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View Full Version : YAMAHA 99 RUNS BAD



mtcooler
07-13-2009, 04:30 PM
I HAVE A 1994 YAMAHA 9.9 THAT JUST STARTED TO RUN BAD. IT WILL START RUN GOOD THEN START TO SURGE AND IF I TRY TO RUN SLOW FOR TROLLING IT WILL DIE? I CLEANED THE CARB. SAME THING? IF I PUT IT IN TEST TANK WITH THE COVER OFF I CAN GET IT TO RUN GOOD PUT THE COVER ON AND IT REVS TAKE IT OFF RUNS GOOD?????????