Recent content by Zteven

  1. Z

    Bennett Trim Tab Gauge Accuracy

    How accurate are everyone's Bennett Trim Tab gauges? Mine is not accurate at all and only reads through half the travel of the actuator. Is this normal?
  2. Z

    Burnt-Out Isolator - Alternator / Diode Isolator Amperage Ratings

    My diode isolator (as part of my electrical charging system in my new boat) has failed. The factory equipment is an Indmar 5.7 inboard with a 95 amp alternator, wired to a diode isolator rated at 70 amps, which in turn is wired to two batteries. (all of this is from the boat manufacturer)...
  3. Z

    Carb Flaot Level '90 150HP Black Max

    When tilting the carb upside down the mechanic has set the float level to the green line. Should it be here or at the red line? Currently the engine is coughing and sneezing at idle (650 to 1000RPM), but runs well anywhere above. All three carbs have been cleaned. Some gunk was found in the...
  4. Z

    Fuel Filter / Water Separator - To Install or Not?

    Here's the question: Would running a water separator after the primer bulb and an inline filter in the factory location ('90 150HP Black Max) put me at risk of a lean condition at WOT? Between reading the various forums I'm stumped: High Performance (S&F.com) guys say no to the water...
  5. Z

    Fuel Filter / Water Separator - To Install or Not?

    Here's the question: Would running a water separator after the primer bulb and an inline filter in the factory location ('90 150HP Black Max) put me at risk of a lean condition at WOT? Between reading the various forums I'm stumped: High Performance (S&F.com) guys say no to the water...
  6. Z

    Intermitent Voltage Drop - '88 Mercury 135HP

    Here's my problem: Voltage at the control box drops intermitenttly from the full 12V to ~5V. This is a problem because the control box does not have enough power to activate the starting solenoid when turning the key to crank and start the engine. If I hotwire the engine (key in on position -...
  7. Z

    Hydraulic Trim swap from '87 70HP to '88 135HP

    As the title reads "Hydraulic Trim swap from '87 70HP to '88 135HP" - can this be done? I have a trim unit for my 135 that has developed a 3/8" hole in the connecting passage-way between the two rams and therefore needs to be replaced. I can get my hands on a trim unit from a 70HP that has a...
  8. Z

    How to Install Water Pressure Fitting '88 - 135 Black Max

    Does anyone know where to install a water pressure gauge on a 1988 135 Black Max? I believe I have to remove the plug (circled in red in the picture) and install the fitting there, but I am not sure. The fitting to the gauge is 3/8" and the plug is ~3/4".
  9. Z

    135 Black Max - No Power Under Load

    '89 135 Black Max. Compression is 125 in all 6 Cylinders. Tested for spark and there is good spark on all 6 Cylinders as well. When I pulled the spark plugs they looked fine on the ends. There was a little bit or black residue from oil / gas. Nothing out of the ordinary. Fuel line seems to...
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