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    BF200 black gearcase oil question

    Changed the oil in both gearcases today on my BF200´s. Starboard oil was brand new and clear, I was really surprised, port oil was black, black, black. No abnormal findings on either chip detector. Have been searching the internet and the consensus is not to worry about black gearcase oil. Last...
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    Exhaust Manifold O2 Sensor Thread Repair BF200

    With so many O2 Sensor replacements and bad practice, I ended up damaging the Thread on my Starboard BF200AK2. This has the new Sensor (small thread) and the manifold is aluminium so don´t do like I did, and respect the torque because I broke it very easily. Internal anodes are not too bad...
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    200/400 hr service on BF200

    Done a 200/400 hr service on my twin BF200´s. Engines only have 240 hours on them but they were manufactured in 2011 but were not used until the boat was launched in 2013. Bought it in 2018 with only 35 hours on them. Thinking more about the calendar than the hours, so went ahead and did it...
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    BF200 Tilt Motor problem

    Hi everyone, Tilt has gone bust on my port engine. Does not work either from throttle of engine mounted switch. I can hear the relay click, checked the fuse ok. Of course it could be the relay or wiring but I´m guessing that it is the tilt motor. By manually opening the relief valve and...
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    Starboard BF200 running colder with high fuel consumption.

    Hello guys. My starboard BF200 is consuming about 4 litres an hour more than the port engine. The starboard engine is also running colder, about 10-15°C. Both engines have the same WOT. I changed the starboard engine thermostats (both) with new ones but condition remains the same. No faults on...
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    O2 Sensors on both engines at the same time

    Well, ran the engines 2 weeks ago and now got an alarm on both engines after starting. Hooked up Dr. H and fault is O2 Sensor on both engines!!! Boat has not navigated since last engine run two weeks ago, also without leaving harbor. We have had very very heavy rains here. Both engines are...
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    Starboard BF200 High Fuel Consumption

    Hi Guys, took the boat out this weekend and starboard BF200AK2 is consuming about 6 litres/hour more than the port engine. Last time I took the boat out last week both engines had a perfect match. Temperatures are the same. Ran the Dr. H and no faults, no fault codes. Engines have about 130 hrs...
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    BF200 problem, not from thermostat housing orings but from timing belt base orings

    Hi guys, operating a couple of 2011 BF200´s serials 170 range. Only 100 hours on them. Read about the famous Thermostat Housing Orings and although no salt signs, replaced the P/N 91356-SD4-952 orings. Now what I did find were salt deposits below the starboard Thermostats on BOTH engines but the...
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    BF200 Thrust washer questions

    Hi, hope someone can help me out. Bought a used boat with twin BF200´s manufactured in 2011 with serials in the 170 range. So far engines have hardly been used and only have 100 hours on them but I came across thehulltruth post advising on premature crankshaft thrust washer fails with serials...
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