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  1. M

    Yamaha outboard oil recommendation obsolete?

    Got a brand new Yamaha outboard The recommended oil is synthetic 10W-40 API SJ, SL I have trouble finding a Mobil oil (Mobil is what I use for my cars, the bigger boat with inboard diesel engine etc.) fitting this spesification without API service class SM and SN as well. I understand that...
  2. M

    Temp loss through oil pan using IR thermometer

    I have a Yanmar 6LY 440 hp marine diesel engine. It is a 6 cylinder in line common rail with a displacement of 5.2 ltr. Max rpm is 3300. It is filled with 19 ltrs of Mobil Delvac MX 15w-40. I noticed that after longer periods of cruising at 70-75% load with a corresponding rpm of abt 2800 that...
  3. M

    2-Stroke oil in diesel for winter preservation?

    I have a 2003 Windy Scirocco 32 with a twin Volvo Penta KAD300 installation. The fuel tank on the boat is of aluminium and 520 liters. I put the boat on shore from end of September to app. end of April and I leave it with a full tank to minimize condensation. I was first thinking of adding a...
  4. M

    Fully synthetic or mineral for Volvo Penta KAD 300

    I have just bought a boat with 2 x Volvo Penta KAD 300 3,7 ltr overcharged 6 cylinder diesel engines. The nominal power output is 285 hp an engine and is relatively high for an diesel engine designed in the early 2000s. It is a MY 2003 boat/engines, but with only 600 hrs on the counter. The...
  5. M

    MY 2014 Audi 3.0 TDI UOA, high soot set aside

    My 2014 Audi 3.0 TDI with 180Kw CDUD engine indicates that the engine oil gets a high soot content. Using VCDS you may find the value "Soot Index". This "Soot Index" is calculated by the ECU and is presented in Km. Shortly spoken this value is twice as high as the actual driven distance. When I...
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