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    cant get enough rpms

    i have a 1980 black max 200 on a 20ft center console and its only getting 5000rpm and around 33 mph. i had a 19pitch prop on there before and it was around 4500rpm and 27mph. I switched it out for a 17pitch, reajusted the timing(it was off)...checked the float levels on all carbs. and im still...
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    wet plugs

    i have a 1980 mercury black max 200hp which i recently installed new head gaskets on and cleaned all the carbon residue off the heads. i replaced all 6 coils too. after took it to the lake once and let it idle on the muffs, i took the heads back off just to see and the port bank of heads look...
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    black max very high water pressure

    i have a 1980 mercury black max 200hp. when i got the motor the thermostats and poppet valve was removed. i put all this back in brand new. and i got a water temperature and pressure gauge installed too. i also rebuilt the water pump. when i start it up im reading 15 pounds of pressure at...
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    is my power trim pump shot?

    i have a 1980 mercury 200 black max with one trim cylinder and the pump inside the boat. the trim will work fine on land... it will go all the way up and all the way down..and it will work when im at very slow speeds on the water. it does not leak down at all. but it wont go up the slightest bit...
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    Why is my boat so slow?

    i have a 1997 palm beach 20ft center console whitecap. its a deep v hull...online it says the hull weighs 1800lbs. i have a 1980 merucyr 200hp black max on the back that runs good. but my top speed is only about 32mph? with about 20 gallons of gas in it. and thats on really smooth water with 3...
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    trim problem

    i have a 1980 mercury 200 with one trim cylinder on the transom and the pump in the boat. i have a deep vee hull center console 20 footer. the trim works totally fine on the trailor and when im stopped on the lake. but it wont trim up when im at cruisin speed. i have to keep the motor down the...
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    How do i check the reeds?

    i have a 1981 mercury 200hp and after i ran it for a whole day i noticed alot of fuel came out the front of the carbs (i thinkjust the bottom two). i suspect its a reed problem?...how can i check the reeds to make sure they're alright? do i have to tear down the engine or can i just take the...
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    no thermostats, no poppet valve

    1981 mercury 200. i took it out yesterday and noticed no water coming from exhaust relief ports. i took it apart today and noticed someone removed the thermostats and the poppet valve on this engine. shouldnt i get water out of the exhaust ports? with the hose on i get steady stream of water out...
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    detonation?

    1981 mercury 200... when im out on the water and increasing speed itll act fine until i get to a little bit over 10mph then it will make a kind of metallic clinkin noise...but if i give it a little more gas itll stop...is this detonation i hear? cavitation?
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    dry exhaust relief

    1981 mercury 200hp... took it out for the first time today and everytime i looked back (when i could) there was no water coming from exhaust relief...isnt there supposed to be water coming from there once it gets warmed up and the thermostat opens?
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    sluggish off idle

    okay so i bought this 1981 mercury 200 hp. i havent taken it out yet. when i have it on the water hose and i blip the throttle at the carbs (the linkage) it accelerates but it sounds bogged down and doesnt accelerate that quick. it almost cuts off if i blip it a little too much....i dont open...
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    tilt and trim problem

    i have a 1981 mercury 200 and it wont trim down anymore. itll only go up... i noticed a few weeks ago there was a second or so delay when i pressed the down button that it would actually work...i guess theres a loose connection somewhere...ived looked at the switch on the throttle lever and the...
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    Paint Ideas

    So i just bought a centerconsole 20 ft fishing boat and it has antifouling bottom paint on the bottom but its chipping off and i want to paint the whole outside...sides and bottom of hull with just regular paint. it will be trailored. i was thinking of using sterling paint. i want to keep the...
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    bottom paint?

    okay so im relatively new to boating and i just boat a 20ft center console that needs some bottom paint. i can see fiberglass in some areas. i have never painted a boat or anything so i dont know what to do. what kind of paint do i need and where do i get it? how do i put it on? do i need to...
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    repair manual

    where can i get an original factory repair manual for a 1981 mercury black max 200? i dont want a clymer or seloc manual. i ordered an original johnson manual a while back from some bookstore site but i forgot where...any suggestions?
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    1976 Johnson 115...Wow, i need serious help

    Okay, I've been workin on this motor for a while. The motor will start up and run relatively fine. It runs and idles with lots of smoke from the exhaust though. Blue smoke. More than other two strokes i've noticed. Also theres always gray sludge comin out the prop(unburnt oil). Oh, and it...
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