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  1. jimmbo

    Steering Wheel for Tiller Boat?

    40+ years ago, we had a couple of the 14ft Deep Fisherman. They would often Porpoise when there was only one person on the boat. Moving the tanks as far forward, and keeping the anchor and other ballast to the Bow reduced it.
  2. jimmbo

    small hole on reed plate?

    Some people live by, If Enough is Good, More is Better, and Too Much is just Right
  3. jimmbo

    small hole on reed plate?

    Close to 50 yrs ago, I stripped the Spark Plug hole on my dad's 40hp Johnson. He took the Head off and had an insert put in. Putting the Head back on, he liberally coated the Head Gasket with Permatex 2. That year, we had the Over Heat lamp come on many times. Lots of Water was coming out the...
  4. jimmbo

    1975 Johnson Stinger

    Yeah the 15" models used a smaller Case than the 20"ers. At 1.5 hp/cubic inch, the 75 was really pushing the limits when it came to an Outboard that could be used for all around boating. Mercury's I6 150hp was the same, great top end, but a bit mushy at the lower rpms. As mentioned above, fine...
  5. jimmbo

    Froze up 25 hp 5842749 serial no.

    Jamming as in Jammed Up or as you called it, Froze
  6. jimmbo

    Just thought I'd share a nice photo.

    That happened in Mar 1998. I rolled it in Northern Alberta, north northeast of Slave Lake. I took the pictures, it was still running in the one shot. It was now facing the opposite direction I had been travelling. Another vehicle was about a minute behind me, and had stopped before I had even...
  7. jimmbo

    Just thought I'd share a nice photo.

    Some of my handiwork
  8. jimmbo

    16ft Glasspar w/65hp 2 stroke

    I forgot to comment on that part Material will certainly affect Performance. Bronze, Steel, Stainless Steel, permit thinner Blades, which are more efficient than those made of Aluminium. They also enable the Prop Engineers to design Blade Geometry that is also better. There is a Price, and not...
  9. jimmbo

    Just thought I'd share a nice photo.

    To quote Lou Grant: "I hate snow, I don't like its Colour, I don't like its Texture, I don't like its Temperature."
  10. jimmbo

    1967 Evinrude Speed Twin 9.5

    That motor was never intended to be Hopped Up. As Racer said the Later Reed Plate might give you a bit more. If it gave more than 2/10mph more, I would be surprised.
  11. jimmbo

    At a loss

    Take a look around the Linkages, are there any spots where any Wires that part of the Ignition are in contact with the Shift or Throttle Linkages? That also goes for the Control unit at the Helm.
  12. jimmbo

    Froze up 25 hp 5842749 serial no.

    You are likely correct, I was thinking of the OMC 25hp for some reason.
  13. jimmbo

    Froze up 25 hp 5842749 serial no.

    duplicate post
  14. jimmbo

    Froze up 25 hp 5842749 serial no.

    "not real high rpm"... Not 'real high' might be seen different to you than to me. These motors really shouldn't be run above 2000, perhaps even lower, when under no Load. First step is remove the Spark Plugs and see if water drains out of either Cylinder. If it does, spray copious amounts of WD...
  15. jimmbo

    At a loss

    One minute is a Tank, cause the Lakes are Frozen, then it is a Pond. I think a Pond would freeze sooner than a Lake... There is an Ignition Interrupter Switch on the Mercrusiers to make it a lot easier to shift out of Gear, perhaps it is sticking a bit and that kills the engine
  16. jimmbo

    At a loss

    Is it dying as it slows down and remains in gear, or are you shifting to Neutral as it is Slowing down?
  17. jimmbo

    At a loss

    I doubt the prop had a Solid Bite on the Water unless the Tank went under the Trailer and allowed a free flowing path for the water to get to the prop. Tank testing in gear is very limited. Have you got the Mercury Service Manual for it? If Not, then get it. Give me a Carbed engine with a...
  18. jimmbo

    At a loss

    So you were revving it it up to WOT in Neutral, or was a Prop Turning?
  19. jimmbo

    Froze up 25 hp 5842749 serial no.

    Did it suddenly quit, or did it slow down and then quit? Or did you shut it down, then tried a day or two later and it was seized? How high were you revving it in the Barrel?
  20. jimmbo

    At a loss

    A big tank? Do you have a Marine Dynamometer hooked up to it?
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