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    Twin sws 250 87' hard start after warmed up?

    1)Issue, everything on the engines are up to date, and they are well cared for, clean: 02(new)in specs, plugs, plug caps, vst filter, low pres. pumps etc. The engines run great and are used a lot but I treat them well. However at times when hunting down fish and have to stop and restart they do...
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    To shock de-carbon or just keep running ring free, or both?

    Another one of those things I hear different opinions. I run twin 250 sws 98' I know there is a lot of carbon in both engines, it see it on top the pistons when changing the plugs, I also have to clean the 02 all the time, a lot of smoke on start up etc. I have read about methods of "shock...
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    RPMs bouce back and forth from 3300 to 2500 on my SWS 250

    This boat has twin 250 Salt Water ox66 98'. The port engine will join other engine when at mid range say 3300 rpms but then after a few seconds the port engine will drop to 2500 rpms, boat speed will drop and then after 5 secs it will go back up to 3300 rpms and boat will speed up. This cycle...
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