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ring free, shock treatment for 175 1989.

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  • ring free, shock treatment for 175 1989.

    never done a shock treatment before, new to me 89 175 yamy, running great, used stabil on fuel and seafoam on full tank. but never done a shock treatment. any suggestions?

  • #2
    You could run 1 tankful of fuel with the Yamaha Ringfee "deposit removal" dosage of 1 ounce per gallon of gas, then go to the "deposit preventive" dosage of 1 ounce per 10 gallons of gas, all the time.

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