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  1. C

    bogg-down

    Have 91 merc 135, when in neutral reves and runs great, when put in gear and given gas boggs down and dies. Any suggestions, I did notice that the little trim tab on foot was missing and water was coming up through the whole, could this choke it down?
  2. C

    merc 135 overheats

    I have a 91 merc 135 that overheats after about 2 minutes at cruise speed. Water spray out the tel-tel seems good(as good as the other one, I have a twin setup). Water pump is new, poppet valve looks ok but I don't know how to check it exactly. I took the poppet out and took it apart and looked...
  3. C

    oil gas mix

    Have twin 135 mercs is it possible to bypass the oil enjection system and run a 50 to 1 oil gas mix? If so how and what do I get rid?
  4. C

    foot removal

    any suggestions on how to get a merc 135 foot off without damaging it? have all nuts removed and will not come loose from front end. Have tried to pry a little but don't want to damage it. the front bolt that comes up through the front is pretty rusted and I have sprayed PB in hopes that it...
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    poppet valve?

    what does this thing do? How do I check it? Does the water come straight from the foot to the t- state and then flow to the rest of the engine and back through the poppet to cool the exhaust and foot at higher rpm's? The manual I purchased doesn't explain these things. 135 91 merc. I see exhaust...
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    compression

    does nyone know what the compression is suppose to be on 91 merc 135 outboads. motor wont start until i take one sparkplug out and ground it to the motor. found this out while checking for spark, don't understand, at a loss
  7. C

    year of motors

    Not positive on year of twin 135 merc (think 91)<br />SN# 0d024043 and 0d008074
  8. C

    rapid beep warning sensor

    have twin 135 mercs both run, thought i had a continuous beep but don't, have four beeps in run position, and after starting have a rapid beep that doesn't quit...need some help here. have pulled cap and wires off one that doesn't beep and put on other and still same results....
  9. C

    Continuous warning beep

    Have twin 135 mercs both run fine but one of them when I turn the key to run does the normal beep beep beep and then gose of. When I go to start and motor is running I get a continuous beep. This happens as soon as the motor is started, there is know way that it could be too hot yet. Help!
  10. C

    Counter Rotation

    Just purchased a 24' star craft with twin 135 Mercs (not counter rotated) is it necessary to counter rotate, or can I get away with it like it is? Been told trim tabs work.(?)
  11. C

    Counter Rotation

    Just purchased a 24' star craft with twin 135 Mercs (not counter rotated) is it necessary to counter rotate, or can I get away with it like it is? Been told trim tabs work.(?)
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