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  1. Jim Hawkins

    Help with Cavitation

    I had problems with my boat that was classic "motor too low" There was spray coming up and over the transom. Measuring I found my ventilation plate was about 2 1/4 inches below the keel. So, I redid the transom and raised the motor. The ventilation plate is still sometimes about 1/4" below the...
  2. Jim Hawkins

    Tachometer Question

    I want to hook up a tach to my 1987 Johnson 30HP. I don't want to mess with another disposable solid state tach and don't want to spend a lot. I'm looking at this on ebay, http://www.ebay.com/itm/281703748236?item=281703748236&viewitem=&vxp=mtr It says it works with most 4 cylinders but mine...
  3. Jim Hawkins

    Sizing old OMC control cables

    I need new cables for my old OMC style control (I like it and don't want to change it) however I'm unsure what length cables to get. I've attached a picture showing the route the old cables take which I think may be longer than needed. The existing cables are 6'. I suppose there must be some...
  4. Jim Hawkins

    Pvanv or Tohatsu Guru, quick question, please

    On my Tohatsu M55B is the flywheel nut reverse thread?
  5. Jim Hawkins

    Tohatsu M55B Check valve and cap

    I need to replace check valve and cap for the lubrication recirculation on my 55HP Tohatsu (1985) The parts diagram shows only the cap and check valve but when looking up the part # it gives new numbers and notes that 2 additional parts are needed - gaskets. Since the parts diagram does not show...
  6. Jim Hawkins

    Tohatsu M55B Power Tilt - stuck?

    Had this old motor given to me. Wrestled it up onto the motor stand after it had laid outside for a few years, evicted a rat and thought I'd see what it's status was. Primed both cylinders, wrapped a rope around the flywheel, gave it a pull and lo and behold it fired and wanted to run. I was all...
  7. Jim Hawkins

    1960's MFG Owners - Paint question

    I'm refinishing the inside of my 1964 MFG. I have sanded the sides and believe the turquoise colored finish on the sides was paint and not gelcoat. It sanded off very easily. For ease I want to repaint the sides the original color possibly a 1 part polyurethane. The deck however, I...
  8. Jim Hawkins

    1997 Mercury 25HP - Ignition problem

    Hello, like the title says I'm having ignition problems with my Mercury 1997 25HP, no spark one one cylinder. I have swapped coils and confirmed the problem is not the coil. First, the parts diagram for this motor shows a "Switch box". The ISSUU - CDI Electronics Practical Outboard Ignition...
  9. Jim Hawkins

    Remove cylinder head cover 30HP Johnson 1987

    Motor sometimes runs hot even though peeing strong so I want to check thermostat. I have all the bolts out but the cover is stuck on pretty good. My first guess is to pry it off by gently tapping in several screw drivers between the cover and cylinder head assembly until it pops. Is that the...
  10. Jim Hawkins

    Removing topcoat 1957 CrownLine

    I want to repaint my old CrownLine runabout. It currently has a topcoat of questionable material that is flaking off. I have removed most of it by the method that worked best, a flat razor. What's left will take forever using a razor. Paint remover doesn't work very well either. I don't want...
  11. Jim Hawkins

    Johnson 30HP water hose question

    Still tweaking this motor, I have a T fitting on the hose that leads to the water indicator pee hole. The hose that comes off the bottom of the T went nowhere but sprayed water so I capped it off. I don't know what this hose was for. I suspect a PO rigged it for some reason. If this is...
  12. Jim Hawkins

    Gear oil question Johnson 30HP

    I went to change the gear oil on my 1987 Johnson 30HP. I should have done this when I first got it, but I didn't. After running it several hours I decided not to push my luck. When I removed both plugs nothing came out. When I began pumping new gear oil in on the second pump a blob of brown oil...
  13. Jim Hawkins

    Johnson 9.9 and 15 HP at same RPM

    Just wondering... IF a 9.9 and 15 HP Johnson are basically the same motor, save that the 9.9 is de-tuned, THEN assuming that prop, gears and timing are all the same, is running a 9.9 at WOT no harder on the motor than running the 15 backed off proportionally (running at same RPM)...
  14. Jim Hawkins

    1988 Johnson 9.9 Tiller Handle Disassembly

    I just picked up a Johnson 9.9 motor, J10RCCD that I need to go over before I can use it. One problem is that the throttle cable does not move when I twist the grip. I assume it is frozen or jammed. Finding the parts diagram is no problem but I am stuck on how to disassemble it without...
  15. Jim Hawkins

    Dunns Creek, Florida - Info?

    I'm planning a little excursion for my wife and I. I'd like to see Cresent lake from the water side as well as the St. Johns river. Dunns creek which connects the two looks like a very nice ride. I'm wondering, Are there No Wake/ Sea Slug, er I mean Manatee zones on Dunns creek? What is the...
  16. Jim Hawkins

    1968 Shell Lake - Shakedown Cruise

    This weekend was my shakedown cruise for my 1968 Shell Lake / Lund 15' Tri Hull Here's the sales brochure from 1968 ---> File:Shelllakeb68016.jpg - Classic Boat Library Bought the boat last year in my search for a lightweight, stable boat to take to the Florida Keys. Had to find a motor first...
  17. Jim Hawkins

    Johnson 1980-1984 35HP vs 1987 30HP

    I'm looking at a motor tomorrow. A early 80's 35HP Johnson.(I don't know exact year yet) I currently have a 1987 30HP Johnson. I am wondering about the difference in the 2 motors. Correct/Inform me please. I believe both are 31.8 Cubic Inches (as is the 25HP I think) I read that in the early...
  18. Jim Hawkins

    1987 Johnson 30HP Wiring Quiz

    In the picture attached which shows the wiring that goes from the motor to the controls on a 1987 Johnson 30HP electric start The big Red wire is of course Positive The Yellow/Red wire goes to the solenoid for starting The Purple/White wire goes to the Primer The 2 Black wires are for the Kill...
  19. Jim Hawkins

    1968 Johnson Old Style RC Cables and fittings

    A little help from someone familiar with these remote control cables. My Box and cables are from a 1968 boat and I want to connect them to a 1986 motor. I have already attached the throttle cable and will be able to attach the shift cable no problem but I have one issue I'm wondering about...
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