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I can run at 3000 - 3500 RPM's all day but when I speed up to about 4000 RPM's a warning alarm goes off and have to slow down for it to stop, any advice about this promblem
Mercury 2001 125 elpto, Motor sounds like it's missing and shakes ,I replaced the spark plugs, fuel-water seperator, greased prop shaft, changed lower gear oil and still no change. What else can I look for before taking it to the shop
