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  1. jimmbo

    Evinrude manual says no “premium” oil??

    From the 1964 Johnson Brochure I'm in the process of looking for my 1965 90hp Owners manual
  2. jimmbo

    Adjustment advice (Pictures Inside)

    Auto Centering Rollers? The only places I've seen auto center rollers are on trailers like EZLoader
  3. jimmbo

    Bunk vs transom relationship

    Another pic of mine, taken immediately before the one above, it shows both the chine and outer strake both out of the water at the transom Where on the hull do the bunks make contact? From the keel to the strake, the hull should be straight, and the bunks should go to the transom. If the bunks...
  4. jimmbo

    Bunk vs transom relationship

    That molded-in Hook is along the chine. Many hulls have that, it helps plane boat quicker. As the boat speed rises the hull rises out of the water and the hook is no longer in the water, except when the hull banks on turns. If you put a straight edge lengthwise against the hull along the Keel...
  5. jimmbo

    New Memeber with a 1978 Merc 900 - Starting/Running Probs.

    My first merc was a 78 90hp, also on a 15 1/2 ft Crestliner Cruisader. 20 yrs after I traded it, it is still my favorite. A 78 would not have an inline fuel filter, it had a screen on the fuel pump inlet. An inline filter, if up stream of the fuel pump, can cause fuel delivery problems Try...
  6. jimmbo

    2001 Johnson 115 are they good or like the earlier 175's

    There were 115 FICHT Johnson's
  7. jimmbo

    Type C vs HiVis

    Type C was renamed Premium Blend in 1973
  8. jimmbo

    How do I remove 56 Johnson Javelin carb??

    FInal Hi Speed Mixture and low speed mix will need to be done in the water From a 1958 35 seahorse owners manual
  9. jimmbo

    How do I remove 56 Johnson Javelin carb??

    Hi Kathy Watching the second video, I will say you have the collar set to contact too soon. All the timing advance is supposed to be completed at the point of contact with the collar. The last paragraph on the page I sent you(post 88) explains the procedure. Here is here is a repost with the...
  10. jimmbo

    1985 90HP Merc Inline 6 Outboard - Opinions?

    That cowl says 86, the 85s had ugly brown stripes I had an 84 115, for 14 yrs. While it was far from trouble free(carb flooding, switchbox, trim pump motor, and bogging) it is still my favorite engine The 90s were great engines for low end torque. and you are correct bout them running out of...
  11. jimmbo

    How do I remove 56 Johnson Javelin carb??

    Reeds. Reeds don't break very often, when they do, the engine runs very poorly, like a dead cylinder type run, spits gas back out carb. They can also do a lot of internal damage, being a very hard metal. Regarding the sync issue. Here is a later 3rd party service manual excerpt Edit: Scott...
  12. jimmbo

    78 Johnson Trim Leaking

    You need to use a Tubing Wrench. it looks like a 5 1/8 sided box end wrench. These wrenches will prevent rounding of the Hex. You might have to do some customizing of the wrench to get clearances needed
  13. jimmbo

    How do I remove 56 Johnson Javelin carb??

    You have a RD-18, this page references RD 16 and up. RD 19(1957) is different http://162.144.28.33/lib/johnson/man...nson.html#/162 You may have accessed this manual earlier. If not you will find a lot of info. The cable end, looks like the set screws that grip the core cable came loose and...
  14. jimmbo

    Fuel mix in Johnson JH 19A? 1:50 or 1:24

    The label says 1/3 pint which is 24:1 Model # says 1964 In 1964 Johnson saya all engines use 50:1, no mention of Johnson oil(didn't exist yet), just "a reputable outboard motor oil or a regular SAE 30 grade automotive engine oil" Maybe this is a pre 1964 motor, or cowl, sitting on a 1964 stern...
  15. jimmbo

    Potential of wake surfing behind an I/O with prop guard? (as of 2018)

    You mean this drive It would make a great trencher, as when it is fully tillted up, it needs deeper water than when it is fully down> This one unit you can rarely bring to shore. A real pain to trailer too
  16. jimmbo

    General prop question

    There are plenty of differences between various props, brands, and models. To a lot of people, a prop is a prop, they all look the same. Well they are not. BRP makes some really good props, and so does Mercury. They, in my opinion, actually make the best props for recreational boating...
  17. jimmbo

    Which bowrider is best?

    My favorite little bowrider was a 78-79 Crestliner 550, with a prop rated 90 they could hit about 40 - 42 mph
  18. jimmbo

    1981 Johnson 25hp prop help

    I have never heard of a 14" pitch prop for that engine. The engine was shipped with an 11" from the factory, the range offered by OMC for that engine stopped at 12" We had a 79 25hp on a 14 ft hull and we used the 11"
  19. jimmbo

    Performance data 1990 wellcraft eclipse 196

    "and then had the bright idea that it needed extra cup or pitch. It looks like someone beat on it without pitch blocks and used an adjustable wrench and a steel hammer to work on it. The most high tech, sophisticated prop in the mercury catalog and you let a second rate hack beat on it. " Well...
  20. jimmbo

    Tilt Trim not working 1975 Evinrude 115

    The old tilt system has 2 cylinders between the brackets, only one is a lift cylinder, the other is a shock absorber. I had posted this earlier but deleted it when you said the cylinders were external. The lowering of the engine when you apply throttle is normal, it is not designed to hold the...
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