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  1. Simoniz

    Faria Voltmeter repair possible?

    The needle on the voltmeter (Faria part no VP7063A) on my 2001 Bayliner 175 is sticking, probably due to moisture. Can it be disassembled (and reassembled) for repair, or is it shot, and I so, where could I get a replacement at a reasonable price please?
  2. Simoniz

    Alpha 1 Gen 2 drive ratio?

    Im sure this has been asked / answered before, but Ive had a look and cant see an answer to my specific question. What is the drive ratio in my Alpha 1 Gen 2 drive, coupled to a 3.0l Mercruiser engine? Year 2000, Engine No OL634881, cant find the drive No, is it stamped on somewhere?
  3. Simoniz

    Alpha 1 Gen 2 seal location

    Does the thin section o ring which seals the top cover on the driveshaft housing go here, or here? I’m thinking upper location (A), but just want to check to be sure.
  4. Simoniz

    Alpha 1 Gen 2 Drive shaft housing oil seal compatibility.

    Ive got to replace the lower (Driven shaft) oil seal on my Alpha 1 Gen 2 Outdrive, Engine no OL 634881. Having disassembled the drive shaft housing, and removed the old seals, Ive discovered that my drive has 2 separate seals installed back to back. The seal kit which I have, part No...
  5. Simoniz

    Wires on trim posn sender frayed.

    The wires leading to my trim position indicator (A1G2) are frayed. I’ve not removed the cover yet, but if I do, can I trim the wires and re attach them? There seems to be plenty of length of wire.
  6. Simoniz

    Alpha 1 Gen 2 Drive Shaft Housing, Lower oil seal replacement?

    I’ve separated the grat. case from the drive shaft housing on my Alpha 1 Gen 2 outdrive, and the spring from the drive shaft housing lower oil seal has come out with the gear case input shaft. Can I replace this seal from the ‘outside’ or do I have to disassemble the entire drive shaft housing...
  7. Simoniz

    3.0l Alpha 1 Gen 2 low speed overheat

    My boat is craned in and out of the water for the summer and winter seasons, so its a bit difficult and expensive to get it on dry land for maintenance at ad hoc times during the summer. Despite this, Ive neglected to replace the (OEM) raw water impellor for 4 years and now that the boat has...
  8. Simoniz

    Diesel oil in Merc 3.0l?

    Ive got some 10w40 turbo diesel engine oil left over from when I last had a diesel engined car. Can I use this in my Mercruiser 3.0l petrol engine No OL634881? We know any grease is better than no grease at all 😀 but does the same apply to engine oil?
  9. Simoniz

    3.0l Thermostat questions

    Took my boat out today and managed to run it aground slightly, luckily only at idling speed and the lake bottom is basically mud mixed with a bit of sand. We pushed the boat off the sand bar and I had a look round and there was no damage to prop or skeg, and all the trim and steering seem ok...
  10. 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...
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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)?
  18. 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...
  19. 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...
  20. 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...
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