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  1. Dukedog

    Spark Plug Half-Fouling

    surface gap is fine ina merc... omc's not so much... jmo
  2. Dukedog

    Torque Specs on Exhaust Extension Plate and Power Head Mounting Bolts Mercury V6

    (y)
  3. Dukedog

    Torque Specs on Exhaust Extension Plate and Power Head Mounting Bolts Mercury V6

    you should be able ta lift it enough ta put a little more on 'em jus in case.. a short socket ona torque wrench should go under it maybe.. they probably don't need much more.... jus be careful, those two tend ta break easily........
  4. Dukedog

    Torque Specs on Exhaust Extension Plate and Power Head Mounting Bolts Mercury V6

    tha two in tha middle, (5/16) a little at a time, are 25 ft. lbs.... 3 (3/8) bigger ones on tha rear outside are 50 ft. lbs... tha 10 (9/16) nuts on tha studs are (my version) tight as ya can get 'em with a 6" 9/16 box end (sequenced, back and forth across clockwise, jus like a...
  5. Dukedog

    Starter fluid everytime....

    depends on WHO defines "short blast".............. jus sayin' don't think its a good routine ta get into........
  6. Dukedog

    Starter fluid everytime....

    sayin' a little squirt is ok, most don't know what a wiff is, (maybe for tha experienced) is like givin' some a hand grenade with tha pin already pulled... jus a fact. a little squirt or even a big squirt of pre-mix is ALWAYS SAFE...... jmo.
  7. Dukedog

    1994 Black Max 175

    goes in to a "T" you add in tha hose going down to tha poppet at tha "top of tha block"............... tha "T" has ta close to tha top as possible......
  8. Dukedog

    1994 Black Max 175

    water pressure gauge???
  9. Dukedog

    Merc outboard serial number question

    thought it was 'bout tha same time they changed tha block........ whats an OMC?????? (ha)
  10. Dukedog

    Merc outboard serial number question

    think merc started tha prop rating 'bout '83 maybe '84?.............
  11. Dukedog

    blackmax 200hp 1989 problems

    yes.. move ALL wires from the inside box to the outside box and ALL wires from outside box to tha inside..... this is just at tha switch boxes only....
  12. Dukedog

    blackmax 200hp 1989 problems

    one thing you can do since you suspect #5.. swap tha switch boxes around.. if it stays tha same then it leads to tha trigger.. if it follows then ya have a switch box problem....
  13. Dukedog

    Two yr. Head scratcher, need help

    might double check ya float height??? sounds strange?.. your problem is something i've not had and/or heard of but it is a merc, sooooooooooo!
  14. Dukedog

    Help with lower unit

    gear ratio....
  15. Dukedog

    Help with lower unit

    that's not a good serial number.. if its a V6 merc/mariner it will be 7 numbers or a letter (A, B, C) followed by 6 numbers or a 0 then a letter (D, G) followed by six numbers...
  16. Dukedog

    Where to order 80's era Merc Parts?

    here and put in 05825403... tha "0" was added a few years ago to all merc numbers.... https://www.mercurymarine.com/us/en/parts-and-service/parts-catalog
  17. Dukedog

    blackmax 200hp 1989 problems

    tha stab. will have red/white and a black/white wires.. tha rectifier will have 2 yellows, 1 red and 1 gray (tach signal wire).. how many and what color are tha wires comin' outta tha other box
  18. Dukedog

    blackmax 200hp 1989 problems

    yeah, '89 could be either one... if its still got tha idle stab. i'd chunk it... disconnect tha regulator jus for testin'.... i'd start with tha rectifier.. that "should" clear up tha tach problem.... ya need ta test stator and trigger.... back fire would lead me mostly to tha trigger... jmo.
  19. Dukedog

    blackmax 200hp 1989 problems

    does it have tha 16 or 40 amp stuff on it? a back fire usually involves timin' in some form or another.. erratic tach usually involves either rectifier and or regulator.. if its a 40 amp motor both will be in one unit... tha big water cooled thingy under tha coils.....
  20. Dukedog

    Part Identification for Mercury Outboard

    doesn't show on "MercNet" either???.......... that's supposed ta be tha "holy grail" for parts...
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