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  1. 8

    rocker in hull

    i have a 87 bayliner bass boat 18 ft with a 1998 merc 150 efi. i have had problems with the boat porpoising since i had it and had a hydrofoil on it to mask the problem. i have just found that there is a small section of the bottom of the boat that buldges out some on the back 3 ft of my boat on...
  2. 8

    stern lifting prop?

    i have an 87 bayliner bass boat with a 1998 mercury 150 efi and am running a 23 pitch ss mercury prop with a sting ray hydrofoil, and am at 4800 rpm. my problem is the boat porpoises with out the hydrofoil, even when trimmed down all the way i can not even make it over 30 mph. with the hydrofoil...
  3. 8

    what is the range my water pressure should run on a water pressure gauge?

    i have a 1998 merc 150 efi and am putting in a water pressure gauge and want to know what is good and bad pressure since i have never ran a gauge before?
  4. 8

    motor id help

    my brother just bought a 6cyl mercury outboard " v6" we tryed to run the tag on the motor to see what it was and can come up with nothing. the guy he got it from said it was a 1984 200hp. the # on the tag is 5321029. any help would be great. is there any other way to find out what this motor is...
  5. 8

    ram air on an outboard?

    i just had a thought, my brother has an evinrude 115. i think it is from the late 70's. i was wondering if you could build a ram air set up on that for more power like on a car? this was just an idea that poped in my head and i wanted to know if anyone had any thoughts on it?
  6. 8

    tach pole setting?

    i have an 88 bayliner with the us marine tach and up graded from a force 125 to a 1998 mercury 150efi. i need to know if i have to reset my tach. it has 1-5 or 6 on the knob on the back of my tach.:confused:
  7. 8

    low rpm knock, need advise

    i have a 1988 force 125, it has just started knocking at idol and lower rpm. when the boat is getting on plain and when i am at wot motor sounds fine. it starts and runs fine. it does seem to make some noise when power loading the boat on the trailer. this noise has just started happening the...
  8. 8

    reed valves?

    is there anyway symtoms that might tell you your reed valves are bad or goin bad or any way to check them without taking them out?
  9. 8

    motor up grade

    i have an 87 bayliner bass boat with a force 125, my tag says that the boat is rated for a max of 150hp. this maybe a dumb question but, does that mean any 150? i know that force was bayliners motor and they have a 150 but force motors have less hp than the motor says, like mine only pushes 88.4...
  10. 8

    87 bayliner trophy bass problem

    i have a 18ft 87 bayliner bass boat, with a force 125. if i have the motor trimmed all the way down the boat porposes, so i got a stingray hydrofoil and put it on. now the porposing is gone but it lifts the back of the boat too much and it cavatates. have no idea what to do! please any help...
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