Search results

  1. jimmbo

    Merc is making Changes

    Mercury is making some changes to its Props, New Hub system that is not compatible with the current Flow-Torq. It looks like Cost of Production Reduction. but there will still be an increase on the MSLP. Also it might be a Move to make the Hub Propriety
  2. jimmbo

    Curiosity Finally Gets the Best of Me!

    1965 90 hp 1966 - 68 100hp gearcase
  3. jimmbo

    Windows 7 Orphaned by Microsoft

    Now that MS has severed support for Windows 7. who here is still running the old 'Easy to access features' OS? I despised Win 8 and the 4 times I've trialed 10, I have had nothing but Headaches and Contempt for it. UI is almost as bad as 8, and difficult to get to a complete Control Panel. Might...
  4. jimmbo

    What year is this motor

    You need to look for something like this
  5. jimmbo

    Military Outboard OMC 35hp

    That is where it can get a bit complicated. While some parts are unique, the majority will be standard OMC 35 hp parts. But there were many subtle changes to the 35 hp thru the years. So picking the civilian model closest to what you have will take some sleuthing
  6. jimmbo

    Military Outboard OMC 35hp

    A lot of Miltary engines were expected to be used after even prolonged submersion, many were equipped with Check Valves in the Exhaust that closed when the engine was upside down on it Cowl, they also had Quick Drain Systems for evacuation the Carb and Crackcase of water. Finding Service...
  7. jimmbo

    The wait is over. Sharrow prop test.

    Hmmmm Oil Thread
  8. jimmbo

    Should I replace all 3 pistons?

    2 Stroke Cylinders wear a bit differently than 4 stroke, the Taper does occur, but the Area around the Ports also wears more too
  9. jimmbo

    Rooster Tails

    I overtrimmed my 115 merc and got one, also warped the cylinder head waterjacket cover. My I/O has done it,it's not over trimmed. Service manager drove,
  10. jimmbo

    1973 mercury 1500 charging issues

    Have you tried using an Analog Voltmeter? The DC coming out of the Rectifier is not of a Steady Voltage as it is basically a chopped or folded Sine Wave(depending on how many Diodes are in the Rectifier Assembly), no longer alternating from Positive to Negative volts of equal Value, but is now...
  11. jimmbo

    3 cyl 65hp Merc - teach me a few things...

    They look like this Harnesses are available from 3rd Party Suppliers.
  12. jimmbo

    Big twin flywheel compatibility

    I was referring to a Timing Fixture that is installed on the End of the crank shaft after the Flywheel is removed
  13. jimmbo

    accelerator pump for 1993 4.3 volvo penta accelerator pump'

  14. jimmbo

    Big twin flywheel compatibility

    The 1958 35 hp Owners Manual said to adjust the points to 0.020" thru the hole in the flywheel. Granted using the Timing Fixture and the timing Marks did set the exact spot when the points opened
  15. jimmbo

    My Collection is Growing

    Triplets
  16. jimmbo

    Merc 5.7L TKS Carb replacement with non TKS help

    The AFB carbs do have both bolt patterns, but they are not spread bore carbs by any stretch of the Imagination and the Primaries are larger than those used on the Q-jet or Cater's own Thermoquad and will not fit on Most GM Spreadbore Manifolds Here is a pic(from Dennis Moores book SB Chevy...
  17. jimmbo

    1990 Evinrude 20 HP convert to 25 HP (Model # E20CRESB)

    Looks like someone has been messing with the linkage and had no idea what they were adjusting. In the second pic, there are signs the collar has been moved. Loosen that set screw so the rod is free to move, and ignore it for now. The roller should just start to make contact with the cam, when it...
  18. jimmbo

    Evinrude 80 Hp Starflite VIII

    Some specs on the 1966 80 HP 89.5 cubic inches 3 3/8" X 2 1/2" Bore and Stroke 80 HP @ 4500 rpm WOT range 4000 - 5000 rpm Battery Ignition system 2 bbl downdraft carb with Fixed Hi-Speed Jets, adjustable Low Speed Needles, Auto choke Recirculating Temperature controlled Cooling System with...
  19. jimmbo

    Johnson Motor identification help needed

    That looks like a 28 hp cylinder head, a 33 hp head would look a lot different From the 1963 brochure, some info
  20. jimmbo

    90hp vs 115hp

    In 1984, I replaced a crank rated(1978) 90 hp Mercury, with a prop rated(1984) 115 mercury. The boat went from 38mph, to 49mph. If it had been a crankshaft rated to crankshaft rated motor, or a prop shaft rated to prop shaft motor, the increase would have been about 5 mph
Top