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    Carbon Gard Shelf Life

    Is there a shelf life for Carbon Gard? I have an unopened bottle with intact seal in the OMC labeling, so I'm geussing it is a couple of years old.
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    Carbon Gard Shelf Life

    Is there a shelf life for Carbon Gard? I have an unopened bottle with intact seal in the OMC labeling, so I'm geussing it is a couple of years old.
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    Sparkplugs - 150 Johnson

    What sparkplugs work well in these OBs? What is the correct NGK plug?
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    150 Johnson

    I've heard that the 150 Johnson had some soft gears in 2001. How about the 2002 and up models, was there any problems in these year models? I have, what the dealer listed on the sales receipt as a 2003, but the decal on the OB has a manufactured date as 5/2002. Can this be a 2003 model? I...
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    Oil Choice

    A local store where we shop has the Johnson/Evinrude XD25 for $12.50/gallon and Pennzoil Marine Premium Plus for $10.00/gallon. Is the XD-25 worth the extra amount? If there is any advantage at all, I will go with the XD25. I see that Nissan and Tohatsu have only seven oils recommended for use...
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    Pinned Heads

    What is meant by this term, and why are there pinned and non-pinned heads. Were pinned heads introduced to solve some problem? Excuse my ignorance, but I would like to know.
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    2003 Johnson 150

    Are there any inherent problems with the 150 Johnson, and what measures can I take to help prevent the problem(s) from occurring? Is it necessary or recommended to change the plugs after the break-in period? Any advantage to running the FICHT oil? The dealer says the FICHT oil has additives...
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    V-4 & V-6 Info

    Is there any difference in reliability between V-4 60 degree and V-6 60 degree Johnson OBs? I see mention made of pinned and non-pinned head Evinrudes FICHTs; what exactly does this mean, and was this addition to address some problem? If so, what is the problem?
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