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  1. M

    Oil coming from 4 stroke Yamaha 15hp exhaust........help please

    Hi, I have owned a 2003 F15A Yamaha 4 stroke stroke engine for the last year. I've not had any issues with it.....until today. I have just serviced the engine, changing the engine oil, gear oil, spark plugs, oil filter and fuel filter. I was out in my boat today and it appeared to run...
  2. M

    Which grease it best for my new prop

    I am going to be fitting a new prop shortly to my 15hp Yamaha engine. Can you recommend a grease for the shaft? Is there any I should avoid Thanks Craig
  3. M

    Knocking sound at full throttle

    Sorry for the duplication, but given the new last paragraph, I thought this topic may be more suitable under this topic. Hi there, I have just bought a boat and tried it out for the first time today. It is a Pioner Maxi with a 15HP 4 stroke Yamaha outboard. It is about 7 years old. There...
  4. M

    Knocking noise at full speed

    Hi there, I have just bought a boat and tried it out for the first time today. It is a Pioner Maxi with a 15HP 4 stroke Yamaha outboard. It is about 7 years old. There were four of us in it to start with and it seemed to work perfectly from slow to full power. I then went out in it myself...
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