down 5 inches, to make it fit?
  9. jimmbo

    Need some Help

    Whether or not I would pay the fine depends on who issued it. I have a Pile of Tickets(about 2 inches thick), accumulated from Private Parking Lots over the past 20 yrs, that I refuse to Pay. I get letters from time to time from them, threatening to take me to court. If it were a City/Town...
  10. jimmbo

    Merc Outboard - 2 Year Old Engine Failure, 5 Year Extended Warranty Denied

    I've seen several cases where the Transom Straps weren't undone and the boat was floating a bit lower with trailer still attached. Trailers are usually lighter than the Boat's Capacity Where I live most people launch Outboards with engines up, usually just pulling them to the Dock before...
  11. jimmbo

    50 HP mercury wont shift into N or R

    What's the Serial #? That will help in getting the proper Illustrations As mentioned above to apply a bit of grease on the splines, just don't put any Grease on the ends of the shafts, or Hydraulic Lock can prevent proper reinstallation of the unit
  12. jimmbo

    Merc Outboard - 2 Year Old Engine Failure, 5 Year Extended Warranty Denied

    If it was fine before Winterizing, and upon first start up, it was Knocking, what happened in between? I suspect we will never hear what really happened. Insurance companies will cover Impacts but I haven't heard of them covering Ingestion, except in cases of Sinking or Capsizing
  13. jimmbo

    Help on merc 115

    Welcome to iboats Engine needs Fuel in the right quantity, Spark at the right time, and Compression, to run. So. Do a Compression Test. Check to see if all Cylinder have a Spark that can jump a 3/8" gap, and then the fuel system. Could be dirty/gummed up carb(s). How was the engine winterized...
  14. jimmbo

    1150 Link & Sync Question

    Grease, in a very thin layer, should be applied, to the splines, to prevent corrosion from welding the Shafts to their respective partners, making it very difficult to separate in the future. One Caveat though, only grease the Splines, DO NOT put any grease on the Ends of the Shaft(s) as it...
  15. jimmbo

    Volvo Penta 4.3

    What Repairs are you referring to?
  16. jimmbo

    Prop Pitch

    What were the WOT rpms with the 17? What year engine are you putting this on? A need to know, as the WOT rpm range varies amongst the years, and engine designs
  17. jimmbo

    Piston

    Since you didn't provide a Serial #... you can look in this area https://ww2.iboats.com/Mariner-Outboard-Parts-by-Mercury/dm/cart_id.971598793--session_id.904471077--view_id.268681
  18. jimmbo

    1974 Mercury 115hp I6 2 stroke lower unit put back in help

    On these Engines, all the Timing Advance Occurs with next to no opening of the Carbs, the last bit of Throttle Lever movement is where all the GO GO happens. The MerControl of the Era wasn't very Linear and helped increase that Perception. The Throttle Cable Length is adjusted after the Idle...
  19. jimmbo

    2004 direct inject Evinrude 115 hp

    My mistake. I got 1994 stunk in my thought Process. However the a 2004 would still have been a FICHT. RAM FICHT is what they tried to Disguise it with. 8 or 9 Grand... I wonder if that caused the Flywheel Key to shear. If the engine was starved for Oil upon shutting down at those RPMs... Have...
  20. jimmbo

    Wide Open Throttle RPMs

    The Best way to see if the Throttle Plates are opening, is to look down the Throttle Bodies. I am not familiar with your engine, so it might involve a lot of Parts removal to get a Look down the Carbs, then again, it might not. Start with a Compression Test. Check to see of it has Spark that...
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