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I have a 2001 135 pretty low hours on motor. When trying to advance throttles between 1000 and 2000 rpm motor misses badly. If I can coax it past 2000 rpms motor runs fine between 2000 and WOT. We have changed coils,plugs,power pack,removed cleaned and replaced carbs. Also drained fuel and vro tanks thinking could be water. Compressions on cylinders range from 120-130. We thought that top left cylinder(looking from back of motor) was not firing but replacing power pack seemed to help. All cylinders getting spark which would indicate to me we might have a fuel problem. Any ideas or help would be greatly appreciated. Cant figure this out!!!!