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  1. W

    synthetic oil in my 1986 70 H.P. Yamaha

    I use pennzoil 100 percent synthetic oil for 2 stroke outboards Is this a good thing? I did a topic search on the forum and found a discussion about 4 stroke engines using synthetics...Thanks Wes Whitzel
  2. W

    YAMAHA power problem

    I have a 1986 yamaha 70 hp I was cruising along as normal and the motor suddenly reduced speed to half throttle I did not hear an alarm I checked the gas and gas line then shut down the motor and checked everything out everything seemed normal I started back up and it ran fine for about 10...
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