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blockage

  1. draining the engine coolant - blocked!

    Gear & Maintenance
    Hi all! My beta marine (Model - BD722 - 20hp) comes with a water drain tap coolant | Flickr - Photo Sharing! however removing the drain tap does not give any results. I also tried with the water lid/pressure cap off in case it made a difference but no! I have tried inserting some flexible wire...
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