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  1. M

    Duoprop drive problem?

    Pulled my 2000 Chris Craft sport deck out of storage today. VP 7.4 GI fired right up after a new battery. Pulled props and pulled plug to change gear oil. Yikes-- gear oil is black as tar. No metal on the plugs (top or bottom). Have very few hours on this oil (20 max). Have not noticed anything...
  2. M

    Volvo dp-s lube condition?

    Getting the boat ready for the season, have always had service done at local marine mechanic, he only had time to drain block last fall so I am doing the rest of the maintenance myself this spring. Draining the lube out of the drive and it is REALLY black. I am concerned as the boat only got...
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