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    cost to rebuild a blackmax?

    hi all i have a 1983 mercury blackmax 150 xr2. ive had it for a little over a year and it just keeps on giving me problems. its been to the shop mutiple times and still giving me problems. the block i know is solid its got 120psi on all cylinders. i basicaly want to know in the ball park of how...
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    bringing back to life 70s model evinrude 50hp

    alright this is what i know about the motor. it has been sitting for 5 to 10 years cover was on it. the plugs were not in the engine so idk how long they have been out. there is no rust or scaring in the cylinders and the motor turns freely. i dont know if it was put up running or not. what...
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    more cooling problems

    i had a previous thread about this i have a 83 blackmax 150 xr2. ok so here is what its doing. when you run it on a hose its fine and when your iddling its fine but after about a 2 min run at anything over 2k rpm it stops spiting water and it just shoots steam out of the pee hole. you can stop...
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    good prop without breakig the bank?

    i am about to buy some parts off iboats and one of the parts is going to be a 19pitch stanless prop. my question is whats a good vented prop that wont break the bank completly. btw its going on a blackmax 150
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    no more electric lake for me for a wile

    me and a couple of buddies were fishing in an electric only lake (lake dow). we had my bass boat set up with a 50lb trolling motor on the back and a 50lb foot controled on the front. we had a good morning and had just got back to the boat ramp. i pulled the boat up to the shore to get the truck...
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    how to lean blackmx 150

    i have a blackmax 150 83 model that is running to rich im seeing unburnt oil on the plugs and its smoking more than it should. how do i lean it out just a bit?
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    ID this motor

    i think i have a 84 blackmax 150 that im having problems with i posted about the cooling system. i tried finding diagrams of the motor but when i looked up the vin number i couldnt find anything. the number is 6424255. any help is appreiciated
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    cooling system on blackmax 150 not working right???

    hi everybody i have a 1984 blackmax 150 2.0l. we took it camping with us to a place where you could only run idle speed and on our second trip out i notice the pee stream was coming and going to i killed the motor and trolled back. well when we got back from the trip i replaced the whole...
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    1984 cajun bassboat???

    i think i have a 1984 cajun bassboat. it has a plate on the side thats said it was a classic 2 but i couldnt find any info on that model. btw it is 20ft with a 150 blackmax on the back. i know the motor is a 84 i looked up the vin number on that. can anybody find any more info on it??
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    water psi gauge on 84 150 blackmax

    hey guy just wondering if i can put a water pressure gauge on my 150 blackmax. i have had some problems with my waterpump in the past and would like to be able to keep an eye on how good it is pumping. this motor has never had a pressure gauge as far as i know so i will need to put a sensor on...
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    will prob pitch affect rooster tail

    i have a 20ft bass boat with a 150merc on it with a 17p prob. im looking at putting a 21p vented prob. will this throw a bigger rooster tail than the 17p. right now i am not getting much of a rooster tail at all running 50. btw sorry if i posted in the wrong thread not really sure where it...
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    wiring harness for 150 blackmax

    i am wandering what all the wiring harness here on iboats comes with i need to rewire almost my whole motor due do a bad short which burnt up alot of the wires right above the power pack. 414-6220A 4 this is the...
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    wiring diagram on 84 150 blackmax

    had an eletrical fire on my 1984 150 blackmax and now i have to rewire one side of the motor does anyone know where i can find a wiring diagram for this motor. also there is a little black box just above the power pack that i think caused the problem it looks like it is burnt pretty bad. i will...
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    1984 blackmax electrical melting??

    hi everybody i have a 1984 blackmax 150 2.0. took the boat down to flordia for a couple of days and where we were at you couldn't open it up i could only run idle speed and that was no problem for the first few days then on the last day the motor seemed to run a little hot not much so i let it...
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    tach on 150 blackmax

    trying to figure out if my tach gauge is bad or if its got a bad wire on the motor? tach worked for a little wile when i bought the boat but the other day i was leaving the ramp and hit about 3k rpm and the tach just droped to 0. not really sure where to start looking. any suggestions?
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    3 blade vs 4 blade

    i have a blackmax 150 and want to put another prob (21p) should i get a 4blade or 3blade? whats the pros and cons of each? i want more topend.
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    84 blackmax 150 cleaning???

    ive got a 84 150 and im going to be running it in saltwater for a couple of days had a thread and though i was told everything i need to do. well i was at a little going away party and talk to a mechanic he said i also need to take the cowl off and spray the motor down with water after i take it...
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    freshwater motor in saltwater?

    ive got and 84 blackmax 150 on my boat and we are going to take the boat to flordia to go up a river and swim with manates the river we are going to be on is all freshwater but me and a couple guys want to take the boat out to the bay to do some fishing what do i need to do before and after the...
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    whats it worth?

    i have a merc 1990 40hp 4cyl 2stroke that runs perfect. starts every time was oil injected but the po took that off. just wondering what these motor are going for now because i would like to sell it now that i have another boat and no longer need that motor.
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    pros and cons of blackmax 150?

    i am currently looking at 2 diffrent bassboat and both have blackmax 150s on them. idk the years but i know one needs a starter the other is water ready. is there any things i need to look for when we test run it?
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