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    1996 Mercruiser V6 Gen + winterizing question?

    I just traded for this I/O and it is time to winterize it. I know from what I have heard that I need to drain the lower unit lube and refill. I also know I should changed the plugsand the oil/filter. What I do not know is the location of the drain plugs. I understand that there are "2" in...
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    A few starting ???'s Just traded pontoon for 1996 Sylvan w/ 4.3 V6 Mercruiser

    I just trade my pontoon for a 1996 Sylvan 196 w/ a 4.3L V6 Mercruiser Gen+. I was trying to get a manual for the boat (controls, dash lights, switches, etc... and with no avail... I can't find anything!) My main question is start-up procedure. I know the throttle forwards and reverse...
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    What is the proper prop for this???

    Treat me as if I am new... I can not find ANY info on a new prop for a 1999 Mariner 40HP Jet 30 3 cylinder 2 stroke for a 20' pontoon boat. The existing prop shows NO markings so I can NOT find out which one would be BEST for maximum acceleration and top spped for a maximum of 8 people at a...
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    Throttle acting funny???

    I have a 1999 Mariner 40HP Jet 30 3cyl 2 Stroke that was recently gone through at the marina. To give you soe insight... I had a guy thatdid not tighten down the lock nuts for the idle timing, max. spark advance timing, throttle stop, or the WOT throttle stop screws. I found this out when the...
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    Big problem with timing and adjustments on 1999 Mariner Jet 30 3cyl stroke

    As from some of my other posts in regards to carbs...I finally got everything smoothed out as far as WOT carb adjustments. Just when everything was looking good...we took it out onthe water today, and then all hell broke loose. We ran great for about 4 hours and suddenly everyhting just...
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    Carburetor question???

    I have a 1999 Mariner Jet 30 3cylinder 2 stroke outboard. I have a dumb questions... I say that because I am a complete fuel-injected guy and really am questioning myself. I just did a timing and syncing operation on this motor. The service maunal states that the sync the carbs you should...
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    ?Speedometer issues?

    I have a Millenium Odyssey 20' pontoon with a 40HP Mariner Jet 30 3cyl 2 stroke outboard. When I got the boat the speedo pickup at the rear was broke off. I since replaced it and I blew out the tube from the pick up to the speedometer with it removed from the speedometer. The pick up is...
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    Probems adjusting carbs...

    I have a 1999 Mariner 40HP Jet 30 3 cylinder 2 stroke. My question is is that the service manual calls for the intial setting from factory is 1-1/8 from seat. So I did this on all three carbs. I have them all in sync, timing is 2 degrees after TDC, and spark advance is 24 degrees after TDC...
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    What is the best prop size?

    I have a 20' Odyssey Millenium with a Mariner 40HP Jet 30 3 cyliner 2-stroke. I am completely at a loss for a replacement prop. The one that is one currently is a little beaten up by the previous owner. The motor does great on the water but I was wondering if I could get MORE from the motor...
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    Replacement speedometer part?

    I have a 1999 Millenium Odyssey that has a speedometer problem. When I pulled it from the water with the speedmeter not working I notived that on the "right side" of the cylinder that it floats on has a white plastic piece that has a 1/4" hose fed into it was broke and a part(s) were missing...
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    Carb question that is bugging the hell out of me!

    I am a fuel injected guy! The only thing I own that is carb related is a weed whacker and a push lawn mower. I have a 40 HP Mariner Jet 30 3cyl 2 stroke. I just got the carbs rebuilt and I have a question about the settings. I know the factory is 1 1/4 out from seat. Should ALL the carbs be...
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    Question about control board on Millenium Odyssey pontoon boat?

    I have a 1999 Millenium Odyssey pontoon boat acquired from my father in law without ANY manuals. My question is this. Should the guages power up on ignition only or have constant 12 volts? I was out over the weekend and I have one rocker switch that goes 2 ways. If it goes down... the red...
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    Question on initial idle setting to quality setting on carb(s) of Mariner 40 HP

    Okay here is my main question. With the motor in a 55 gallon trash can full of water, I set all 3 carb screws to 1-1/4 truns counterclockwise from seat position. I go to throttle back and forward...I understand that part. The part I do NOT understand is your suppose to adjust them while the...
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    OK... I am going to ask the "stupid" question about start up procedures!

    Please forgive me... like I said in my previous post... this pontoon has set for 5 years. I got it from my in laws without any information. I downloaded and looked in the service manual and for the life in me I can't find the start up procedure. I have been told 3 ways to do it. It is a...
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    Mariner 40 H.P. Jet 30 carburator adjusting question?

    I've got everything back to original with the timing of low speed to 2 degrees and max advance 24' degrees. What is the best way to adjust one carburator at a time. I have closed all 3 screws to seat...then back out 1-1/4 turns. At that setting it is about 3 seconds before start up. I back...
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    1998 Mariner Jet 30 40 H.P. idle, timing, and sync issues... NEED HELP!

    Well I had a problem with it when I put it in the water for the first time the other day. It would not hold idle, it would die when you gave it throttle, and very hard to start. here is what I did. Keep in mind this motor has set for 5 years. Replaced spark plugs, fuel filter, new 87 octane...
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    1998 40ELPTO Jet 30 question...

    My father in law bought this pontoon about 5 years ago. It set outside with a half a tank of gas in it without being winterized. I know... what a dumb*****! I drained the gas...adding 93 octane & Lucas fuel additive...I cleaned the plugs...added a NEW fuel filter...cleaned the carbs & the...
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