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  1. 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..................
  2. 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...
  3. Dukedog

    mercury blackmax 150 power/wot problems

    sent...........
  4. 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....
  5. Dukedog

    mercury blackmax 150 power/wot problems

    fact................
  6. 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...........
  7. 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.
  8. 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'...
  9. 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...
  10. 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................
  11. Dukedog

    Mariner 200 efi 1992 oil hose?

    (y)
  12. 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....
  13. Dukedog

    Mariner 200 efi 1992 oil hose?

    no where... its fine..
  14. Dukedog

    charging help

    got ta have a battery hooked up if wanna complete ANY 12 volt pos/neg circuit...........
  15. Dukedog

    charging help

    has ta have a battery .........
  16. Dukedog

    Mercury 200 2.5 EFI

    at least year of motor??.. no fire any plug?.. lanyard kill switch pulled (we've all done it)?.. kill circuit test first.... then ign. in-line fuse..
  17. Dukedog

    1984 mercury 150 blackmax timing/ link and sync procedure

    not supposed ta be... gap is at idle with everything at rest... idle stop is used for tha lines .. has nothing ta do with carb linkage
  18. Dukedog

    1984 mercury 150 blackmax timing/ link and sync procedure

    don't worry 'bout tha gap between tha roller and tha cam.. as long as ya have a slight gap and lines line up it will work jus fine.. i've run as much as 3/8ths of an inch gap on some of my hot rods over tha years......
  19. Dukedog

    Mercury 135 not running

    sent... study it then decide what ya wanna do...,... yes ya can jus change power heads if thats what ya end up wanting ta do...
  20. Dukedog

    Mercury 135 not running

    (y)
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