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  • AMSOIL Celebrates 50-Year Partnership with Independent Dealers
  • Pro Tips for a Successful Fishing Season
  • 7 Expert Ice Fishing Tips with Pro Angler Pete Maina Play Video
  • See Why Pro Angler Pete Maina is Addicted to the Outdoors Play Video
  • What Does Oil Viscosity Mean

    Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

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