Recent content by jimmbo

  1. jimmbo

    Type of boat

    Trailer looks like an EZLoader These days, most Education costs more than $1200... When you cut the Boat into pieces, wear proper PPE, you really don't need to be inhaling the Dust, or getting in your Eyes.
  2. jimmbo

    Unrealistic expectations for 71 20hp johnson?

    What pitch is the Prop?
  3. jimmbo

    Unrealistic expectations for 71 20hp johnson?

    The 25 hp of that Era, while it had the same displacement as the 20 of that Era there were some differences. They used the same Block, though with different Pistons to alter the Port Timing. The different Pistons resulted in less Compression. A different Head was used in the 25 to restore the...
  4. jimmbo

    98 Evinrude starter pinion.

    If I remember correctly, after 92, they went back to the Recoil above the Flywheel
  5. jimmbo

    Late 70's to Late 80's - Worth shopping for?

    How many revolutions did you crank the engine for the compression test?
  6. jimmbo

    98 Evinrude starter pinion.

    That design of Rope Starter was first used around 1979
  7. jimmbo

    Late 70's to Late 80's - Worth shopping for?

    Likely drain holes for water
  8. jimmbo

    New to Me 1957 Evinrude Fisherman!

    Oops #6 not #1 in the pic
  9. jimmbo

    New to Me 1957 Evinrude Fisherman!

    Here is the Parts listing. You have #1 and #4 in your pic https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1957&hp=5.5&model=5515&manufacturer=Evinrude&section=GEAR+CASE The nut is likely #34 in this listing...
  10. jimmbo

    Late 70's to Late 80's - Worth shopping for?

    Change the Gear Oil I would run it on a Tank of 50:1 premix, until I could verify that the VRO/MRO was operating
  11. jimmbo

    remanufactured powerhead break in procedure

    Some longer periods at a constant Speed are part of the Break In Process. More Throttle, Loads the Rings, causing abrasion which removes High Spots. backing down to a Lower Rpm, for a few minutes, unloads the Rings, and a Polishing of the recently abraded Metal, occurs. Some People have the...
  12. jimmbo

    remanufactured powerhead break in procedure

    The Evinrude Owners Manual went: If the Engine has the VRO and it is Functioning, put a 50:1 Premix in the Fuel Tank for the First 10 hrs. If the VRO has been removed, 24:1 for the first 10hrs, after which, 50:1 is the Ratio First Hour Run the motor, in gear at a fast Idle for 5 - 1- minutes...
  13. jimmbo

    Late 70's to Late 80's - Worth shopping for?

    1970 115 Pistons? that would require more than a 0.60 overbore 1966 100hp 3.375" X 2.5" 89.5 inches cubed 1970 115hp 3.438" X 2.588" 96.1 inches cubed 1970 115 pistons with a 66 100hp crank, the final result would have been 92.83 inches cubed, close to what the 1970 85hp or 1971 100hp...
  14. jimmbo

    1996 115 Crossflow Milky Plug

    How long did the Overheat Alarm sound?
  15. jimmbo

    Oil change

    At least the Oil's Detergents are keep that crud in suspension so it can be drained. Far better than having it building up on the Internals, while the Oil remains Clean, at 100 hrs. How long have you owned the Motor?
See more
Top