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  1. M

    Water Temp Question - Is this normal?

    While out on the lake, I was operating about 5 - 10 minutes at around 2500 RPMs. Came down pretty slowly {10 - 15 seconds} to idle and noticed the temp was close to 180 degrees so I shut it down temporarily and sat until it got back down to 165. The trim is not working as of yet on this boat...
  2. M

    Cable Adjustment - Forward Neutral Reverse

    I was adjusting both cables yesterday on the shift plate and could get the drive to engage fully into forward, but when I went to make the reverse adjustment and got it right, it kept pulling the forward adjustment out from engaging fully. Well, I finally got it where both engaged fully, but...
  3. M

    Merc Engine Idle and Shifting Questions

    I know my shifting cable is a little out of adjustment and can verify so as I can shift into Forward, but get no response from the drive. If I check the shoe on the drive it's almost dead straight, like a hair from being so. I had to adjust the upper cable for the new lower cable to fit properly...
  4. M

    Temperature Sending Unit - Mercruiser Inline 6

    Trying to find a temp sending unit for my Inline 6 165hp 250 CID. Found a couple of numbers on the part 12=V U10 --- 362-AJ. Gauge is a Stewart Warner. Stewart Warner doesn't recommend alternate use of gauge or sending unit with non-authorized part. Local NAPA can get the part, but the wait is...
  5. M

    Trim Cylinders Fully Extended - Won't Retract

    I just got the point where I was ready to test the trim getting it set and all. I had removed the trim connector to replace both upper hydraulic cables inside the boat. When I removed the connector and installed the new hoses, I'm pretty sure without a doubt, there's a lot of air in the system...
  6. M

    Alignment Tool Depth

    Having problems with aligning the drive. The tool shows even marks all around but seems to "bottom out" way short of where I figured it would. Should the tool at least go to the first depth gauge on the tool? The grease is where it is in the picture because that's as far as the tool goes in. I...
  7. M

    Merc Water Shutter Installation

    Getting ready to install exhaust water shutter. One side is flat smooth, the other side has some ridges of a sort. The water shutter fits in the old bracket ok with smooth side down, but when installed it seems to stay open about an inch on both sides. Is this normal when installing a new one. I...
  8. M

    Lower Shift Cable Replacement Issue

    I installed the new lower shift cable last night and everything went well, until when I installed the cable end onto the shift plate. The black plastic end piece on the lower cable that connects to the plate won't install/align properly w/ barrel slot (even when brass barrel is adjusted from...
  9. M

    Missing Gasket? Inline 6

    Was going over the engine yesterday evening and noticed that I have a medium size opening shown in the pic below where no gasket or seal is showing. I checked this area on the old motor that I pulled and it is also not showing a gasket or seal that is sealing this area. My first inline 6, so...
  10. M

    Rigging a New Trim Wire Harness Question

    I just rigged a new trim wire harness for my boat and came to the realization once everything was in place that I have four wires running out the hull for the TL/TS, but on the inside I only have two wiring harnesses to attach them to. One purple and one blue. How are these wired on the inside...
  11. M

    Hydraulic Hose Testing

    I pulled the trim hose connector yesterday evening and proceeded to remove the trim hoses from the: Pump to Hydraulic Connector and Connector to Reverse Lock Valve Hose. When I looked at them both, I could find no obvious blowouts, but one of them surely had one. Every time I would move the...
  12. M

    Installing New Gimbal Bearing w/ Two Slots

    My old gimbal bearing had no slots or cutouts in it. The new one does. I read on Mercstuff where it says they recommend inserting the new gimbal bearing with the cutouts facing aft. Does it really matter how it goes in? I don't mind using the slide-hammer myself to replace the gimbal bearing...
  13. M

    Removing Trim Cylinder Hoses

    I was at the ready to remove the trim cylinder hoses this afternoon, when I looked under the assembly inside the back of the boat and noticed that there is no room to get a wrench in there and remove the trim cylinder hoses. After looking at the OEM manual, which doesn't touch much on this...
  14. M

    Mercruiser Water Shutter Part Information

    I'm trying to identify the part number for the water shutter and related parts I need to install. Does the water shutter come as a kit to install on the y-pipe or do the parts need to be ordered separately? I had nothing here when I opened it up. What exactly do I need?
  15. M

    Pre Alpha Shift Cable Replacement Question

    From what I've seen so far, I can find no replacement for the pre-alpha shift cable other than buying an alpha shift cable and making the required adjustment to the bell housing to accept the threads of the new alpha shift cable. Is this anyone else's eye view or is there a pre-alpha shift...
  16. M

    Lube Drain on Outdrive Tough to Get Off

    I tried removing the drain screw on the outdrive and it is stuck in there tight and somewhat stripped by previous owner. Any tricks or hints other than drilling it out?
  17. M

    Oil leaking into exhaust passage in stern drive

    I've had the stern drive laying on its side for a few days before it got some attention and noticed gear lube?? leaking into the exhaust passage inside the drive (coming from the lower part of the drive) and slowly dripping onto the surface below. What seal am I to be looking for where the oil...
  18. M

    Replacing Discontinued Thru-Hull Trim Wiring

    My wiring harness for my trim limit switch and trim position sender have been "discontinued" and need to be replaced due to corrosion and I am looking to find a suitable replacement. The wire looks like a standard A/C electrical type wire. Double-connected wires to each switch. What type of wire...
  19. M

    Mercruiser U-Joints Bellows Parts Help

    I have a sterndrive serial number #4448631 for boat in my sig. I'm trying to lookup two parts to purchase. The 2 U-Joints and the U-joints or driveshaft?? bellows, but having no luck. Even a cross reference part number would be appreciated. Can someone help me ID the parts numbers so I can...
  20. M

    Leather-Like Washer and Lock Washer for Rear Motor Mounts

    When I took the motor mounts loose from the rear of the engine (Inline 6 - 250) I found one of the washer sets on one side sitting underneath the motor mount bracket, just hanging there. These are the washers that look like thick leather and lock washers are almost double a regular lock washer...
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