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Old 08-06-2005, 12:19   #1
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Morski Krastavac's Avatar

Join Date: Feb 2005
Location: near Philadelphia
Boat: Bavaria 40, 12, 48 meters
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Question Volve Penta

My Bavaria 40 has a 50 hp Volvo MD L 22; started to smoke heavy as of about 2,200 rpm, increasing with increasing rpm, no smoke under 2,200, no recognizeable power-loss. Opinions on the color of the smoke varied among those aboard, mostly white but may have had some blue shades in it. Filters were fine.

The boat is in Croatia and Montenegro, could it be something simple like poor quality Diesel? Thanks for thoughts on cause and suggestions for remedy.
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Old 08-06-2005, 16:52   #2
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If this just started recently, I'd ask if you fueld recently.
If so...keep an eye on your water seperator.

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Old 08-06-2005, 19:39   #3
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This could be several problems. Water no. The slightest drop of water will stop the engine. Water will damage injector tips and will cause black smoke. OK, so it is not black smoke, we can rule out that direction. The type of problem you describe comes from some form of lack of compression. This could be worn out engine. Sticky Valve (very common) Stuck piston rings. Glazed bore. Is it using excessive oil?
Unfortunatly none of these scenarios are easy fixes. There are some (banana skin) remidies, but they are very hit and miss and it depends on how mission critical the engine is and how reliable you want the fix.
To be totally sure, you are going to need to lift the head and check everything. If it has done a lot of hrs, you are probably looking at a rebuild.

For God so loved the world..........He didn't send a committee.
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