jimmbo's latest activity

  • jimmbo
    jimmbo replied to the thread Prop Help.
    85+% of Boaters have No Clue about Rake and Cup, what they are or what they do.
  • jimmbo
    Yes, I have watched People meticulously measure the Proper amount of oil, fill the tank, pour the Oil in, put the Cap on, start the...
  • jimmbo
    That was an interesting Read about the Development of the Merc V6. I remember reading how they made a V12, by placing 2 V6s kind of...
    • Jackie Pic 1.jpg
    • Scan_20180210-5.jpg
    • Scan_20180210-13.jpg
    • Scan_20180210 -14.jpg
  • jimmbo
    If the Bearings are Well Lubed at the Specified Gas-Oil Ratio, more Oil doesn't make them Run Smoother. 16:1 was used prior to the Mid...
  • jimmbo
    OMC started using the Single Fuel Hose as Standard Equip on the High End Motors(some 35s and the V4s in 1958), though it had been...
  • jimmbo
    The XR were Rated at the HP on the Decal. There is a 15% tolerance, but the main Difference between, an example, the Reg 150hp and an...
    • Early prototype 001.jpg
  • jimmbo
    jimmbo reacted to racerone's post in the thread Went electric with Like Like.
    Neighbor bought an all electric snowblower.---Only about $2000 or so.----Comes with 3 batteries and the charger.-----I suggested he...
  • jimmbo
    On a 2 stroke, it was easy, as the Carbs had to be fully closed at Idle, and the Linkages between them could be set. Do you have the...
  • jimmbo
    jimmbo replied to the thread Prop Help.
    Looking at the pic, it looks like a 15"(short) shaft motor
  • jimmbo
    jimmbo replied to the thread Prop Help.
    What is the WOT Rpm range for your Motor? My Guess is 5000 - 5500. If so, you are over revving at 6000 - 6100 and will need about 3...
  • jimmbo
    jimmbo replied to the thread carburetor swap.
    While it will bolt on, I wouldn't recommend it
  • jimmbo
    jimmbo replied to the thread Need better hole shot.
    The Gear Ratio should be on the Drive, on the 3/4 Band on the upper gear houseing
  • jimmbo
    jimmbo replied to the thread Need better hole shot.
    A loaded 21 ft, is not going to be a Ball of Fire, with any engine less than a Big Block. Torque is what you need, not more high Rpm HP...
  • jimmbo
    jimmbo replied to the thread Wont go past 2500 rpm.
    Did you actually check to see if there is an Ignition Problem, or are just going to throw Parts at it? Higher Revs in Reverse, could be...
  • jimmbo
    Are all the Throttle Shafts in Sync, as in All are exactly at the Same Degree of Opening, or fully Closed at the same time? 2...
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