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  1. Dukedog

    1980's serial number / harness / general questions

    one thing for sure tha motor in tha picture is NOT a 200 with vertical reeds but even MercNet says tha number is a 200??? its either a 150 or 175... if tha year is right ('82) its a 150.. no 175's in '82.... tha over temp sensor should be mounted between 1 and 3 spark plugs by a triangle shaped...
  2. Dukedog

    1980's serial number / harness / general questions

    serial number says 200 but picture says either 150 or 175 at most.. has vertical reed front half..
  3. Dukedog

    1980's serial number / harness / general questions

    gray= tach sender wire purple= switched 12v power black/yellow= kill circuit yellow/red= starter circuit brown/blue= temp gauge yellow/black= choke/enrichner circuit these colors stand for all merc wiring i know from at least 1980 up.. they have never changed as for as i know.......... its a...
  4. Dukedog

    Mercury TT

    only if you change tha "complete" TnT assembly.. yours has different pump and motor and uses (two wire motor) relays.. tha '86 uses (three wire motor) solenoids... think CDI makes an adapter kit to use tha relays with a three wire solenoid system....
  5. Dukedog

    2001 150 XR6 missing on even cylinders only

    might wanna take a look at tha icm..... it controls pretty much everything. this pretty much indicates trigger and/or icm module...... "I swapped all the CDM's with no change."
  6. Dukedog

    Bleed Hose and Air Box check valve hose connections

    yeah, understand.. ya might wanna get tha regular oiler delete kit (check Pro Marine site) to install.. its not expensive and gives ya a cleaner look.. never did understand why on some mercs had tha bleed bibs on all 6 cylinders and some only 5???
  7. Dukedog

    Bleed Hose and Air Box check valve hose connections

    just plug tha one that supposed ta go to and/or from tha air box.. some had tha bib and some don't.. don't know why but it is Merc soooooooooooooo.. do not interrupt tha one goin' from top ta bottom of block.. thats oil supply mixture to tha top bearing...
  8. Dukedog

    Creaking/popping power trim

    check tha little "roller" type balls at tha end of tha trim rods and tha pads on tha sadle they ride on.......
  9. Dukedog

    Mercury Black Max XR-4 150

    Mercury Switch Assy.....
  10. Dukedog

    1985 Mercury Black Max oil alarm >3k RPM

    my experience with tha module is very limited.. i can't remember any motor i've had that we retained a functioning oiler.. not because of failure of tha oiler it was because we usually had "0" knowledge of tha motors "TRUE" past.. ie: hours, how it was maintained, ever been over heated etc...
  11. Dukedog

    1985 Mercury Black Max oil alarm >3k RPM

    your motor has a 16 amp system with separate reg and rectifier.. tha 40 amp stuff started in '89 with a single water cooled reg/rect... that changed to tha two 20 amp reg/rect in '92... tha oiler information pretty much remains tha same thru all tha years up until '02..... tha oiler module...
  12. Dukedog

    No start good solenoid

    probably... all tha big motors (only ones i've dealt with) do...
  13. Dukedog

    Mercury Oil Injection

    best ta delete tha oiler.. if ya gonna try ta keep it mix your fuel at 100 ta 1 while ya try ta figure out whats causin' tha alarm........ jmo
  14. Dukedog

    Mariner 150hp 2.5L Overheating – Need Advice

    sounds like something goin' on with tha pump or tha poppet is stuck wide open............ thats tha way a factory high performance hot rod runs!
  15. Dukedog

    1980'ish black max 150 losing all power after running for 30 minutes

    go to tha auto store.. buy tha cheapest electric fuel pump (3 ta 7 lb output) for a carbed car motor.. connect it as close to tha tank as possible.. it can jus be hangin' free for now.. supply side of pump go straight (no bulb) to tha carb bib that feeds them all.. plug off all lines goin to and...
  16. Dukedog

    Mariner 150hp 2.5L Overheating – Need Advice

    'bout 4 (3 @ very min.) ta 7/8 at idle.. 14 to 'bout 21 max at speed.. preferably 14/18.. gauge will show actual pressure (pump condition), any type blockage and how tha poppet is working.. theses are my opinion only and worked for many years.. you may have one of those "ya gotta be here" ta do...
  17. Dukedog

    Old Mercury 175 V6 carb issues

    https://www.youtube.com/results?search_query=rebuilding+a+WH+series+mercury+carburetor all wh series are basically tha same as for tha way they are rebuilt.. if yours are still factory '76 models you need ta find a set of later wh series.. tha old ones still have tha "round floats" that are...
  18. Dukedog

    Mariner 150hp 2.5L Overheating – Need Advice

    first its a 2.4.. first 2.5 was letter "d" in '91... did you jus change tha impeller?.. needs ta be a complete water pump kit.. you need a water pressure gauge ta be able to diagnose easier.. it will pretty much tell all. no photos showin' on my computer?.. look for any small cracks on both...
  19. Dukedog

    1980'ish black max 150 losing all power after running for 30 minutes

    (y)
  20. Dukedog

    Water flow question

    good ta know what motor ya have???
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