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  1. jslu

    Fuel pump rebuild

    1989 Mercury, 35 HP, SN# 0C120583 This Merc has the "square type" fuel pump. I purchased a Merc rebuild kit, # 21-857005A, and proceeded until I discovered ambiguous instructions as to how to proceed. This has to do with the two check valves. In my factory Merc manual it shows each valve assy as...
  2. jslu

    Can not open thumbnails

    anyone know why i can not open attached thumbnails?? I can no longer view image posts i had previously made??
  3. jslu

    temp switch gasket ??

    1989 merc 35 hp 0C120583 I'm reconditioning this old Merc which seems to run fine at first try on the muffs, but I did notice a water leak at the temp switch in the head. I removed the switch and discovered that it had no gasket. The design of the switch and the machining of the head leads me...
  4. jslu

    1990 starcraft select 150

    Two years ago I purchased a used 1990 Starcraft Select 150 bow rider with a fiberglass hull. It looks like it was all part of a "promotional" package with an excellent 1990 galvanized trailer with Starcraft Logos complete with a 1990 60 Hp merc engine with tilt and trim. At that time Starcraft...
  5. jslu

    Thermostat

    1987 merc 35hp SN 0b177575, which I've had for 2 years now. I've been wondering about this for some time. Why did Merc elect not to install a thermostat for this engine???. A part #.is not listed for one. To me it makes sense that a gasoline engine has an optimum temp operatimg range for best...
  6. jslu

    See thru fuel filter

    1987 35 hp mercury s/n 0B177575 Recently I replaced the original (?) fuel filter in this engine with a see thru aftermarket device mounted in a vertical position. When priming with the squeeze bulb, the filter became full with fuel. After starting and running at fast idle, additional fuel came...
  7. jslu

    primer bulb

    Once the primer bulb is squeezed to hard, should it always remain so during normal engine operatioins?
  8. jslu

    Carburetor Screen

    My Mercury engine is a 1987 35 HP, SN # 0D177575. The carburetor parts breakdown for this engine shows a coarse grid plastic carburetor screen (no longer available) at the throat of the carb. My engine does not have this screen. What was it's purpose?? Reason for my question is that this engine...
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