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  1. jimmbo

    carburetor swap

    While it was possible to turn a 22 inch 18/20 into a 25, it was more than a Carb Swap. Intake Manifold was different, so were the Pistons, Cylinder Head, Crankshaft, and Throttle Cam on the Armature Plate. The Pistons had the Pin in a Location closer to the Crown, this changed the Port Timing...
  2. jimmbo

    1983 evinrude 115 mystery hose

    deleted
  3. jimmbo

    Prop Recommendation: '85 Merc 50hp 2-stroke - 16' Alumacraft

    Can the Spark jump a 3/8" gap, on all Cylinders? Get the proper Factory Service Manual for that Motor Timing and Pickup Timing don't go out of adjustment, unless someone has fiddled with it Important that both carbs are feeding fuel, as the Oil is mixed with the Gas, no Gas, means NO Oil. If it...
  4. jimmbo

    How to prime fuel after winter / fogging

    What is "Easy Access", over the Gunnel or Transom?
  5. jimmbo

    Oil dripping from front water outlet at the top of lower unit.

    What does the Residue smell like, Gas-Oil or Gear Oil? Gear Oil stinks to High Heaven, and you will need to Bleach your hands to get rid of the Stench
  6. jimmbo

    Identify boat trailer please, and conversion to utility trailer

    The Frame, Roller Hardware, and Cradles look like mid-late 70s EZLoader
  7. jimmbo

    Merc outboard serial number question

    Power Ported Cylinder/Block Pistons with holes are used with Power Ported Blocks Non-power Port Cylinder/Block
  8. jimmbo

    Merc outboard serial number question

    82 was the Year that Merc started Prop Rating, on the engines engines above 70 hp. OMC switched in 85
  9. jimmbo

    Merc outboard serial number question

    Curious as to whether the 115 was crank or prop rated? I know my prop rated 115 Merc was faster than my crank rated 140 Evinrude on the same Hull.
  10. jimmbo

    Merc outboard serial number question

    Speed difference between the 135 and 150 is only 3 more mph, and weaker Hole Shot. The inline 150 was best suited for very light hulls.
  11. jimmbo

    Are you ready to puke?

    Exactly what kind of Plywood did you purchase? In order of Preference: Marine Grade Exterior Grade
  12. jimmbo

    Replacement Model and serial number plate

    Being that OMC went out of Business about 1/4 Century ago, the Chance of getting a replacement is between Slim and Impossible
  13. jimmbo

    What engine do I have?

    What year did Evinrude and Johnson start using the same Cowl Pan?
  14. jimmbo

    Vapor lock/ sticky float?? 30HP JOHNSON 2 STROKE

    Is the Spark Healthy enough to Jump a 3/8 inch Gap on both Cylinders? Is the Fuel System Clean? Fuel Pump good, as in no cracks/holes in the Diaphragm?
  15. jimmbo

    454 in a 21' bowrider

    I would go for the Big Block, as It is easier to get Torque with Cubic Inches than trying to make it with Cams, Compression, Carbs, etc. Plus it is making the Power at a Lower Rpm. Higher Horsepower for a Given Displacement, means weaker Low and Mid Rpm Torque
  16. jimmbo

    Just a reminder that summer will be here soon...

    This happened one night near the end of April in 85, Car is running It was about a foot - foot and a half deep. I was able to drive thru it with that One Wheel Drive Olds. Took about two hours of Driving to get most of the Snow off the Engine
  17. jimmbo

    Just a reminder that summer will be here soon...

    Boats are gonna get covered in Salt, as the City has been applying that Car Rot stuff pretty thick this year on the Yellowhead, My Red Caddy is White, I'm not happy
  18. jimmbo

    Just a reminder that summer will be here soon...

    Disgusting Stuff. Spinning Tires, skidding around Corners, sliding into parked Cars. I hate Winter.
  19. jimmbo

    Johnson 50hp swap to a Johnson 110hp Possible?

    When you get the 110 installed, drop the Gearcase and replace the Water Pump Impeller. As suggested earlier, a Compression Test is a good idea. Also changing the Gear Oil is a good Idea, If any Water Drains out, or the Oil looks like Mocha, or looks like it has fine Metal Flake, disassembly and...
  20. jimmbo

    1988 transom bracket on a 1970 motor?

    Depending on which Motors are involved, you might be able to unbolt the Engine from the Yoke and move it over. It will require the Powerheads to come off to get at the Upper Engine Mounts
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