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  1. 998cc

    Fitting longer fuel tank

    All. I have a 1972 Gulstream runabout that needs a new fuel tank. The tank sits dead center of the boat under the floor in the V. The tank is flat on top and has a truncated vee shape for the bottom. The problem is the replacement tank found online that is closest to what I need is about...
  2. 998cc

    No water to engine after new impeller. MC-1

    Any ideas here will be greatly appreciated. While chasing an engine miss at idle, I did a bonehead thing and ran the engine for a few minutes without turning on the water to the muffs. Running again with water showed no water out the exhaust, so I assumed the impeller was toast. I...
  3. 998cc

    1972 Mercruiser 165 Shifting Issue

    MC-1 outdrive: I just got this boat on the water for the first time this past weekend and found that it runs well. The only problem is with shifting into reverse--it takes quite a bit ot lever travel from Forward to Reverse, and it will only grind when getting close to engaging reverse...
  4. 998cc

    It's Alive, Mercruiser 165. 1972 Gulfstream

    It's been a long process bringing this boat back from the dead. All through the process of water in the engine oil to finding a new engine and rebuilding it, installing the bellows three times, to getting help ID'ing the parts needed, to learning that a certain commercially available manual...
  5. 998cc

    MC-1: Drive shaft bellows pops off bell housing when installing outdrive

    I am really confounded by this issue. The first time this happened, I assumed there was an issue with the bellows install. I took it all apart again, cleaned all the parts, glued, etc., etc., and reassembled. The second time, there is no question the bellows was on right. Drive: 1972 MC-1...
  6. 998cc

    Teleflex Steering Disassembly (1972 Gulfstream)

    Re: Teleflex Steering Disassembly (1972 Gulfstream) Solved!! Per attached photo: The sleeve was not a slip-fit as I presumed. The bolts in the photo hold the entire assembly, including the pinion. After removing the assembly it became clear the dash was also held in place by the wiring...
  7. 998cc

    Teleflex Steering Disassembly (1972 Gulfstream)

    Re: Teleflex Steering Disassembly (1972 Gulfstream) OK. My first attempt at uploading photos: Came out smaller than anticipated Bondo. I assume you mean cable as opposed to a pulley system? No pulleys here. Thanks. 998cc
  8. 998cc

    Mercontrol shift/throttle question

    Boat: 1972 Gulstream, 18' fish/ski boat. Mercruiser MC-1 with L-6 250 (GM) motor. First off, I have never driven this boat. It is a new-to-me boat that has been a restoration project since March 2013 The control unit is pictured in the Mercury Service Manual C-90-71707 on page 7C-4 and...
  9. 998cc

    Teleflex Steering Disassembly (1972 Gulfstream)

    Boat: 1972 Gulfstream, 18 ft. fish/ski boat. Mercruiser MC-1, 165 L6 (GM) motor. I decided to test/replace the dashboard gauges and need to remove the dashboard. I have run into a snag. After removing the steering wheel and removing the scroll type steering indicator, removing the two...
  10. 998cc

    Pre-Alpha drive bellows (help)

    All. I have the SELOC manual and have followed it. So far getting the new drive bellows on has been elusive. The Drive, Exhaust and Shift bellows are installed on the gimbal side OK; the bell housing side has been a bear. Drive Bellows: What happens is when pulling the bellows over the hub...
  11. 998cc

    Mercruiser 165 250 L6 Water intake hose material?

    All. I am installing all new bellows, shift cable etc. today and noticed my new water intake hose is kinking at the gimbal housing connection. I bought Goodyear 5/8" automotive heater hose thinking it would suffice. Is there a better spec for hose material?? Perhaps a good fuel hose or?? Drive...
  12. 998cc

    Help in finding transom gasket 1972 Mercruiser 165

    All. Sorry for this seemingly simple question, but for me it has been daunting. I Have looked high and low and cannot find the rubber gasket that goes between the outdrive and the boat. My searches all result in bellows kits and the drive/bell housing gasket. Am I using the wrong terminology...
  13. 998cc

    Mercruiser 165 (4.1 L6) Prop Pitch question

    :confused:All. I am continuing with my 1972 Gulfstream project and would like the benefit of your experience here. I understand the relationship of pitch to speed versus power but do not know the relationship of pitch and diameter as they relate to my specific needs. Looking online, finding...
  14. 998cc

    Mercruiser 165 Block Pressure Test results confusing

    Hello all. Thanks for reading this thread. I know this issue is covered elsewhere in the forum, but I am confused with the results of my block pressure test. I have water in the oil of my engine, a GM 250ci 6cylinder, yet there is no sign of air escaping air when pressurizing the water...
  15. 998cc

    1971 Mercruiser165 rebuild

    Hello all. I have determined that the engine in my new-to-me 1971 boat has a cracked block, and the stern drive will not engage in the forward direction. I was going to recycle the boat, but today, I found a complete 165 engine and stern drive on craigslist and hope to make one good setup from...
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