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  1. sawblade723

    Aftermarket trim motor

    I just got this trim motor to replace the old square trim motor that recently stopped working on my 1986 Merc 150 XR2. It came with no instructions. The wiring I can figure out easy enough but where does the O-ring go that came in the plastic pack with the mounting bolts? All the other o-rings...
  2. sawblade723

    89 Merc 100 coughing at idle (video)

    Please watch the video below, the motor starts smooth but at 1:00 minute into the video it starts to cough. Does anyone know what would cause this?
  3. sawblade723

    '89 100hp L4 losing prime

    Trying to help a friend with a 1989 Merc 100 L4. When the motor is switched off all the gas flows from the hose back into the tank in only a minute or two. He has to pump the bubble every time he wants to start the motor. He also has to use the warmup lever every time to get enough gas to start...
  4. sawblade723

    86 Merc 150 XR2 powerhead removal

    Hi, I'm trying to remove the powerhead from my motor but I cant get it to seperate from the midsection. I removed the 10 nuts and washers, installed the lifting eye and picked up on it until the trailer nearly cleared the ground but it did not budge. I tried tapping a screwdriver between the two...
  5. sawblade723

    High water pressure and engine overheating

    Hi guys, a while back I posted about high water pressure in my 1986 Merc 150 XR2(15psi @ idle & 30+ @WOT). It was suggested that I verify my gauge accuracy so I purchased a new pressure gauge and added a temp gauge. Today I took it out and the new gauge reads the same as the old one and the temp...
  6. sawblade723

    Timing help please

    OK, I have removed the advance module from my 1986 merc 150 XR2 because of corroded wiring. My manual says timing should be 11ATDC throttle pickup - 26BTDC max - 22BTDC@cranking speed. With the module removed do I stay with these numbers or do I need to alter the timing to make up for the...
  7. sawblade723

    Humminbird Transducer leak

    I have a Humminbird 400tx with a transom mounted transducer. I recently noticed a black tar like substance leaking from the hole in the end of the transducer. Has anyone else had this to happen and will the transducer still work or should I be looking for a new one?
  8. sawblade723

    Outboard ID

    Can anyone ID my outboard by serial# and model#? Ser# b169328 model# 1150766 thanks
  9. sawblade723

    water pressure?

    What is the normal water pressure at idle for a '87 Merc 150 XR2. I just installed a new complete water pump and now I am holding 15 psi at idle. I have not run it on the water yet, only in a test tank.
  10. sawblade723

    87 Merc 150 XR2 exhaust Question

    Today I dropped the lower unit on my 1987 Mercury 150 XR2 to replace the water pump. I noticed that the old water pump and drive shaft was covered with a sticky coat of carbon and oil residue from the exhaust. Everything was black and very nasty. The old pump also looked like it had been very...
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