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  1. R

    1986 mercury 115 2 stroke inline 6 bogging at full throttle

    Test run with another tank and hose.-----Running a 2 stroke with fuel starvation issues can do big $$$ damage to pistons.----Post actual values of a compression test here.----Motor needs a new water pump about every 3 years.----Has that been done?----Tested the overheat horn if equipped with one ?
  2. R

    Carb linkage adjustment for 1976 Mercury 500 50hp with thunderbolt ignition.

    Both carburetors should be closed at idle.----Bottom carburetor only feeds cylinder 3 and 4.----Top carburetor only feeds cylinder 1 and 2.-----No such thing as " delay for the bottom carburetor " on these motors..----Adjust so that both carburetors start opening at exactly the same time !!
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    2007 mercury optimax 75 hp hard or not starting

    Checked the belt driven compressor ?-----Check compression.-----Test spark.------Water pump impeller done every 5 years ?
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    I changed my lower end your oil on my Evinrude 18 hp guy at AutoZone said that should work??? making sure

    Years ago.----Auto parts guy put Sierra parts catalogue on the counter.----Said---" you know what you are looking for "-----Gave me an old copy to take home.
  5. R

    Old Evinrude question, Can anyone help?

    A 25924 is a 1956 model 30 HP
  6. R

    1990 Johnson 70hp w/Video - Chasing My Tail

    0438557 is the pump you need !----Listed for many years on the 3 cylinder COMMERCIAL 65 HP .-----Those were usually equipped with a simple pump and not with VRO.----Look it up for say the 1992 model 65 HP.
  7. R

    Mercruiser 3.0 crankcase full with water

    Remember the big freeze ?-----likely a cracked block.
  8. R

    1979 Evinrude 70973R 70 hp Outboard

    your location?
  9. R

    1988 9.9 Mariner - Ignition Coil hunt

    Your location ?
  10. R

    I changed my lower end your oil on my Evinrude 18 hp guy at AutoZone said that should work??? making sure

    As long as you have a properly sealed gearcase that stuff will be just fine !!
  11. R

    1955 evinrude 7.5 hp carb and starting

    Those are wonderful filters and need cleaning once in a while.----Nothing wrong with the concept of one of these sintered filters.----Better than modern plastic stuff.
  12. R

    Johnson 50 1996 2-cylinder. ? faulty ignition coil

    New powerpack fixes it 9 out of 10 times.
  13. R

    I changed my lower end your oil on my Evinrude 18 hp guy at AutoZone said that should work??? making sure

    No such thing as an 18 hp Johnson with electric shift.
  14. R

    Mystery trim/tilt motor

    Reservoir is underneath motor and pump.
  15. R

    1990 Johnson 70hp w/Video - Chasing My Tail

    Find a better shop.-----Repeat----It is not a one way valve !!-----It closes if too much air goes through it.----It is a flow fuse to protect the VRO from going " boom " so to speak.----Install a simple fitting.----Get the correct pump or plug the hole at the back.----All easy in my...
  16. R

    9.5 Ready for wet test

    If it was run with an empty gearcase you will need to inspect.----Perhaps install a seal kit.----Inspect bushing above pinion gear.
  17. R

    1990 Johnson 70hp w/Video - Chasing My Tail

    That is NOT a one way fitting at all.-----It is the pulse limiter ( flow fuse ) for the VRO pump.----It should be removed.----And if air leaks out the back of the pump you have the wrong pump installed!
  18. R

    Tune Up Specs 1973 Johnson 50HP 50ESL73R

    Likely need 11" pitch.
  19. R

    Stainless Prop Film

    Doubt that is corrosion.----Some minerals " plate out " on metal submerged in lake / river water.-----Scrape it off / wash it off and buff.
  20. R

    anyone know where this tube hooks up too?

    There is a hole on the leading edge of the gearcase !----feeds pressure to that hose.----Feeds pressure to speedometer.----Observe / look for it.-----Such a simple thing !!
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