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  1. Dukedog

    1992 XR6 150

    tha two large nuts on tha tube on either side of tha bracket need ta be jammed as tight as you can get them up against tha bracket and each other.. with that done tha large nut on tha cable should come loose........................ if that doesn't work then tha pipe wrench (not recommended) will...
  2. Dukedog

    OK for the spark plug gap to be slightly off from recommended?

    (y)
  3. Dukedog

    OK for the spark plug gap to be slightly off from recommended?

    try these.. its what merc calls for... ngk buhw-2 are no more. 33-97182Q - NGK BUHW - 2 superseded to SPARK PLUGS (CHAMPION SPARK PLUGS) - L78V Sold individually.
  4. Dukedog

    1985 black max xr2 150hp, no start up alarm? Also, oil injector not set up right.

    you might wanna mix your fuel at least 100 ta 1 till you get tha oiler deal figured out... could be jus tha oiler module thats not working?.. motor that old and not knowing anything 'bout it ya might wanna do away with tha oiler and do tha pre-mix thing....... jmo. and GL with it.
  5. Dukedog

    1985 black max xr2 150hp, no start up alarm? Also, oil injector not set up right.

    if its on tha port head is for a temp GAUGE... nothing ta do with over heat alarm.... over temp sensor is in tha starboard head, or supposed ta be................ ????????....... what does this mean?.. do you get tha three test beeps when key is turned on?.. not being wide open throttle when...
  6. Dukedog

    1985 merc 150 black max xr 2, peeing water?

    changin' those items were always done on anything we had that none of us were familiar with (unknown PO or history of motor) ... jmo.
  7. Dukedog

    1985 merc 150 black max xr 2, peeing water?

    whats pressure at idle and at wfo?.... when its in tha water under a load (in gear)... a new water pump kit, stats, poppet can never hurt anything when dealing with a motor you are unfamiliar with!...... jmo.
  8. Dukedog

    1985 merc 150 black max xr 2, peeing water?

    JFI... tha dia is with everything in "open" mode.. stats and poppet... tha poppet is closed when motor is at idle and/or below about 1800 rpm (not a set in stone number) and below so nothing comin' from there.....
  9. Dukedog

    1985 merc 150 black max xr 2, peeing water?

    now i see why he says what he says!... it does with a merc V6.... discharge tale tale is AFTER tha stats.. also not all stats have a vent or small bi pass hole either... you need ta brush up on that coolin' system.... but it is what it is and i 'm not gonna argue 'bout it...................
  10. Dukedog

    1985 merc 150 black max xr 2, peeing water?

    'ole jimmbo is partially right... with most but tha XR2 is a very thick, steel sleeve motor that usually takes a bit more time ta warm (lake/water temp also comes inta play) to stat openings ta start tha discharge process... thats why i recommended a gauge.... with most it can seem like an...
  11. Dukedog

    1985 merc 150 black max xr 2, peeing water?

    sounds normal ta me....... get a water pressure gauge ta keep an eye on.
  12. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    hot rod thing!.. 80+ mph... its tha fastest production gear case merc made... sumin' you don't need....................
  13. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    Chris is correct... jus don't "baby" it when ya put it in gear.. will help with its longevity... when coned and tabbed its tha choice of racers by far......... glad ya happy with it........ should last ya a very long time.
  14. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    if tha "tube" is not removed then tha holes won't mater (noise!).. all ('bout 98%) exhaust would exit thru tha hub....
  15. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    yeah.. in some circles tha down housing is refered to as tha can and tube as tha liner.....
  16. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    louder means faster... jus ask any fisherman ('specially ina bass boat)...................... :devilish: wouldn't call it butchery if its done in production.. but thats jus me.
  17. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    there is one downside to tha exhaust being that way besides tha noise and thats that your down housin' will discolor a bit more than normal from tha heat.. some say it will also effect tha water pump?.. never had that problem with any that were at least 20" motors.........
  18. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    those are drilled holes in tha flat part of tha can (3/8" or 1/2", don't remember which one, five on each side) right above tha cav plate.. tha can liner is also pulled.... not back yard butchery.. drilled and/or cut anywhere else is butchery.. all hi performance "bass" cans are drilled there...
  19. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    idle sound tells tha tale!.. sounds really good.. someone knew what they were doin' with tha removing tha can and where they drilled tha exhaust.. will go well on your tinny thinga ma jig......😎
  20. Dukedog

    How to choose an old 2-stroke 150/175 Merc

    gotta disagree ta some extent.. if we didn't turn our motors (stock high production most rated at 8200 max) at 10 grand plus we might as well put it on tha trailer..... but thats "hot roddin".......:devilish:
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