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  1. Replies
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    NO.

    NO.
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    That's Smartcraft Tachometer, Mercmonitor is a...

    That's Smartcraft Tachometer, Mercmonitor is a different instrument. Does he have an existing Smarcraft data cable from engine to dash? If not he will need one and possibly a junction box. His best...
  3. Same here. :yesnod:

    Same here. :yesnod:
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    Happens to me too...I blame it on age. :laugh: ...

    Happens to me too...I blame it on age. :laugh:

    Stoner as far as I know, no strainer on the EFI.
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    It's an EFI guys, no compressor. :wink:

    It's an EFI guys, no compressor. :wink:
  6. Thread: Proof!!

    by SilverFox579
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    It might turn dark some as it ages but doesn't...

    It might turn dark some as it ages but doesn't affect function. I buy Quickleen/Quickstor in quart bottles as I find them more convenient for my use.
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    It's in this FAQ topic - Oil, Battery, Spark...

    It's in this FAQ topic - Oil, Battery, Spark Plugs, Fuel and Fuel Additive Recommendations


    Don't take references to minimum octane to mean higher is better, it is not, it simply means no less...
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    Would we all be so graced Don would be swamped...

    Would we all be so graced Don would be swamped until eternity. :laugh:

    He has "touched" my Optimax, well, remotely. I shipped my rails, injectors, and reed plates to have him wave his magic wand -...
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    +1!

    +1!
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    As Don said, ethanol fuel in non-ethanol safe...

    As Don said, ethanol fuel in non-ethanol safe fuel line. I replaced my fuel lines shortly after joining BBC and learning about correct line for ethanol. The original lines in my boat had red or...
  11. All that does is prime the line from the remote...

    All that does is prime the line from the remote tank to engine reservoir, which you can do yourself. It is NOT an oil pump prime sequence which can only be done with the Mercury diagnostic tool or...
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    +1! My 150 Optimax was manufactured in 2008...

    +1!

    My 150 Optimax was manufactured in 2008 and I've never checked fluid level, if it works and doesn't leak, as Joe said - leave it be. :wink:
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    Do you have a Wal-Mart or West Marine in...

    Do you have a Wal-Mart or West Marine in Lexington? Quicksilver is Mercury's "non-Mercury outlet" brand and exact same oil in the botttle
  14. Yes indeed, always run the cocktail in ANY...

    Yes indeed, always run the cocktail in ANY Optimax - Oil, Battery, Spark Plugs, Fuel and Fuel Additive Recommendations
  15. You are in the correct forum for your 150 ProXS....

    You are in the correct forum for your 150 ProXS. :thumb up2:

    By your description you have an analog tach, many of which are notoriously innacurate. I highly recommend a Smartcraft gauge of some...
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    I'm not personally familiar with 1.5L Optimax...

    I'm not personally familiar with 1.5L Optimax lower so will defer to the pros for response.
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    Gap info is in this FAQ topic - Oil, Battery,...

    Gap info is in this FAQ topic - Oil, Battery, Spark Plugs, Fuel and Fuel Additive Recommendations

    .032 - .033 for 75 - 115hp Optimax. Post #4 in the previously linked water pump topic says 40in...
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    Step by step 1.5L Optimax water pump service...

    Step by step 1.5L Optimax water pump service complete with pics - 1.5L (75-125hp 3 cyl) Optimax Water Pump Replacement
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    As Savage said - no. Your engine won't benefit...

    As Savage said - no.

    Your engine won't benefit from higher octane. Problem is the how the statement is worded...minimum in this instance does not mean higher is better, it means no less than 87.
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    No. If that were true I'd have replaced lots of...

    No. If that were true I'd have replaced lots of fuel system parts years ago.

    Fact is, my Optimax still has the original pulse pump and black fuel line stub it left the factory with after 15yrs of...
  21. See Don got you squared away, Rhonda is awesome!...

    See Don got you squared away, Rhonda is awesome! :thumb up2:
  22. Are you using Quickleen in every tank of fuel? ...

    Are you using Quickleen in every tank of fuel?

    Spark plug info in the FAQ, for your non-ProXS it is NGK IZFR5G - Oil, Battery, Spark Plugs, Fuel and Fuel Additive Recommendations
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    There are no acceptable substitutes, and for...

    There are no acceptable substitutes, and for something as important as injectors, there's really only one choice - OEM.
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    Any Mercury dealer should have them in stock or...

    Any Mercury dealer should have them in stock or can order them for you, same for the belt.

    WHY are you replacing fuel injectors? They are not an annual service item and should not need to be...
  25. +3, step by step for the 2.5L Optimax water pump...

    +3, step by step for the 2.5L Optimax water pump is in the FAQ - Water Pump Replacement
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