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    1983 merc 470 170hp carb question

    i have posted before about my 2bbl carb i would always have to prime the carb to start only when sitting for a period of time i rebuilt the carb like every one told me to the best of my knowledge why does this carb still need to be primed when sitting for a bit. i go up to my trailer on the...
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    what is the true name of my Alpha outdrive

    i have a 1983 470 merc 170hp i heard many names for my outdrive i think i got a Gen 1 but i read that's not the true name some said it was called a MC 1 the reason i'm asking is i plan to rebuild my outdrive(new impeller, bellows, and so on)and rebuild the 470 motor the motor name is obvious...
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    1983 470 merc run on

    when i shut the motor off it does the dreaded run on what should i look at i rebuilt carb at the start of season i'm pretty sure it's clean i soaked and cleaned all passeges with wire to make sure i got all the crud out new needle and seat so what usually causes this is it timing maybe i did the...
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    1983 thunder craft 470 merc fuel pump manual vs electric

    when fuel pump needs replacing is it better to put back a manual one or electric pump if i decide to replace with electric what do you do with the old manual one leave it on engine or is there something i got to do besides replace lines
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    Fuel delivery problem on a 1983 470 merc cruiser

    i have a 1983 thunder craft with a 470 merc cruiser when i winterized last year no problems starting i went to put in water this weekend there is no fuel in the line i tried pouring fuel in the carb it starts no problem but i can't get no fuel from the tank so i started from the beginning i...
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    Maps of buoy markers on Georgian Bay

    sorry guys not sure if this is a repeat question or right area i'm looking for a map that shows the buoy markers for the Wabashene, Midland to Honey Harbour areas i'm new to this water and like some type of guide like a road map would do i know there is alot of nautical maps out there but i...
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    1983 thunder craft balancing

    a couple a months ago i posted a thread on the good and bad of converting fron I/O to outboard someone mentioned if you pull the inboard out and put a outbaord on it will through the balance off which makes sense. my question is i'm keeping it as a I/O but i need to add a smaller engine for...
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    1983 Thunder craft Flamingo Royale canopy question

    the boat has a 470 merc i have been restoring this boat just about done but i'm stuck on the canopy bars when i bought the boat they were missing i have got the canopy repaired but missing the bars that hold it up i can not find any pictures to build my own or find any from another thunder craft...
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    470 merc 170 hp i/o convert to outboard

    I have a 1983 thundercraft with a 470 merc cruiser 170hp the motor runs well right now but in time it will have to rebuilt or replaced. i was talking to this person from Newfounland Canada his life is boats they say when these types of motor blow they convert to a outboard motor they reinforce...
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    whirlpool sterndrive need info

    a friend bought an old boat with a whirlpool stern drive is there a forum in iboats.com for this drive please help direct
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    Aluminum exhaust manifold vs cast iron

    i was told that aluminum is the better choice to extend life of motor 1983 470 merc the cast iron cracks and leaks in cylinder is this a common problem for this motor? i was looking on ebay for prices found one for $400 the item said "riser must have long bolts to fit manifold can be used to...
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    What motor to replace with when old one is blown

    I heard alot of views on 470 merc 170hp bad and good, regardless if i get 1 month, 1 year, 10 years i will have to replace sooner or later my boat is a 1983 Thundercraft Flamingo Merc Cruiser 470 170hp with a alpha 1. What motor has everybody been using to replace a 470 and if replaced with...
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    Forgot to Fog motor

    i winterized motor and outdrive drained water and antifreezed outdrive (yea i know some of you don't use antifreeze air don't freeze) i forgot to fog the motor i don't want to start the motor again will it be just ok to pull plugs and spray into each cylinder will this be ok enough or do i need...
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    1983 rochester 2bbl carb question

    i'm tearing apart carb i was unscrewing the two idle screws at bottom one screw was 1 1/2 turns out the other was one turn out is this common to be that much difference when i put back together do i turn both out the same and adjust when boat is running or put back together and adjust the same...
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    1983 470 merc carb question

    i have a 2bbl rochester i took off boat to rebuild i mentioned in previous post i had to pour gas down carb to start someone mentioned bowls leaking so i'm going to rebuild i found a kit to fit my rochester carb when i was taking it off intake manifold i noticed an extra fuel line there is the...
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    Can't find carb kit 1983 470 Merc

    does anybody know a site which i can match 1983 470 merc 170hp 2bbl the carb's tag number reads ( 1376-5990 A1 ) i want to buy a carb kit but can't match number to any kits maybe because it's an old number? I looked on some links from this forum but can't match number to original parts or...
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    On to the next problem 1983 470merc 170hp

    i put an alternator conversion kit on i winterized motor and stern realized another problem boat is hard to start meaning no gas in carb (only when sitting for a period ) when i tried to start motor to pump antifreeze in it would not start and battery went dead charged back up still would not...
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    Fuel stabilizer on 2 stroke

    i have a 1980 johnson 25hp when i go out last time of year i usually just run the gas until almost empty then just throw out the remaining 2 stroke mixture by burning (safely) this year i have 3/4 of a tank i'm asking this question because i can't find answer in forum Can you put fuel...
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    Closed cooling system or not ???

    OK still learning the I/O thing i have been learning alot from this forum. i have posted previous on winterizing my 1983 470 merc i think i now the answer but i want to hear from the experts i have been following the advise on winterizing your alpha 1 and the motor. they talk about closed...
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    1983 470 merc with alpha1 amount of gear oil

    i'm winterizing my 470 merc i'm changing stern drive lubricant whats the best lubricant to use or just worry about getting a good product and how much do i need
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