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    2000 EFI 200HP Mercury Optimax - Modulating RPM

    When I am running at a constant RPM it will suddenly drop in RPM for several seconds then speed back up. Example i can be running smoothly at 4100RPM and then it will drop and run at 3200RPM. After a short time it will speed back up to 4100. It seems to mostly go away once it has fully warmed up...
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