Recent content by Myklle

  1. M

    1989 90HP Evinrude V4 Rebuild

    I am rebuilding a 1989 90HP Evinrude V4 and have a few questions on torque specs for the following: Connecting rods... the book says 30lbs. Is the inch lbs or ft. lbs? Block... book says 228 lbs. inch lbs or ft. lbs? Cylinder Head:?
  2. M

    Bolt question

    I am replacing the pistion rings on my 1989 90hp Evinrude and want to know if I can use harden bolts (grade 8) from my local hardware store? The bolts that came off the motor for the heads and exhaust cover are in good shape but the book says not to reuse them. Why is that? Any and all...
  3. M

    89' Evinrude 90hp V4 bogging down at WOT

    On my 89' Evinrude 90hp V4, it would run decent but would bog down on say 2 foot swells (loss of power) and had a hard time getting on plane. I decarbed it using a gallon of fresh gas and 16oz. can of Sea Foam. She smoked like crazy for all three 15 minute sessions. After that, she got some...
  4. M

    1989 Evinrude VRO 90 HP RPM Question

    I have a 1989 Evinrude VRO 90 HP on a 1989 15' 6" Kingfisher bass boat with a 13 x 19 aluminum prop. It runs great but I cannot get it faster than 41mph (WOT) at 4800 RPM's with just me in the boat. It currently has a 13 x 19 alum. prop. I was reading the book I have on my motor and it states...
  5. M

    1989 Evinrude VRO 90 HP Questions

    I have a 1989 Evinrude VRO 90 HP on a 1989 15' 6" Kingfisher bass boat. I have disabled the VRO, changed plugs, fuel lines and fuel filter. It runs great but I cannot get it faster than 40mph (WOT) at 4800 RPM's with just me in the boat. It currently has a 13 x 19 alum. prop that has some...
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