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  1. Simoniz

    Mercruiser 3.0 Exhaust ?

    You might also want to put a new clip or cable tie on the gear shift bellows, where the old one has rusted away.
  2. Simoniz

    Gear Oil, change or OK to check?

    Ive not used my boat all that much this year, 10 - 15 hrs or so. Is it really necessary to change the gear oil or is it sufficient to loosen the plugs and let a little drain out to check for water / oil emulsion? (Alpha 1 Gen 2 behind Merc 135hp.) Cant help but think of my car which according...
  3. Simoniz

    Trim solenoid same as starter slave solenoid?

    Hi, my boat (3.0l mercruiser year 2001), had an issue with the slave solenoid a couple of months ago, so I replaced the solenoid with another which I had in my shed. Now the starting problem is back, clicking solenoid, starter only engages intermittently but always OK if I short the two...
  4. Simoniz

    Mercruiser 3.0l starter motor problem.

    Hi All, been a while since I was on here as my boat has been running sweet, but its just gone back into the water after the winter break and now Im having a bit of trouble. At first the battery (which has been off the boat all winter and regularly charged) would hardly turn the engine over, so...
  5. Simoniz

    Alpha 1 Gen 2 Outboard water hose

    So my dealer has the parts I want to refurbish my sterndrive, but the piece of hose which carries cooling water from the bellhousing to the transom is out of stock. Is there anything special about that hose, or can I just get a piece of automotive heater hose cut to the correct length and use...
  6. Simoniz

    Compression test, hot or cold?

    Hi, Before I go mad and pul the head off my Mercruiser 3.0l year 2000, Eng No OL 634881, Im going to do a compression test on it. Ive looked around on here and seen various figures for compressions, but no officlal numbers, so what shopuld they be please, are they measured with engine hot or...
  7. Simoniz

    OK to run boat for a minute without cooling water?

    As described elsewhere, my Bayliner with 3.0l Merc had a slight overheat a couple of weeks ago when the outboard cooling hose failed. Its being craned out of the water on Friday, is there any problem with driving the boat 50' from its mooring to the dock where the crane will be, should take no...
  8. Simoniz

    Time for some maintenance (general waffling)

    So, I look after my boat quite well, but Im aware its probably due for some TLC. Its a 2000 model Baylner 1750 with 3.0l Merc, Alpha 1 Gen 2 drive. Spent its first few years of life in the sea but has been run in freshwater for the past 12 years. All bellows and water hose were replaced about 10...
  9. Simoniz

    Can I mix 25w40 with 15w40?

    Ive got Quicksilver 25w40 mineral oil in my Merc 3.0l motor right now, do you think it would be OK to top up with some 15w40 marine oil which I have (made my Liqui-Moly, by the way)?
  10. Simoniz

    Alpha 1 Gen 2 Oil filling

    My boat is currently out of the water, and I need to refil the outdrive with oil. I only have just over 1 litre of oil at home and where I live, Merc High Perf Gear Oil is quite expensive. Ill be making a trip to the US where I can buy the stuff much cheaper, but not until after the date when...
  11. Simoniz

    Incorrect link in How To Stickies.

    In the section, Adults Only/Mercruiser Information/HowTo/Replacing Merc Alpha Style Impellor, there are 2 links, One entitled MC1 to Alpha 1 up to and including 1990, and Alpha 1 Gen II only 1991 to present. Unfortunately both links lead to the same info, that for the MC1 to Alpha, ie there is...
  12. Simoniz

    Alpha 1 Gen 2 Lower unit removal

    Hi Im trying to separate the lower unit from the upper unit on my Alpha 1 Gen 2 Outdrive, S/N OL 634881 in order to renew the impeller. Ihave removed all 6 bolts and the lower drive has separated from the upper by about 1/4 inch, such that the dowels have disengaged but the lower unit wont come...
  13. Simoniz

    Lesson learned about boats...

    Took my Bayliner 175 out for a run yesterday with a couple of friends. It had been raining all morning but was forecast to clear up in the afternoon so I insisted that the trip was on and that the weather would get better. By the time we got to the boat the rain had stopped and once we got out...
  14. Simoniz

    Bayliner 175 question

    Hi My 2000 model Bayliner 175 has a kind of slot on each side of the inside of the boat where the rear most 2 seats are. The slots are about 3/4inch high and 10 inches long about 4 inches below the sides of the boat and have a plastic surround. What are they for? My best guess was that it was...
  15. Simoniz

    Humminbird Piranha Max 10 fault

    My Humminbird Piranha Max 10 depth gauge / fish finder has suddenly stopped working. Theres power to the unit and pressing the on button makes a beep but the screen stays blank. Is there anything I can do?
  16. Simoniz

    Have I ruined my Battery?

    My boat is out of the water for the winter and the battery is at my house. I connected a lightbulb to it to allow me to see in a dark corner of my cellar but forgot to disconnect the bulb and it flattened the battery (bulb filament was just glowing a dull orange). Simce then Ive charged the...
  17. Simoniz

    Alpha 1 Gen 2 seals.

    Im trying to decide if my Alpha 1 Gen 2 drive unit is pressure tight or not. Ive made a pressure test rig out of a few bits of pipe, a tyre valve and a plastic threaded fitting but Im not sure if the threaded fitting is sealing against the drive. Bond O kindly advised putting an o ring against...
  18. Simoniz

    Outdrive Pressure Test Questions.

    Ive made up a rig to pressure test my Alpha 1 Gen 2 outdrive (car tyre valve, pressure gauge, tee piece and some piping). The bit that is to screw into the outdrive is an outdrive oil filler nozzle from one of the plastic filling pumps. This has only a plastic thread on it, will it seal or will...
  19. Simoniz

    Used drive oil colour and pressure test.

    Ive drained the Quicksilver high performance gear oil from my Alpha 1 Gen 2 outdrive after maybe 30 hours of use this summer and its a pretty dark opaque colour. Putting a small sample in a glass vial and looking at it it just looks dark and a bit cloudy. If it had water mixed in with it then...
  20. Simoniz

    Impellor change - Merc or GLM?

    Ill probably be changing the impellor this winter in my Alpha 1 Gen 2 drive as the one thats in there will have done 3 seasons. I have a GLM impellor in my cellar but Ive heard that GLM had some bad press in the exhaust manifold and riser dept. Anyone know of any quality issues with GLM...
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