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  1. dingbat

    Got electrocuted when touching cylinder?

    And here I thought it was a right of passage to have your older sibling (me) tell you (my little brother) hold the spark plug lead on the mower while I pulled the rope...lol
  2. dingbat

    Heat

  3. dingbat

    Got electrocuted when touching cylinder?

    High voltage is generated in the coil and transferred to the spark plug via the plug wire. If a coil is shorted to ground, it can't generate high voltage. If the plug is shorted to ground (cracked insulator) the plug would misfire and the motor would not run properly, if at all If the plug...
  4. dingbat

    Got electrocuted when touching cylinder?

    Depends on where you touch.... The high voltage in the ignition system has no problem jumping a 1/2" air gap. Get your hand within 1/2" of a high voltage component (coil, plug wire or spark plug) with a ground issue and all bets are off. It's a good practice to stay clear of any and all...
  5. dingbat

    Stainless Prop Film

    Stainless has very good resistance to alkaline attack. Would require polishing to restore the shine. Seeing it came off with CLR, I'm guessing calcium or lime buildup depending on what part of the country he is in.
  6. dingbat

    Stainless Prop Film

    Combination of hot exhaust and minerals in the water. Check to make sure you don't have a cooling problem with your motor.
  7. dingbat

    Am I getting water of of fuel path Properly 150's J150VXCIS 2001 carbed 150'

    Mine were too....but vacuuming 2 gallons of water off the bottom of the tank, two days in a row said otherwise...lol What motor(s) are you running that don't monitor and alarm fuel delivery vacuum internally?
  8. dingbat

    Am I getting water of of fuel path Properly 150's J150VXCIS 2001 carbed 150'

    Separators vary from 90 to 99% efficient of removing water from the fuel depending on filtration methodology. Some simply use gravity to seperate water from fuel. Others use a combination of gravity and a specialty treated filter paper as second stage filtration. Having said that, once the...
  9. dingbat

    1991 mercury sounding rough? fixes?

    The only place you have pressurized water in this location is the water tube (pipe) running between the water pump in the lower unit and the power head. Typically use a rubber seal to seal the connection. If you haven't changed the water pump assembly, it's time now
  10. dingbat

    Bilge pump wiring

    In hindsight, I should have clarified by stating the use of a SPDT switch.
  11. dingbat

    Stainless Prop Film

    It's mineral oxidation. Heat (exhaust) combined with minerals in the water (hard water) cause it. Muriatic acid will remove it
  12. dingbat

    200 hpdi compression. Good or no good

    You run tuner at idle. Let it sit, preferably over night, then put it in the water and run it hard to blow things out. Make sure you add ring-free to the fuel per the manual. Good VST maintenance is a must with these motors Ran twin 150s for a guy for a number of years. Good engines but are...
  13. dingbat

    1991 mercury sounding rough? fixes?

    The only portion of the leg of the motor that is sealed is the gearbox. Everything else is open to atmosphere to facilitate drainage as evidenced by the hole the water is coming from The only way to get pressurized water in that location is a compromised water tube or a leaking exhaust chamber...
  14. dingbat

    1991 mercury sounding rough? fixes?

    Not hearing or seeing anything out of the norm for an outboard of that era. The water is a different story. Don't know that particular motor, but I would check to make sure water tube from pump isn't rotten out and or the rubber grommet is missing or damaged if it has one
  15. dingbat

    Spray from the outboard

    I would expect a lot of spray given it looks like your ventilation plate is 1" or 2" higher in the front than the back
  16. dingbat

    200 hpdi compression. Good or no good

    Within 10% is the quoted norm 119*0.9 =107 You can run some engine tuner through it to see if you have stick ring(s). Otherwise, your options are a rebuild or run it until it dies and start over
  17. dingbat

    Bilge pump wiring

    Still don't understand your logic. I'm using a 2 position, 3 way switch. The exact same functionality as yours. It's either in auto mode or manual (running) How do you prevent yours from being left in run position when you leave the boat?
  18. dingbat

    Tell tale getting clogged '96 200hp Oceanrunner

    Must be a light boat. Flow Scan = 31 mph @ 4400 rpm = 1.9 mpg in good conditions. That works out to roughly 16.2 gph. In the rough I've seen 1.2 mpg
  19. dingbat

    Bilge pump wiring

    Good engineering practice dictates not powering a circuit from multiple power sources. Too many things can go wrong Prefer to wire a single power source to a dry location (back of switch) then use the 3 way functionally of the switch to distribute power as needed Not sure I understand......why...
  20. dingbat

    Tell tale getting clogged '96 200hp Oceanrunner

    The attachment is from the Owner's/ Operator's manual. I'll look in the OEM service this evening. Never bothered to look there since the Owner's manual had instructions on it's use. Like I said, I put 1500+ hours on the first power head before the water passages in the head eroded out...
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