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  1. #1

    Default 1990 130ETXD gasoline octane question.

    I have this old but great 130HP Yamaha 2 strokes. We are on vacation and the local marina only offers Regular gas with 10% Ethanol or Ethanol free high octane gasoline.

    At home, I have only used Ethanol free 87 octane with this motor. Any restriction on using High octane ?

    Thank you

  2. #2

    Default Re: 1990 130ETXD gasoline octane question.

    No. Just a waste of money is all. You will not get a performance boost from using a higher octane fuel, though it also will not hurt your engine. Same goes for only using a few tank fills of 10% ethanol.

    Everything you ever wanted to know about fuel can be read by following the link below. In regards to octane, read 6.13.

    http://www.turborick.com/gsxr1127/gasoline.html

  3. #3

    Default Re: 1990 130ETXD gasoline octane question.

    you can use a higher rating octane as it will not effect your engine performance however it will build up carbon in your combustion camber and other componets faster than lower rated octane but one use will not hurt
    now with that being said if you have an engine that is rated for 93 octane and you use 85 you will have alot of problems as it can cause pre ignition.

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