jimmbo's latest activity

  • jimmbo
    jimmbo replied to the thread Raising outboard higher.
    If it is Bolted to the Transom, there is no Need for any spacer. If it is just fastened with the Clamp Screws, you have to be careful as...
  • jimmbo
    jimmbo replied to the thread 1979 80HP Mercury.
    No, both the Case and the Linkage above it have to be either in Gear, or Neutral.
  • jimmbo
    jimmbo replied to the thread Bought Boat and Steering is locked up.
    Huge Quantities of Penetrating Oil, and some Heat may be needed to remove it. A Passage Brush should also be run through the Tilt Tube...
  • jimmbo
    jimmbo replied to the thread 1977 Evinrude 15hp pull start.
    The Flywheel and Crankshaft Taper should be Lapped, to insure the Contact Fit between them is 100% Get a new key A Torque Wrench is...
  • jimmbo
    jimmbo replied to the thread 115 v4 2 stroke runs rough when warmed up.
    Those Ignition Systems often acted up when they got Warm, then later when Tested back in the Shop, they would work fine. However...
  • jimmbo
    jimmbo replied to the thread 2 Cylinder Johnson 40hp Old Trim/Tilt.
    The integrated System that replaced the Rube Goldberg device pictured was introduced on the 1976 V6, and migrated over the V4s and 3...
  • jimmbo
    jimmbo replied to the thread What are these small cracks in hull?.
    Gelcoat, cracking usually caused Structural Failure of the Glass underneath... 2002 Glastron, that was the year they introduced the...
  • jimmbo
    jimmbo replied to the thread 9.9 powerhead on a 7.5 chassis?.
    Welcome to iboats I doubt the 7.5 Gearcase is robust enough to handle extra Torque of the 9.9, and Propping could become an issue
  • jimmbo
    jimmbo replied to the thread 79’ Evinrude 70 Bogging.
    Maybe the Floats weren't set correctly.
  • jimmbo
    jimmbo replied to the thread 2 Cylinder Johnson 40hp Old Trim/Tilt.
    This unit was used between 1973 and 1977 on the 50hp and above, except for the 1977 140. I have never seen a Trim or Tilt unit like that...
  • jimmbo
    jimmbo replied to the thread 79’ Evinrude 70 Bogging.
    It is easy to see if the Throttle Valves are fully open, by looking down the Carb Throat. A check of the Link and Sync will verify...
  • jimmbo
    jimmbo replied to the thread 1987 mercury 75.
    The 3 engines share the same Displacement. HP differences are usually more than just a different Carb, Porting and Exhaust Tuning among...
  • jimmbo
    jimmbo replied to the thread Black scuff marks on cylinder walls.
    I thought it was pretty smooth for a V4, hardly shook at all.
  • jimmbo
    jimmbo replied to the thread Black scuff marks on cylinder walls.
    No Back Pressure, while on the muffs. Running it in a tall Test Tank, or mounted on a boat in the Water, might be more Revealing...
  • jimmbo
    jimmbo replied to the thread Black scuff marks on cylinder walls.
    Possibly a lot of Oil is Pooling in the #4 Crankcase, Check the Oil Recircuit Lines
Show older items
Top