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Port motor started smoking pretty good this weekend. Had slight black smoke a couple weeks ago. The boat seems over prop (2600 rpms wot at sea trail with slightly fouled running gear) to begin with. She had to work to get on a plane yesterday too. She got up to 2400 rpms and Cruised at 2200 rpms. 3000 rpms no load in slip. I did not run her without an air filter, but will try that next. The after-coolers have been serviced. Any additional next steps for a beginner B4 calling a professional? The motor was rebuild in 2013 with a new turbo and after-cooler, but it was not run much the last 2 years. The starboard motor seems much more responsive. 3300 no load in slip. Have a video, but to big to post. Thanks
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