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  1. jimmbo

    Not good. Maybe

    For 20 yrs, I have just drained the Block, the manifolds, the Big Hose between the Circulating Pump and the Stat Housing, pulled the Ignition Lanyard and cranked the engine to allow the Raw Water Pump to drain any water out of it and the Passages. Put the Engine Cover down, and tarped the Boat...
  2. jimmbo

    Serial number not correlating. What timing to use? Choke on power wire?

    First Things first. Is that Sniper EFI, USCG approved, or is it an Automotive Unit?
  3. jimmbo

    Spark plug recommendations for 1973 evinrude 65 triumph.

    From the 73 Brochure
  4. jimmbo

    72 Mercury 500 No Spark

    All the Seals on the Drive Shaft are in the Lower Pump housing. There are a couple more Seals on the Prop Shaft, that are in the Bearing Carrier, and there is an O-ring on the Bearing Carrier. There is also a Seal on the Shift Shaft, that pretty much covers all the Seals, except for the Gaskets...
  5. jimmbo

    72 Mercury 500 No Spark

    You will know if water is getting in when you drain the Oil. Of course, if you just bought the unit, a sharp and unethical seller, could always drain a Unit, then refill it with fresh oil, and that would hide any leaks, till after you use it. Best to get the Unit, Pressure and Vacuum tested
  6. jimmbo

    planning first trip to thousand islands

    I see you really didn't comprehend what I wrote.
  7. jimmbo

    Reattach cap to hull

    That sounds a lot more solid than a lot of hulls on the water
  8. jimmbo

    72 Mercury 500 No Spark

    Unless you are getting Water in the Gearcase, I wouldn't bother removing the lower Pump Housing. If you are, then by all means pull it and replace the seals/o-ring/gasket
  9. jimmbo

    Leaf springs replacement

    There is a Shackle there, it is vertical on the one of Eyeholes, maybe rusted solid
  10. jimmbo

    72 Mercury 500 No Spark

    It has been chewed up a bit. They should still be available
  11. jimmbo

    60 Mariner ---Help???

    You are right, the 84 was the 3 cylinder Merc. I saw 83 on the back of a Brochure, but that was the copyright date, for 84 Brochure. The 83(copyrighted 82) brochure does show a Twin of Foreign Make. Good Catch.
  12. jimmbo

    60 Mariner ---Help???

    In 83, it would be a 3 Cylinder Merc
  13. jimmbo

    60 Mariner ---Help???

    I get an 83 60hp
  14. jimmbo

    Transom patch

    As mentioned, the Stringers below the floor, may also be rotted. The Joys of an older Boat
  15. jimmbo

    Proper way to check compression ?

    Ground the Spark Plug Wires, there a chance that some fuel vapour could be discharged from the Plug Holes and if there is a Spark
  16. jimmbo

    Transom patch

    Fiberglass Mat, a bit of Paint/Carpet, can hide a Multitude of Sins
  17. jimmbo

    Transom patch

    What were they made of? Only Wood boats actually Float, Fiberglass, Metal, Cement Boats can't(they remain on the water by Displacing an Amount of Water equal to their Weight), and are required by Law, to have adequate Buoyancy added to keep a swamped boat from sinking. Some boats use Sealed...
  18. jimmbo

    Mercury 150 not performing well under load and drinking gas.

    Tinkering can result in melted Pistons, broken Rings, etc. Get the Manual, a genuine Factory Manual for that Powerhead.
  19. jimmbo

    Mercury 150 not performing well under load and drinking gas.

    You have to determine what gear ratio you have, before you or anyone can running the numbers as to what a 23" prop will do at 5000rpm, as at one time the motor was allegedly a 200, and 150 was placed on it. The two engines normally have different Gear Ratios. However, the Gearcase might not be...
  20. jimmbo

    What does this hose do? As well as other issues.

    Poor Man's Captains Call
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