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  1. Dukedog

    mercury blackmax 150 power/wot problems

    idles to low... bring it up ta "0" at crankin' ta start with... "Which direction of the screw will bring the idle up?" thinkin' clockwise.. it will let ya know for sure.....
  2. Dukedog

    mercury blackmax 150 power/wot problems

    how did you verify idle timin'?.. it needs ta set with tha rig in tha water, in gear to whatever makes tha motor and you both happy.. book numbers mean nothin... yes, tha bleed stuff can cause a temperamental idle.. both reed plate and/or cylinder bibs can sometimes fail and/or get a bit of...
  3. Dukedog

    Continuous beep

    a constant beep is not oil related unless tha module has gone south.. do you get tha three "self test" beeps when you turn tha key ta "on"?. does it start tha beep instantly when key is turned on?.. tha "main" tank in tha boat is pressurized by tha motor.. it will force feed oil to tha small...
  4. Dukedog

    Mercury Black Max outboard 175hp, Snapped Gear Shifter Top Shift which connects to the lower gear unit.

    there is an "arm" that attaches to tha top of tha rod right under tha adapter plate.. it is attached to tha rod with tha "roll pin" faz is refering to... removing that pin and arm is tha only way ya gonna get tha rod out without pullin' tha powerhead...................
  5. Dukedog

    1994 Merc 150 XR6 water pressure gauge hose attachment point

    (y).... thats tha spot.
  6. Dukedog

    1994 Merc 150 XR6 water pressure gauge hose attachment point

    no such thing on that motor.............
  7. Dukedog

    1994 Merc 150 XR6 water pressure gauge hose attachment point

    you are absolutely correct... thats no where close ta actual pressure.....
  8. Dukedog

    1994 Merc 150 XR6 water pressure gauge hose attachment point

    no such luck with a plug anywhere!.. splice it in to tha hose that runs between tha top of tha block and tha poppet.. Put a "T" right as it leaves tha top of tha block..................
  9. Dukedog

    mercury blackmax 150 power/wot problems

    chris.. with tha WH/WMH/WMV (MERC) series carbs tha only things that control idle is tha idle circuit and idle timing.. you have ta change tha idle jets ta change tha idle at carb.. tha carb openings will remain completely closed.. tha linkage has no control over idle.. if you use tha butterfly...
  10. Dukedog

    mercury blackmax 150 power/wot problems

    sent...........
  11. Dukedog

    mercury blackmax 150 power/wot problems

    if you send me an email address i'll send ya an oem manual in pdf.. its for some of tha later model motors but you can us tha 135/150/XR6 (all carb motors) for link n sync, timing.. jus don't use tha timing numbers in that manual.. tha tdc, link n sync procedures are tha same....
  12. Dukedog

    mercury blackmax 150 power/wot problems

    fact................
  13. Dukedog

    mercury blackmax 150 power/wot problems

    thats why i went through tha idle timin' procedure..... so yes if he moved any of tha "other" screws he will need ta go back ta square one...........
  14. Dukedog

    mercury blackmax 150 power/wot problems

    That "specific screw" is tha idle timin' screw.............. 10/32 right above tha bolt that holds tha throttle and timing arm on........... cables are tha last thing ta adjust... you adjust tha cables ta fit what tha link n sync ends up as....... idle timin' can be done anytime.
  15. Dukedog

    mercury blackmax 150 power/wot problems

    don't worry 'bout idle timin' by tha book number.. after ya get it runnin' put it in tha water... on or off tha trailer makes no difference except for what "speed" ya want at idle.. put it in gear and adjust tha idle timin' screw to rpm/speed that makes you and tha motor happy... idle timin'...
  16. Dukedog

    mercury blackmax 150 power/wot problems

    is this a new ta you rig?.. did it always act this way?.. if tha gear case has been changed there is a chance that its not tha 2 ta 1 its supposed ta be also.. that would also effect tha rpm and hole shot.... it should be a little slow out of tha hole but still should rpm better than that on a...
  17. Dukedog

    mercury blackmax 150 power/wot problems

    if moving tha idle timin' screw doesn't change tha idle rpm then ya may have a trigger problem.... thats tha only thing that (supposed to) control tha idle speed/rpm................
  18. Dukedog

    Mariner 200 efi 1992 oil hose?

    (y)
  19. Dukedog

    Mariner 200 efi 1992 oil hose?

    that "t" is a pressure relief valve.. that is tha vent side.. i've never seen one that has had to release pressure....
  20. Dukedog

    Mariner 200 efi 1992 oil hose?

    no where... its fine..
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