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    Mystery Part found inside engine compartment

    I was just performing some routine maintenance on my boat and noticed this small, seemingly very precision, piece of metal. I'm not very familiar with Outboard Motor components but is sure looks like some type of carburetor component. It has a tapered front and is broken near the back knurled...
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    Why does my Johnson 90 have cold-start issues once in the water?

    Hi everyone and thanks in advance for any advice you may have! So, I've only only this boat as of this year, had it out for the 5th time this last weekend. I'm noticing it starts immediately when out of the water (using water-muffs, of course). I always test-start before heading out on the...
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    1995 Bayliner, trying to find replacement Bimini Top

    Hello everyone! I'm having a hard time locating a Bimini Top that fits my original equipment. I see many different styles that can be retro-fit to this boat but I'd much rather prefer the OEM style and fit. Anyone know where I might source one? Thank you so much!
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    95 Bayliner 1700LS with '86 Johnson 90, only getting 5,000 RPM...prop looks terrible.

    Hello everyone & thanks in advance for your thoughts! I'm new to Speed Boats but have done some digging around the iBoats forum and looks like my J90 should be getting more like 5,800 at WOT. (I'm only 5,000) I thought I'd address this while I investigate a potential prop replacement. I hit...
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    1986 Johnson 90 (60 or 90 degree??)

    Hi everyone, In trying to locate some NGK spark plugs and don't want to reference the previous owners plus he installed (some odd surface gap plugs, no idea if those are correct). I'm encountering the option of 60 or 90 degree when attempting this search. Anyone know what anyone degree I've got...
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    1986 Johnson 90 (J90TLCDC), Need Spark Plug Recommendations

    Hi everyone, I'm very new to the Outboard Experience and was really surprised to discover a spark-plug style which I've never seen in my 30-plus years of Auto-Wrenching! My Johnson 90 has "surface gap" plugs, very interesting...I learned these are good for engines which sustain high RPM's for...
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    75W 90 Full Synthetic for '86 Johnson 90?

    Hi everyone, I'm a real nube with outboard motors so I'm trying to be VERY cautious when doing anything. My motor specs 80w 90 for the lower gear case but I couldn't find that in full synthetic. I read you could substitute 75w for the 80w if it's full synthetic. Can anyone here confirm that...
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    Compression Testing '86 Johnson 90, cold or warm?

    Hi everyone, quick question, should I check compression with engine cold or after warmed up? I previously did this cold, all readings at 90 with one at 86. I have had the boat only a short time and it runs very well once started. On my 4th outing, last weekend, I had issues with cold starts...
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    Need Ship-to-Shore Radio recommendation

    Hi everyone, I'm very new to boating, recently purchased a 17' Bayliner Speed Boat. Due to a lot of rain all the lakes near me are closed due to high water so we're looking at launching into our local Lake Michigan. I don't currently own a VHF radio but feel this would be a great idea. I'm...
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    '86 Johnson 90, newbee question, what is 2-stroke oil ratio? (VRO removed)

    Hi everyone! My wife recently purchased an old '95 Bayliner 17' with an older Johnson 90. It's had the VRO system removed and the previous owner sold us a full tank of premixed gas. He said, "just ask autozone what oil and ratio to use". I tend not to rely on any good advice from the modern-day...
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    1986 Johnson 90, can I use top-engine cleaner on a 2-stroke?

    Hi everybody, I'm new to the forum and speed-boats, in general. My wife recently purchased an old Bayliner 1700 so I'm going through it a bit to make sure it's water-worthy. It's running a 1986 Johnson 90 that's VRO has been disabled (we're running pre-mix). We've had it out once, it did pretty...
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