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  1. S

    Which oil to use?

    With the price of fuel and oil getting higher what is the least expensive but still specs out OK to use in a 225 yamaha EFI. I have heard yamalube is the oil for HPDI's and I don't know what is different about it. I have used yamalube but lately I have been using quicksilver premium in my...
  2. S

    99 yamaha 225 fouling plugs

    My 99 225 EFI started running terrible the other day and I changed the plugs and I found water in the fuel filter which I cleaned out. The next trip the new NGK plugs I had put in fouled also, but no water in filter this time. I am losing power, about 25-50% at different times and occasionally...
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