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94 PRO50

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  • 94 PRO50

    DOES ANYONE HAVE INFO ON TIMING SETTINGS AND HOW TO ADJUST THE BLACK BOX ON A 94 PRO 50...WHEN MOTOR STARTS RUNS FINE UNTIL YOU PUT IT TO HER THEN ACTS LIKE LOADING UP....NOT CARBS, REBUILT AND REPLACED THEM ALONG WITH FUEL LINES AND TANK SOUNDS LIKE POPPING CORN NOISE FROM UNDER COWELL...SET OFF AT CUT BANK AND ADJUSTED LINKAGE ON BLACK BOX 3 FULL ROTATION AND RUNS ALMOST LIKE OLD BUT AM CONCERNED ABOUT NOT HAVING IT SET-UP RITE AND DONTT WANT TO CAUSE ANY MOTOR DAMAGE....ALSO HAVE CARBS AIR MIX. SET ABOUT 1-3/4TO 1-7/8 OUT BUT DONT KNOW HOW TO SET OR SYNCRONIZE THEM..ALL CARB PLATES SEEM TO OPEN AND CLOSE AT SAME TIME......ANY INFO WOULD BE GREAT....THANKS.....MIKE....

  • #2
    Timing at full advance is 25 degress, at idle -5 degress. carb pilot screw intital setting is 1 3/4 turns.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      Thanks for info...now waiting for my factory service manual coming in mail this week....I figure I cant go wrong with factory manual and will have all the info needed ....again many thanks...Mike........

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