WILLY had the right idea as to what I was getting at, except I would pull one plug wire off with it NOT running and then run it. This way you can pull the wires without turning into SPARKY. Only pull one wire at a time, but if you pull a wire off and you notice no change in the engines performance then you found the weak cylinder.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR
2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD 
AND THE PINK JEEP!!!! R.I.P.
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