Search results

  1. jimmbo

    Best 2 stroke oil for Chrysler / Force outboards

    We always ran OMC or Mercury TCW oils in our outboards for more than 35 yrs, never had a Engine Failure, nor did they ever have any significant carbon on the Pistons. I would be more worried about Carbon building up behind the Rings. There a good Engine Cleaner, and I mean Good, not that SeaFoam...
  2. jimmbo

    1979 80HP Mercury

    https://www.ebay.ca/itm/396468091185?_skw=80hp+mercury+service+manual&itmmeta=01JTBM8XJ2BA78KVKWV2GTWA55&hash=item5c4f56f931:g:p4EAAOSwMpNn~Rcr&itmprp=enc%3AAQAKAAAA4FkggFvd1GGDu0w3yXCmi1ckUcAL%2FGL%2BPg%2B4QAMG99VsJxGfNRIZKPYcnK9OtWMhWFp1c5fScpRbdS1ATiNGBut9tbTg084h2hkN7%2BE7hc8gl0%2BsQgkFZ1gk6a...
  3. jimmbo

    1979 80HP Mercury

    About a 6 - 7 hr drive for me. It has been 31 yrs since I was in Lethbridge. I only know one person there, she used to be a Cabinet Minister
  4. jimmbo

    1979 80HP Mercury

    First of all you went and adjusted something, what we don't know. There are several adjustments on the Linkages. Some change Spark Advance, some affect the Sync between the Spark Advance and the Opening of the Carbs, others affect the Position of the Throttle Plates are WOT. Do you have an...
  5. jimmbo

    1979 80HP Mercury

    When you adjust/set the Idle speed on these Motors, you it with either cable unhooked, or the Anchor/Adjuster out of its holder. Once Idle Speed is set, you then adjust the Cable Length, so there is a slight bit of Pressure holding the Throttle Linkage against the Idle Stop. Too much Preload can...
  6. jimmbo

    1979 80HP Mercury

    Perhaps the Shift Linkage in the Motor is damaged/binding/needs Lubrication If the Throttle Cable is not hooked up, does it is shift easier? If so then perhaps you have too much Preload on the Throttle Cable
  7. jimmbo

    1979 80HP Mercury

    Operate the Control with the Cables off the Motor, the Shift Cable will move 1st, and once it stops, the Throttle Cable will begin to move.
  8. jimmbo

    Raising outboard higher

    One Caveat regarding placing the AV Plate even/level with the Hull Bottom. This an Aluminium Hull, if it has a Protruding Keel, that will require the Motor be lower than on, a Fiberglass Hull, which usually don't have a protruding Keel
  9. jimmbo

    1979 80HP Mercury

    Got the Control Cables swapped
  10. jimmbo

    Mercury outboard wieght chart

    1981 80hp 251 lbs 1975 50hp Electric Start 173 lbs Power Trim components not included in the Values
  11. jimmbo

    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 to how high you go. Too high and the Engine will be at increased Risk of coming off the Transom, due to lack of Clamping Area By chance are you trying to...
  12. jimmbo

    1979 80HP Mercury

    No, both the Case and the Linkage above it have to be either in Gear, or Neutral.
  13. jimmbo

    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 to clean it out. Sometimes the Tilt Tube will also need to be replaced
  14. jimmbo

    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 Critical on Tapered Fittings. Even a few too many Pound Feet of Torque will Ruin the Flywheel
  15. jimmbo

    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 intermittent Spark can also be caused by Corrosion anywhere in the Ignition, of internal Breakage of those wire. Out of the Water, these things will appear to run...
  16. jimmbo

    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 cylinder Loopers by 78. Later 2 cylinder loopers used an entirely different system
  17. jimmbo

    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 Defective VEC method of Construction. Serious Resin Starved areas in those Hulls. I have one of those POS, and mine had a complete Transom Delamination. Glastron...
  18. jimmbo

    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
  19. jimmbo

    79’ Evinrude 70 Bogging

    Maybe the Floats weren't set correctly.
  20. jimmbo

    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 on any 40hp
Top