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    Purple/yellow wire for fuel pump, no post on the starter?

    Hey guys, on the Mercruiser 4.3LX IVThunderbolt the wiring diagram say that the purple w/yellow strip wire that runs from both the fuel pump and the oil pressure switch runs to the starboard post on the starter (opposite the solenoid post). On this starter, there is no 3rd post, only the main...
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    Power Trim turning me into a lunatic, reverse lock valve leak.

    I think I am just gonna start lifting the drive with a rope....good hell. So this is an approx 1980 Merc 140, has the single solenoid metal prestolite pump w/ rotary style trim sender and interupter. The cylinders had to be completely drained and a few of the hoses have been replaced, I feel...
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    Merc140hp GM 181 I/L4 1979-1982 Manual Please?

    I have the 1972-1977 all engines manual, but it's missing a couple of updated items that I could use for this motor. Does someone have one handy I can get. Serial# 6283099 Much Thanks!
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    Wish my boat wasn't painted (stripping paint off gel-coat?)

    Hey Gents...So I have this Crestliner that was painted by the guy I bought it from and I wish it wasn't really. He did an ok job but I would have much rathered he left it be and I had a chance to just buff out the old gel coat. I doubt I'll ever do it but I was wondering if anyone has ever...
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    Merc 270 (2 BBL.) GM 350 V-8 1969-1972

    Hey I was wondering if anyone in there travels has happened across a journaled gathering of information containing everything there is to know about this motor so that I can reference it if ever I stubble across a problem? Anyone ever come across such a neatly organized document? Meanwhile, I...
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    MCM 140 EST Ignition question/diagram

    Gentlemen, I have a MCM 140 #6156174 and it has an EST distributer/coil system on it. I'm not really familiar with these, I am hoping it's gonna make my life easier in the long run, but it looks like I have a little learning curve to conquer first. I'm having an issue getting the wiring...
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    95' Merc 4.3 LX IV Alpha One Starting/Wiring Issue

    Have a Lake Powell trip planned in a day so I hope someone can help me with this. I got a 95' Chaparral with a Mercruiser V6 4.3L LX Alpha One IV Serial # 0F3636*** Manual #18. It cranks but won't start, occasionally I get a backfire. There are a few wires that are not connected in the engine...
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    Manual? Merc 4.3L V6 #0F363142

    Does anyone have the link to the manual for this? I greatly appreciate it! 95' Chapelle Mercruiser 4.3L V6 #0F363142 Alpha One # 0F341390 Transom # 0F402580 Cheers!
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    Sunk!

    Had an interesting day. The wife rolled the 98' Seadoo GTX, right after we finally got it running of course :facepalm: It's all good though, it happens. The part that pissed me off was not only did not one person stop to help us (I had my 3 year old daughter with us at the time btw)but the...
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    Wagner Velvet Drive...Drive Shaft Spun Off!?

    Working on a Mercruiser 350 with a Borg-Wagner Velvet Drive # 1017004. It's a friends boat, he just bought it, 2nd day out it won't go into gear....just growls. Gets towed back and I enter the picture. Upon arrival I notice that the prop is actually touch the steering plate or rudder (not sure...
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    Smokes like hell...01' Seadoo GTI

    Seems as though there is a hole somewhere in the exhaust system, but I can't be sure without tearing it apart. I was hoping maybe someone has some knowledge they can share that will save me some diag time. It runs good on th trailer, but that has always been with the seats off, it seems as...
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    2001 Seadoo GTI starting issue

    Got a 01' SeaDoo GTI that has been giving me a headache and I'm hoping someone could help lead me in the right direction. So when I plug in the key it does the normal beep, then 50/50 when I push the starter it either warning beeps even louder and won't crank or cranks very sluggishly. The...
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    Cleaning fuel system

    This is a copy and paste, original poster was Steach from http://www.greenhulk.net/forums/showthread.php?27314-DIY-Fuel-System-Cleaning. I just found it very informative and thought I'd spread his good thinking. If you have an older Seadoo with grey Tempo fuel lines (pre 2001) they need to be...
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    How to remove fuel sector switch

    How to take off fuel selector switch for most Sea Doo : *Turn selector switch to off if it's not already *Use a sharpie and write on each of the fuel lines (hopefully not grey anymore so maybe use some tape) and mark which line goes where on the back of the selector switch, this will save you...
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    Make this a sticky? Mikuni site link here:

    This has all the info you need and since these are the usual suspect I'd say a sticky should be added if someone has the ability to do so....just my opinion. http://www.mikuni.com/fs-carburetor.html
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    Bent Drive Shaft, 98' Seadoo GTX

    Gentlemen....I got very slight bend in my drive shaft on a 98 gtx limited 951cc. I was just gonna buy one off of ebay, I just want to make sure I get the right one. The previous owner said they replaced the impeller and I'm guessing they just didn't align it correctly.
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    Little Carb Help Please.....98 SeaDoo GTX Limited 951cc

    I can't get this bastard to start and I'm not sure if I have the jets all set correctly. I have the high speed jet screws (the ones underneath that you can't reach once it's all put together) set to all the way in then backed out(c.c.w.) 1/4 turn each. The top (low speed) are backed out(c.c.w)...
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    GTX Limited...Lord let the problems end.

    Back to the drawing board:facepalm: Alright gentlemen, I have a 98 and 99 gtx limited. 99' runs like a beast, except, when you first go to give it throttle (I'm talking only on the lake) it bogs and will even die occasionally. However, if you flip the choke lever quickly, while giving it very...
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    Odd water in oil question. Merc 140 model 2770087

    Mercruiser 140 i/o model 2770087 (1968-72). Milky oil came pissing out the gasket of the valve cover out on the lake (apparently the valve cover gasket is bad) but I don't understand the milky oil because the dipstick was totally clean, just low obviously. How can this be that the oil in the pan...
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    Rebuild Carb 99' Seadoo GTX Limited (manual?)

    Rebuilding the carb on a 99' Seadoo Limited GTX and could use a shop manual if anyone has one. I know you can DL the manual from seadoo's site, but I need the REAL manual that has all the specs and what not. Cheers,
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