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  1. M

    mid range, wot missfire, poor idling

    i have an '89 evinrude xp150 that shuts off during direction change. it has done this since day one (thought it was nature of the beast) have had carbs cleaned/gone thru, use omc tuner periodically and tried the seafoam product - no help<br />also it has developed a "miss" at mid range and wot...
  2. M

    evinrude xp 150 '89

    i have an '89 evinrude xp150 on a 17' nitro bass boat. the engine has never idled well from day one often shutting off when going from reverse to forward or the other way. i've learned to accept that but still curious as to why. also it has developed a mid range "miss" (about 3000 to 3100 rpms)...
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