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    1974 starcraft 16 ft super sport

    A little rough morning out on Houghton Lake today but the old SS is running great!
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    2005 Mercury 60hp Bigfoot lower unit shift connection

    I read the sticky and it did not answer my question. I have a 60hp 2005 Mercury Bigfoot 60ELPTEFI serial number 1B211471. I removed the lower unit to replace the water pump. A two inch plastic tube/guide fell out before I could examine its position. I believe it is a guide for the shift shaft...
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    I was thinking all last night and it hit me, when I rebuilt the fuel pump, the one way valves were held in with a plastic pop rivet. The kit I bought had replacement pop rivets but the pin that you push through did not actually slide, it was molded to the rivet. As a result of not being able to...
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    So, to update. I swapped out the plugs. It was hard starting so I replace the battery and it started up well. It ran well and I started down the river. I had her at 1500-2000 rpm. About 15 minutes down the river, the same thing happened. I could hear the motor losing power. It dropped a couple...
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    Mine does not look like that. Here is a pick I took of mine and also the parts catalog.
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    I understand that, I meant, is the adjustment similar to the oil air mix where you have to count the rotations of the screw to seat it or is it a completely different way to adjust the oil mixture?
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    This will be my next step. Is there a suggested starting point? Like on the air mix, should I be seating it and then turning it out 1.5 or 2 turns? or is it just an "adjust and test" scenario?
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    Thank you, it is the 4 cyl. Based on that, ill pass on looking for them. I knew they were there, I just cannot find them anywhere in the breakouts. I have even hovered over every little number in each photo incase they were extremely different from what I am used to seeing.
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    I figured but was not 100% sure. Its brand new, ethanol free gas. Oil pump is still operational and not adjustable. I am not sure about a metering rod, I was not aware this model had one. Are you referring to the idle air mix screw? If so, I have them both adjusted out to 1-1/4 turn as advised...
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    1991 Mercury 40HP “Classic” Plug Fouling/Stalling

    Hello all, I have a 1991 Mercury 40hp serial number 0D070343. It died on my the other day after about 20 minutes of cruising right around 2,000 RPM. I swapped out the spark plugs as they were due and it started after a while of trying. It is not running as well as it once did and when I pulled...
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    Last year of trailer mode?

    Hi all, what was the last year that evinrude used the trailer mode on outboards with tilt and trim? My 1979 had it and it was great. I now have a 1983 with T&T but I do not want to ruin the trim by trying it out.
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    Advice on a CL ad. 115 mariner

    Hi all, I am looking at a 80s mariner 115. Don’t know the year and I’ll try to post picks. Looking for the good and bad. what I know: it’s $450; it does not come with the wiring harness; “comes with the pump” a not sure what that means; it is a 115 hp; it’s a 6 cyl. I know a ton about...
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    2003 Yamaha 50HP 4 Stroke Spark Advance?

    I have a 2003 Yamaha 50hp 4 stroke F50TLRB. I was wondering if this motor had a mechanical spark advance. I am used to old 2 strokes where an advance lever was needed to Advance the spark at higher RPM. Why? I am having an issue with acceleration. Right around 1800-2000 RPM where my motor...
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    Max RPM? 40hp Mercury Classic

    hi all! I have a new to me, 1987 24’ pontoon with a 40 HP mercury classic I assume is the same or close to the same year. I am looking for Max RPM and possible prop adjustments based on the data I have. My main goal is top end speed as I do not want to run WOT all the time. The two toons are...
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    Still working on idle 454 Merc with video of tach

    I got the motors running better. One seems near perfect the other is questionable. I have two videos, one is of the intermittent “jump” in rpm. It is barley noticeable and is on the starboard tach. The second is of the engines starting; the starboard engine is like a trampoline and the port goes...
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    1979 Merc 454, Fires and stalls immediately

    Hello again, just tebuilt my carbs on my 1979 Merc 454s. Quadrajet carbs, full tear down including pick up tubes and all. New choke stoves, in-line filter, and overnight chem dip. The one engine fires fires immediately and runs great. The other will crank and fire but immediately stall out...
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    Quadrajet “slotted” throttle body gasket 1979 met 454

    hi guys, rebuilding the carb on my 1979 mercury 454. Motor is MIE 330 and serial number is 5226400, carb has a tag on it wit “MIE 330” and “1347-7366”. The kit came wit 2 throttle body gaskets. One is a standard four hole gasket and the other is essentially the same BUT has 2 slots between the...
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    Automatic choke set on 330 merc.

    i took my carbs off for cleaning and need to connect/set the choke spring. It is separate from the carb connected with a linkage. The carb is a Rochester Quadrajet and matted to a 330hp 454 Merc. My main question is, do I wind up the spring before connecting it to the linkage and if so, how...
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    WOT for a 1979ish 330hp

    Looking for the WOT on my 1979 inboard 330 Merceuiser. No issues, just curious.
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    Carb Kit, Water Pump Kit, Thermostat part numbers?

    Sorry to ask such a dumb question but I have run into issues with iBoats. I used to be able to search be year and HP to find my parts but am running into a wall this time around. I ave a 1979 Sea Ray with twin 454 Inboard (NOT I/O) MerCruisers. I am looking for the Carb Kits, Water Pump Kit and...
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