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  1. jimmbo

    1990 90HP Pontoon, 4300 RPM at WOT, Do I need a new prop?

    More likely to with SS as AL ones tend to sacrifice themselves, while SS tend to bend and keep hammering.
  2. jimmbo

    Need Help Identifying a 6hp Johnson

    Looks like a 69 or 70 to me
  3. jimmbo

    Johnson FD 16 Carb Kit

    https://www.marineengine.com/newparts/part_search.php?part_num=18-7043
  4. jimmbo

    Old Johnson Powershift II 85hp

  5. jimmbo

    Gear Lube for 1969 18hp Evinrude

    Most Outboard Gear oils are more along the lines of 75
  6. jimmbo

    Old Johnson Powershift II 85hp

    I asked for Picture of the Cowl, but there was enough of it in the Pic. 1973 A 73 wouldn't have a Water Pisser. Someone has been butchering Defiantly needs a Prop, and a Skeg
  7. jimmbo

    1990 90HP Pontoon, 4300 RPM at WOT, Do I need a new prop?

    I had to replace the Prop Shaft on my VP I/O after a hitting a Rock Ridge at 23mph with a RAKER on it. Blades on the Prop were torn/bent too. Skeg managed to survive, so I likely caught the side of the Ridge, but there were several Impacts
  8. jimmbo

    Old Johnson Powershift II 85hp

    Post a Picture of the Cowl
  9. jimmbo

    Gear Lube for 1969 18hp Evinrude

    Since Type C was speced, you will be fine using it. Why spend more money
  10. jimmbo

    Hour Meters growing apart

    Are any Accessories tied to the Key Switch, where it has to be "on" for them to work?
  11. jimmbo

    1985 Mercury Tower of Power 115 high rpm miss

    Power gradually dropping usually points to a Fuel Supply issue. A sudden change can be Ignition or Fuel. My 84 115hp would often find itself running rich on two cylinders being fed by a shared Carb. It seems the Float would get cocked and stuck in the fuel bowl. Sometimes some gentle taps on...
  12. jimmbo

    What is this part called on Force 125

    Change the Prop Pitch, reset the Idle Speed, and the timing will be different
  13. jimmbo

    Driveshaft won't move with lower unit removed

    Take the Water Pump Housing off and try turning the Driveshaft
  14. jimmbo

    1985 Mercury Tower of Power 115 high rpm miss

    The Back Drag feature was introduced in 1975, in order to improve Part Throttle Fuel Economy. It did so by reducing the Atmospheric Pressure in the Fuel Bowl, so less fuel was being pushed into the Main Nozzle. Worked fine with the Gasolines of the 70s. Fast Forward a few Decades, Gasoline is a...
  15. jimmbo

    Glastron contact details?

    VEC Hulls were Garbage Good Luck, you gonna need it
  16. jimmbo

    1987 v200 black max wont go over 2000rpm

    Welcome to iboats You say Spark is good on all 6. Is it good enough to jump a 3/8" Gap? Was there a Problem with the Spark, with the old Switchboxes in place? You said "carbs are out getting ultra sonic cleaned". So you haven't run it with the Cleaned Carbs. Personally, I don't understand the...
  17. jimmbo

    1990 90HP Pontoon, 4300 RPM at WOT, Do I need a new prop?

    Anyone can make a Chart...
  18. jimmbo

    Rebuilt Carburetor… Still No Idle!

    Look who's talking...
  19. jimmbo

    1985 Mercury Tower of Power 115 high rpm miss

    I couldn't hear any miss. One thing you gotta do on engines of that Era, is disable the 'Back Drag' feature on the Carbs. It was a way of leaning out the Mix at part Throttle, in order to reduce Fuel Consumption. Problem is that the Gasolines of Today are already Chemically Leaned, and the...
  20. jimmbo

    1990 90HP Pontoon, 4300 RPM at WOT, Do I need a new prop?

    A prop for a 150 is never going to fit on a 90hp. The Diameter is too great, and the Hub is matched to the V6 Gearcase, which is Larger than the one on the 90
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