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  1. Oil on Spark plugs

    Sea-Doo Jetski
    I just purchased a 2007 GTX 155 with 118 hours on it. I test drove the Ski and have put roughly an one hour of time on it and it ran fine. I decided to replace the spark plugs since i had no idea if they had ever been replaced before and when I removed the plugs they had fresh oil on them. The...
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