Motor is a 2007 Yamaha F250TUR: This past season occasionally one of my motor started having a strange symptom. Occasionally my port motor when shifted into while reverse would idle very rough and shake/surge. When throttle was applied while it was running rough it wouldn't respond as normal, it would run a little more smooth with a limited higher rpm but still run rough. once I shifted back into neutral the motor would runs perfect as well it runs perfect in forward, This was not a consistent problem which has me scratching my head. Has anyone experienced this type of issue on these motors?
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